Analysis

  • max time kernel
    136s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-11-2020 17:53

General

  • Target

    711f31ab27f8b6aeb0531543e8310a0d.dll

  • Size

    255KB

  • MD5

    711f31ab27f8b6aeb0531543e8310a0d

  • SHA1

    71ab68867f3a3945158f3183a312aac4bd89bfe2

  • SHA256

    ac6e0692344b93b9f4e147ddac09b597ca51e268d4002174ccaa6982f57eb46e

  • SHA512

    fb9128b16d2cb28101d947f5dc0889ac35bf387c9190137091d3bc8e4b1b8a60751f7a3e5aa0810a72d8a960cb4e442d02af2279d29bae338bdd3dfc00c2fda8

Malware Config

Extracted

Family

qakbot

Botnet

abc101

Campaign

1606294013

C2

98.115.243.237:443

78.101.21.73:443

185.163.221.77:2222

2.51.246.190:995

2.50.2.11:995

175.137.79.81:443

42.201.228.106:995

185.246.9.69:995

81.133.234.36:2222

24.205.42.241:443

73.239.229.107:995

102.185.58.126:443

173.245.152.231:443

105.101.216.210:443

89.137.195.167:995

174.76.21.134:443

41.238.217.126:6881

47.138.204.19:443

79.166.83.103:2222

92.154.83.96:1194

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 17 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll,#1
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:816
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn njuehecds /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll\"" /SC ONCE /Z /ST 20:50 /ET 21:02
          4⤵
          • Creates scheduled task(s)
          PID:348
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll"
      2⤵
      • Loads dropped DLL
      PID:736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll

    MD5

    b3302b2ea0e1ef75e18de7b7da9ccce7

    SHA1

    b779f5127ad4477308fea51e1a07d25e83c097e8

    SHA256

    10dd6f176ef6a201fa784dc27094fd75f474c23b2fc582cb3980aca933163514

    SHA512

    326c0ae735efebdb7d71d8ce5b4df13402135a2ca5cc59342515a64de5d65cf50c60c7f3d3edca12a3736f035930e6b18dc99fd412ab55ee843a71290e6710f6

  • \Users\Admin\AppData\Local\Temp\711f31ab27f8b6aeb0531543e8310a0d.dll

    MD5

    b3302b2ea0e1ef75e18de7b7da9ccce7

    SHA1

    b779f5127ad4477308fea51e1a07d25e83c097e8

    SHA256

    10dd6f176ef6a201fa784dc27094fd75f474c23b2fc582cb3980aca933163514

    SHA512

    326c0ae735efebdb7d71d8ce5b4df13402135a2ca5cc59342515a64de5d65cf50c60c7f3d3edca12a3736f035930e6b18dc99fd412ab55ee843a71290e6710f6

  • memory/348-3-0x0000000000000000-mapping.dmp

  • memory/736-6-0x0000000000000000-mapping.dmp

  • memory/736-9-0x0000000000000000-mapping.dmp

  • memory/816-2-0x0000000000000000-mapping.dmp

  • memory/816-4-0x0000000002FC0000-0x0000000002FE0000-memory.dmp

    Filesize

    128KB

  • memory/1204-0-0x0000000000000000-mapping.dmp

  • memory/1204-1-0x0000000000750000-0x0000000000770000-memory.dmp

    Filesize

    128KB

  • memory/3564-8-0x0000000003810000-0x0000000003811000-memory.dmp

    Filesize

    4KB

  • memory/3564-10-0x0000000003F40000-0x0000000003F41000-memory.dmp

    Filesize

    4KB