Analysis

  • max time kernel
    131s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    28-04-2021 23:38

General

  • Target

    file.dll

  • Size

    402KB

  • MD5

    12f8f3f9c2a3c34d608500107b9574e5

  • SHA1

    35fd5954f26d36f7ea7607ef090c292164a3d54a

  • SHA256

    f6868f2744ecc988b4efa9c53498df383fc4dc8f84e67db74b4b6a21827c1698

  • SHA512

    96958fe182cde4366df9a76fbff7aae1223ab84145efc369a16a188ceae1d2637700ca37b16805289af830edb8da11c87ea26eead3c228d183d543252d9b563f

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama06

Campaign

1614154599

C2

98.173.34.213:995

160.3.187.114:443

73.25.124.140:2222

24.50.118.93:443

82.127.125.209:990

83.110.109.106:2222

79.129.121.81:995

189.223.234.23:995

125.63.101.62:443

113.22.175.141:443

172.78.30.215:443

47.146.169.85:443

47.22.148.6:443

76.25.142.196:443

78.63.226.32:443

105.198.236.101:443

75.67.192.125:443

176.181.247.197:443

105.96.8.96:443

108.31.15.10:995

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

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jaccsoc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:21 /ET 03:33
          4⤵
          • Creates scheduled task(s)
          PID:1584
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4E216318-FFE4-4B6F-BD00-40BA1F2FC547} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:996

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\file.dll
    MD5

    92afd861fb71245a8a9608a35f070928

    SHA1

    52a092fd619f902aaa7459a4d57fbf2f366e4abb

    SHA256

    8e24cc96560a0b68f4a5e85411c8cb8912da597253bedb9807dc5c7711bf8d56

    SHA512

    ed9fbc1198cc4eea3213493a4d9f683962c6d0051799d801deb52b9bc26d2637636e67448ad563660e8fe197e124ffc882aaca67341f68dfe15ca2a66299198c

  • \Users\Admin\AppData\Local\Temp\file.dll
    MD5

    92afd861fb71245a8a9608a35f070928

    SHA1

    52a092fd619f902aaa7459a4d57fbf2f366e4abb

    SHA256

    8e24cc96560a0b68f4a5e85411c8cb8912da597253bedb9807dc5c7711bf8d56

    SHA512

    ed9fbc1198cc4eea3213493a4d9f683962c6d0051799d801deb52b9bc26d2637636e67448ad563660e8fe197e124ffc882aaca67341f68dfe15ca2a66299198c

  • memory/996-73-0x0000000000000000-mapping.dmp
  • memory/1304-69-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1304-65-0x0000000000000000-mapping.dmp
  • memory/1304-67-0x00000000740E1000-0x00000000740E3000-memory.dmp
    Filesize

    8KB

  • memory/1584-68-0x0000000000000000-mapping.dmp
  • memory/1648-70-0x0000000000000000-mapping.dmp
  • memory/1652-60-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp
    Filesize

    8KB

  • memory/2036-64-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/2036-63-0x0000000000350000-0x00000000003D0000-memory.dmp
    Filesize

    512KB

  • memory/2036-62-0x00000000754F1000-0x00000000754F3000-memory.dmp
    Filesize

    8KB

  • memory/2036-61-0x0000000000000000-mapping.dmp