Analysis

  • max time kernel
    130s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24-02-2021 22:48

General

  • Target

    7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll

  • Size

    298KB

  • MD5

    c2b307f0abcdbc162087c166b638786c

  • SHA1

    57ae53b15aa129791aa2745ce3bba3385f4b3759

  • SHA256

    7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400

  • SHA512

    64cbefaeaf917367b39d60b62ed4ab2d3381d5b7ebe1988043215e2a6ac1aae9e1e903d9cc5e732a7ebdbcd21064f1f610276cf462124b05ee5aa53cc0fe70f7

Malware Config

Extracted

Family

qakbot

Botnet

abc123

Campaign

1612275762

C2

196.151.252.84:443

216.201.162.158:443

83.110.12.140:2222

105.186.102.16:443

108.31.15.10:995

193.248.221.184:2222

68.225.60.77:995

197.45.110.165:995

89.3.198.238:443

81.97.154.100:443

81.214.126.173:2222

108.46.145.30:443

71.187.170.235:443

72.240.200.181:2222

81.88.254.62:443

98.240.24.57:443

86.97.8.249:443

75.136.40.155:443

79.129.121.81:995

37.211.90.175:995

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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.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:1604
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xgqheiwn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll\"" /SC ONCE /Z /ST 23:47 /ET 23:59
          4⤵
          • Creates scheduled task(s)
          PID:1512
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B2E260FF-CE13-49F5-BDA3-AC53F32CA64D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll"
        3⤵
        • Loads dropped DLL
        PID:1268

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\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll
    MD5

    228ad0fc36121c4f07e9b6d5f6b85199

    SHA1

    fddb214fd7f12cff6e59d9376e8d595711ffcea3

    SHA256

    30d6a7e6536a419a6cce8c674bd638e14f34254558dedf52f430d76802b27dae

    SHA512

    1ee2548129a3465e2f3a44e1a413abab0b5c5f928896ef8a97b5c8365428f4a41cff4a0ca00c81f0b5c5b62c6281a5de51f0d04caaf1b00ac5780da325af0bd1

  • \Users\Admin\AppData\Local\Temp\7f2eb84749c19f521a9a1ab46fbd133e95b971c63f216a6fcf53edca62748400.dll
    MD5

    228ad0fc36121c4f07e9b6d5f6b85199

    SHA1

    fddb214fd7f12cff6e59d9376e8d595711ffcea3

    SHA256

    30d6a7e6536a419a6cce8c674bd638e14f34254558dedf52f430d76802b27dae

    SHA512

    1ee2548129a3465e2f3a44e1a413abab0b5c5f928896ef8a97b5c8365428f4a41cff4a0ca00c81f0b5c5b62c6281a5de51f0d04caaf1b00ac5780da325af0bd1

  • memory/1044-12-0x0000000000000000-mapping.dmp
  • memory/1044-13-0x000007FEFC121000-0x000007FEFC123000-memory.dmp
    Filesize

    8KB

  • memory/1268-15-0x0000000000000000-mapping.dmp
  • memory/1512-9-0x0000000000000000-mapping.dmp
  • memory/1604-10-0x0000000000370000-0x00000000003A5000-memory.dmp
    Filesize

    212KB

  • memory/1604-11-0x0000000000370000-0x00000000003A5000-memory.dmp
    Filesize

    212KB

  • memory/1604-8-0x0000000074EA1000-0x0000000074EA3000-memory.dmp
    Filesize

    8KB

  • memory/1604-6-0x0000000000000000-mapping.dmp
  • memory/2024-2-0x0000000000000000-mapping.dmp
  • memory/2024-5-0x00000000001A0000-0x00000000001D5000-memory.dmp
    Filesize

    212KB

  • memory/2024-4-0x0000000000290000-0x00000000002C4000-memory.dmp
    Filesize

    208KB

  • memory/2024-3-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB