Analysis

  • max time kernel
    142s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    12-05-2021 09:50

General

  • Target

    437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll

  • Size

    735KB

  • MD5

    ff792107f35479d553bb80c0281cda33

  • SHA1

    e3455dc43ea621bfc34012115b2dcc6c55a14348

  • SHA256

    437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b

  • SHA512

    90ab29da6140284d8682fa70a0a0ab3a3c99a870f9efdcd7f4a5c16e0d8fd815cb75751b7f0bb97759aa5836cfe317775fccf89ad979cf3a307afd6c16298e48

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

notset

Campaign

1618398961

C2

47.196.192.184:443

216.201.162.158:443

136.232.34.70:443

71.41.184.10:3389

140.82.49.12:443

45.63.107.192:2222

45.63.107.192:443

149.28.98.196:443

45.32.211.207:443

144.202.38.185:443

45.77.115.208:2222

45.77.115.208:8443

207.246.116.237:995

45.77.117.108:443

149.28.99.97:443

149.28.99.97:995

149.28.98.196:995

45.32.211.207:995

45.32.211.207:2222

149.28.98.196:2222

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\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fttzaxyewi /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll\"" /SC ONCE /Z /ST 11:56 /ET 12:08
          4⤵
          • Creates scheduled task(s)
          PID:268
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F8EE8A4A-C73F-45DD-9AB6-3EB9C76D5E6C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:304
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll"
        3⤵
        • Loads dropped DLL
        PID:276

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll
    MD5

    9190ad1116c50d3b53735aa84661bd82

    SHA1

    2ec9f61b8a47158833fc19c53d44f58b75a0ac01

    SHA256

    b8f3249dcd4d07c2f4c42b79be967ac6949a647c98474854cc5e36530674903f

    SHA512

    3f230414459ec45bdd39b5577972bbd604b8dc22b67da151e6ca0ae4a7480b7beb13ba3f68b976ae01dfa8b557913a763a088a520536747289e7e5fdc7b7656b

  • \Users\Admin\AppData\Local\Temp\437a5419d30efa4e091d13acccdbc0920321ea924c6f9f7f216616de25abd75b.dll
    MD5

    9190ad1116c50d3b53735aa84661bd82

    SHA1

    2ec9f61b8a47158833fc19c53d44f58b75a0ac01

    SHA256

    b8f3249dcd4d07c2f4c42b79be967ac6949a647c98474854cc5e36530674903f

    SHA512

    3f230414459ec45bdd39b5577972bbd604b8dc22b67da151e6ca0ae4a7480b7beb13ba3f68b976ae01dfa8b557913a763a088a520536747289e7e5fdc7b7656b

  • memory/268-68-0x0000000000000000-mapping.dmp
  • memory/276-72-0x0000000000000000-mapping.dmp
  • memory/304-70-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp
    Filesize

    8KB

  • memory/304-69-0x0000000000000000-mapping.dmp
  • memory/1672-67-0x0000000000080000-0x00000000000B9000-memory.dmp
    Filesize

    228KB

  • memory/1672-66-0x00000000743A1000-0x00000000743A3000-memory.dmp
    Filesize

    8KB

  • memory/1672-64-0x0000000000000000-mapping.dmp
  • memory/2024-60-0x0000000000000000-mapping.dmp
  • memory/2024-63-0x0000000000290000-0x00000000002C9000-memory.dmp
    Filesize

    228KB

  • memory/2024-62-0x0000000000140000-0x0000000000182000-memory.dmp
    Filesize

    264KB

  • memory/2024-61-0x00000000754F1000-0x00000000754F3000-memory.dmp
    Filesize

    8KB