MAL_QakBot_ConfigExtraction_Feb23

Description

QakBot Config Extraction

Query · yara

strings:
        $params = {8B 7D ?? 8B F1 57 89 55 ?? E8 [4] 8D 9E [2] 00 00 89 03 59 85 C0 75 08 6A FC 58 E9}
        $c2list1 = {59 59 8D 4D D8 89 45 E0 E8 [4] 8B 45 E0 85 C0 74 ?? 8B 90 [2] 00 00 51 8B 88 [2] 00 00 6A 00 E8}
        $c2list2 = {59 59 8B F8 8D 4D ?? 89 7D ?? E8 [4] 85 FF 74 52 8B 97 [2] 00 00 51 8B 8F [2] 00 00 53 E8}
        $conf = {5F 5E 5B C9 C3 51 6A 00 E8 [4] 59 59 85 C0 75 01 C3}
    condition:
        uint16(0) == 0x5A4D and any of them
Raw source MAL_QakBot_ConfigExtraction_Feb23 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule MAL_QakBot_ConfigExtraction_Feb23
{
    meta:
        author = "kevoreilly"
        description = "QakBot Config Extraction"
        cape_options = "bp0=$params+23,action0=setdump:eax::ecx,bp1=$c2list1+40,bp1=$c2list2+38,action1=dump,bp2=$conf+13,action2=dump,count=1,typestring=QakBot Config"
        packed = "f084d87078a1e4b0ee208539c53e4853a52b5698e98f0578d7c12948e3831a68"
        reference = "https://github.com/kevoreilly/CAPEv2/blob/master/analyzer/windows/data/yara/QakBot.yar"
        date = "2023-02-17"
        license = "https://github.com/kevoreilly/CAPEv2/blob/master/LICENSE"
        id = "401184cf-bbd7-5afe-9589-470f54721af1"
    strings:
        $params = {8B 7D ?? 8B F1 57 89 55 ?? E8 [4] 8D 9E [2] 00 00 89 03 59 85 C0 75 08 6A FC 58 E9}
        $c2list1 = {59 59 8D 4D D8 89 45 E0 E8 [4] 8B 45 E0 85 C0 74 ?? 8B 90 [2] 00 00 51 8B 88 [2] 00 00 6A 00 E8}
        $c2list2 = {59 59 8B F8 8D 4D ?? 89 7D ?? E8 [4] 85 FF 74 52 8B 97 [2] 00 00 51 8B 8F [2] 00 00 53 E8}
        $conf = {5F 5E 5B C9 C3 51 6A 00 E8 [4] 59 59 85 C0 75 01 C3}
    condition:
        uint16(0) == 0x5A4D and any of them
}

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