Analysis

  • max time kernel
    128s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 23:31

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    41b7cc33149ed08e5f2e49261ee1076f

  • SHA1

    2dd8aa9a36ff1eeebba54ccca7663585b74aa1d8

  • SHA256

    d097dc7cb2dc21ccae2921e383818dfd0eeae09b0ff09f0f4805e30aa0236729

  • SHA512

    654183eb66542ee5b24807290a3304831d43bd3c7a1463b53f4350d950ae36923971eecfa2d722c65545758e00c51ee7ba2060e0e415750c76f0037f583f4ace

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:368
    • 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:612
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vencvinkn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:23 /ET 01:35
          4⤵
          • Creates scheduled task(s)
          PID:332
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {897F8B55-B7BC-49AA-A9C0-21890B2582E9} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:328
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:292

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

    b09322ff1b182fded1b0e09e770c003b

    SHA1

    c67a7cb00a601e9d60a1b1a376348391a3e7b411

    SHA256

    a3ab63f43d4e6af369e174ff52bd1d7d637eb8fb3128b09f8923679aba386779

    SHA512

    3e18f88291ca49381259d1e58c1cf71498532c688e1577db658624db98de7539e3cad347e736b54c77b2de12eb9698e8bf7ec40ec2511f7800cca66a36bcedd8

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

    b09322ff1b182fded1b0e09e770c003b

    SHA1

    c67a7cb00a601e9d60a1b1a376348391a3e7b411

    SHA256

    a3ab63f43d4e6af369e174ff52bd1d7d637eb8fb3128b09f8923679aba386779

    SHA512

    3e18f88291ca49381259d1e58c1cf71498532c688e1577db658624db98de7539e3cad347e736b54c77b2de12eb9698e8bf7ec40ec2511f7800cca66a36bcedd8

  • memory/292-72-0x0000000000000000-mapping.dmp
  • memory/328-69-0x0000000000000000-mapping.dmp
  • memory/332-67-0x0000000000000000-mapping.dmp
  • memory/368-59-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmp
    Filesize

    8KB

  • memory/612-66-0x00000000747D1000-0x00000000747D3000-memory.dmp
    Filesize

    8KB

  • memory/612-64-0x0000000000000000-mapping.dmp
  • memory/612-68-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/2036-63-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/2036-62-0x0000000000220000-0x00000000002A0000-memory.dmp
    Filesize

    512KB

  • memory/2036-61-0x0000000076661000-0x0000000076663000-memory.dmp
    Filesize

    8KB

  • memory/2036-60-0x0000000000000000-mapping.dmp