Analysis

  • max time kernel
    129s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 23:37

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    af7f19084f0428c546fe2ab5f12cc5e3

  • SHA1

    245b51d239326a145b15a5c83bdd2612cabd5988

  • SHA256

    e0642e4a668007477cb5076308fbe8f7c2772579346ffced8d229246f1cf0aad

  • SHA512

    1d89f46042bd24e0af80bf53a09d00c62c269a08c573611df48acd67ea201028158417edade44b25ef1284a549bef356c9c3dd06a0777725a1371d3a029bbd13

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

biden02

Campaign

1614154620

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:1072
    • 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:1276
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn evbmzhc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:18 /ET 01:30
          4⤵
          • Creates scheduled task(s)
          PID:1540
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7AA01625-5F8A-405B-B7A0-8B29DB8F15BE} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:1140

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

    c097ab78e77d8aacbd2ec29ec3c955ec

    SHA1

    37655927dc0fe86aa82aae0533af8b6aa4696087

    SHA256

    2caae9062d4dbef0f5faf4a22b4d3a096824a61315c6d5e9ffd22423aff0e2ad

    SHA512

    78cdc3e99a7ae147664e49c0d58e29cab59cb5a598e855fd8c6b673a6a8de7a79c0082ff6ad2a922a1f4b979ac5faa4e2aeb188140dc01335c898a4ac94fc131

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

    c097ab78e77d8aacbd2ec29ec3c955ec

    SHA1

    37655927dc0fe86aa82aae0533af8b6aa4696087

    SHA256

    2caae9062d4dbef0f5faf4a22b4d3a096824a61315c6d5e9ffd22423aff0e2ad

    SHA512

    78cdc3e99a7ae147664e49c0d58e29cab59cb5a598e855fd8c6b673a6a8de7a79c0082ff6ad2a922a1f4b979ac5faa4e2aeb188140dc01335c898a4ac94fc131

  • memory/844-69-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/844-65-0x0000000000000000-mapping.dmp
  • memory/844-67-0x00000000744C1000-0x00000000744C3000-memory.dmp
    Filesize

    8KB

  • memory/1072-60-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp
    Filesize

    8KB

  • memory/1140-73-0x0000000000000000-mapping.dmp
  • memory/1276-63-0x0000000000250000-0x00000000002D0000-memory.dmp
    Filesize

    512KB

  • memory/1276-64-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/1276-62-0x0000000075411000-0x0000000075413000-memory.dmp
    Filesize

    8KB

  • memory/1276-61-0x0000000000000000-mapping.dmp
  • memory/1308-70-0x0000000000000000-mapping.dmp
  • memory/1540-68-0x0000000000000000-mapping.dmp