Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-02-2021 05:54

General

  • Target

    2021-02-24-DLL-to-install-Qakbot.bin.dll

  • Size

    400KB

  • MD5

    c0675c5d2bc7ccf59e50977dd71f28ec

  • SHA1

    0f5d521ec82202f972856816f0565389394b9ae5

  • SHA256

    9a353d4b85b3097762282703f1807c2b459698966b967280c8e4e13cc56d2e28

  • SHA512

    0af0be1551bd660794920157ee0fa7f77b3e3e333df993df2a7e1d622f0abb3f75bb610632984e0b663c18049aeb704f1f5f7eb5050a5ad2eadee71529bb8aff

Malware Config

Extracted

Family

qakbot

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\2021-02-24-DLL-to-install-Qakbot.bin.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\2021-02-24-DLL-to-install-Qakbot.bin.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ajqslzop /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2021-02-24-DLL-to-install-Qakbot.bin.dll\"" /SC ONCE /Z /ST 06:59 /ET 07:11
          4⤵
          • Creates scheduled task(s)
          PID:752
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DABA61E5-B2B8-45C7-A739-CAD3819E80E8} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2021-02-24-DLL-to-install-Qakbot.bin.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\2021-02-24-DLL-to-install-Qakbot.bin.dll"
        3⤵
        • Loads dropped DLL
        PID:280

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\2021-02-24-DLL-to-install-Qakbot.bin.dll
    MD5

    cadefb613d15b7b68fff004fc945f0b4

    SHA1

    94ece125455b1e740beeb95445166c27795a0a0a

    SHA256

    9e48d15eb273e32486dd0d40730e888c397daf340ab74940e9e8d5bb75ab8da6

    SHA512

    01d0ce1c753cad5ee88783baa58ac767b31fb5658f7473f537f95009181f19d344375a13e551ae78ba9dc410538d177459b2ac703a58d43fd788beca3b6fb0a6

  • \Users\Admin\AppData\Local\Temp\2021-02-24-DLL-to-install-Qakbot.bin.dll
    MD5

    cadefb613d15b7b68fff004fc945f0b4

    SHA1

    94ece125455b1e740beeb95445166c27795a0a0a

    SHA256

    9e48d15eb273e32486dd0d40730e888c397daf340ab74940e9e8d5bb75ab8da6

    SHA512

    01d0ce1c753cad5ee88783baa58ac767b31fb5658f7473f537f95009181f19d344375a13e551ae78ba9dc410538d177459b2ac703a58d43fd788beca3b6fb0a6

  • memory/280-16-0x0000000000000000-mapping.dmp
  • memory/752-10-0x0000000000000000-mapping.dmp
  • memory/1412-3-0x0000000000000000-mapping.dmp
  • memory/1412-4-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1412-5-0x0000000000180000-0x00000000001E6000-memory.dmp
    Filesize

    408KB

  • memory/1412-6-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/1664-13-0x0000000000000000-mapping.dmp
  • memory/1772-9-0x0000000074411000-0x0000000074413000-memory.dmp
    Filesize

    8KB

  • memory/1772-12-0x0000000000160000-0x0000000000195000-memory.dmp
    Filesize

    212KB

  • memory/1772-11-0x0000000000160000-0x0000000000195000-memory.dmp
    Filesize

    212KB

  • memory/1772-7-0x0000000000000000-mapping.dmp
  • memory/1864-2-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp
    Filesize

    8KB