Analysis

  • max time kernel
    127s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 21:47

General

  • Target

    5555555555.jpg.dll

  • Size

    223KB

  • MD5

    f63b0c1d293043701fc708c759d4895a

  • SHA1

    712830d521d4c3c46433e8ea6668512d3c9ad63f

  • SHA256

    ce27a7341c90aa0a0588aeca6a995c8e1966c294cac88da2078bdaebbdc1151d

  • SHA512

    312c23f9bd9c6e9657ad4095767b7188c5e6582c0a2b352184ebb6cd2866a8e7b91f5977077bfa52caff2caf8b413712ab4611182e55d8d16abedd2c77aa1f7d

Malware Config

Extracted

Family

qakbot

Botnet

abc112

Campaign

1607942962

C2

66.26.160.37:443

84.78.128.76:2222

45.250.69.150:443

108.31.15.10:995

50.244.112.10:995

47.146.34.236:443

24.95.61.62:443

31.5.21.66:995

59.99.37.134:443

79.115.134.161:443

39.57.127.126:995

120.151.95.167:443

47.44.217.98:443

32.212.117.188:443

37.21.231.245:995

184.97.145.239:443

86.121.3.80:443

83.110.97.149:443

83.194.193.247:2222

78.101.158.1:61201

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 2 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\5555555555.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nymmghdl /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll\"" /SC ONCE /Z /ST 21:45 /ET 21:57
          4⤵
          • Creates scheduled task(s)
          PID:1588
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F8305F25-EF87-4C8F-AB1F-47EA250FEF4D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll"
        3⤵
        • Loads dropped DLL
        PID:588

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll
    MD5

    37638544ad2872186e7be440c1ce2db8

    SHA1

    c4947e95605c9f270cc40fbfd43f68f058a9e15b

    SHA256

    5663904ac0902cf42a9f562733ef43e83d8faed39443634412bf6083304f819e

    SHA512

    0edf782169262031cf2325962a66e95bbf89a1085ec49ba4a6e44b93370982e226b79c31e8d2cd61495cbfa6af716634e4bc210549637f75d57f8b9c247459a8

  • \Users\Admin\AppData\Local\Temp\5555555555.jpg.dll
    MD5

    37638544ad2872186e7be440c1ce2db8

    SHA1

    c4947e95605c9f270cc40fbfd43f68f058a9e15b

    SHA256

    5663904ac0902cf42a9f562733ef43e83d8faed39443634412bf6083304f819e

    SHA512

    0edf782169262031cf2325962a66e95bbf89a1085ec49ba4a6e44b93370982e226b79c31e8d2cd61495cbfa6af716634e4bc210549637f75d57f8b9c247459a8

  • memory/588-10-0x0000000000000000-mapping.dmp
  • memory/1200-3-0x0000000000130000-0x0000000000132000-memory.dmp
    Filesize

    8KB

  • memory/1200-5-0x0000000000000000-mapping.dmp
  • memory/1200-7-0x0000000000100000-0x0000000000121000-memory.dmp
    Filesize

    132KB

  • memory/1588-6-0x0000000000000000-mapping.dmp
  • memory/1628-8-0x0000000000000000-mapping.dmp
  • memory/1952-2-0x0000000000000000-mapping.dmp
  • memory/1952-4-0x00000000007A0000-0x00000000007C1000-memory.dmp
    Filesize

    132KB