Analysis

  • max time kernel
    129s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 13:33

General

  • Target

    7618c96cd8808205cd008be91e90ccc0.dll

  • Size

    480KB

  • MD5

    7618c96cd8808205cd008be91e90ccc0

  • SHA1

    39cddd992916f2536ab5a433fa8b1435258f609f

  • SHA256

    655ce3209ab8b61a4a560aef2edd2969d3e807c662b926be73c6cef58b8245c9

  • SHA512

    f6bad33841fe47aaef0343e31afea73b865b33456abfa35587f00aaed6a3e464893590333ca8c3056c20e161ad7c984b43887f9360b720557536916005e75120

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dkbhnrzm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll\"" /SC ONCE /Z /ST 13:38 /ET 13:50
          4⤵
          • Creates scheduled task(s)
          PID:888
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DFF2F14F-C589-436D-8C9F-D96D3D7151F2} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll"
        3⤵
        • Loads dropped DLL
        PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll

    MD5

    4d7131e8031741a64302d59fbead593c

    SHA1

    cd08f6c707315e23200c12aa5123e37cede01c6d

    SHA256

    0b793e314a9026d473fb59d4651d109dc1886b1e955a7df041f16be983908bfc

    SHA512

    9c805bc9279b125e6d558e9bfd35d15a596e707ce19cfb60b7f33f5a7b3fdf5d7f9d3343897ca98e33c94b5937df629da4f3c789a91f134f844f41e9ed5e1bc3

  • \Users\Admin\AppData\Local\Temp\7618c96cd8808205cd008be91e90ccc0.dll

    MD5

    4d7131e8031741a64302d59fbead593c

    SHA1

    cd08f6c707315e23200c12aa5123e37cede01c6d

    SHA256

    0b793e314a9026d473fb59d4651d109dc1886b1e955a7df041f16be983908bfc

    SHA512

    9c805bc9279b125e6d558e9bfd35d15a596e707ce19cfb60b7f33f5a7b3fdf5d7f9d3343897ca98e33c94b5937df629da4f3c789a91f134f844f41e9ed5e1bc3

  • memory/340-69-0x0000000000000000-mapping.dmp

  • memory/340-70-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

    Filesize

    8KB

  • memory/888-67-0x0000000000000000-mapping.dmp

  • memory/1060-60-0x0000000000000000-mapping.dmp

  • memory/1060-63-0x0000000010000000-0x0000000010078000-memory.dmp

    Filesize

    480KB

  • memory/1060-62-0x00000000001E0000-0x0000000000252000-memory.dmp

    Filesize

    456KB

  • memory/1060-61-0x00000000752F1000-0x00000000752F3000-memory.dmp

    Filesize

    8KB

  • memory/1184-72-0x0000000000000000-mapping.dmp

  • memory/1680-66-0x0000000074BD1000-0x0000000074BD3000-memory.dmp

    Filesize

    8KB

  • memory/1680-68-0x0000000000080000-0x00000000000B9000-memory.dmp

    Filesize

    228KB

  • memory/1680-64-0x0000000000000000-mapping.dmp