Analysis

  • max time kernel
    130s
  • max time network
    69s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:30

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    db9f1b219822fb023b46562c233f23e1

  • SHA1

    fb3de9126172e0f6db8dc67029ed0b2fedafcf18

  • SHA256

    cd0c202a1cbae4e374b933235e508c0b5f07a09909670a600db8be9bc6e3426e

  • SHA512

    1f74f39dbb5b2807183e65bd30d8eae7eb018e66371b3e4212a5a3b7d61d2631237ff548fb7e1fb21817b9061647e22ce55167be116ccb445cefb33e918bfd5e

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
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3684
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mcoirmfwpy /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:23 /ET 03:35
          4⤵
          • Creates scheduled task(s)
          PID:1320
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2252

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    8772e9cec63d0e1be602e0fba6455b80

    SHA1

    589d19d3b825eced2f6e847b0a9086485d276542

    SHA256

    53e919c6b88e72eb0efcac6f87309167050205cee8eb5c226590427d111d5c44

    SHA512

    fb947284b1557841076a4f5e51629ba4d54f9ffd997629c5b670b86e5f6be8178308f624a0c1b12aeb7defc0d6d0945a2cd78074e18644907105838fa84797f2

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

    8772e9cec63d0e1be602e0fba6455b80

    SHA1

    589d19d3b825eced2f6e847b0a9086485d276542

    SHA256

    53e919c6b88e72eb0efcac6f87309167050205cee8eb5c226590427d111d5c44

    SHA512

    fb947284b1557841076a4f5e51629ba4d54f9ffd997629c5b670b86e5f6be8178308f624a0c1b12aeb7defc0d6d0945a2cd78074e18644907105838fa84797f2

  • memory/816-123-0x0000000000000000-mapping.dmp
  • memory/1304-114-0x0000000000000000-mapping.dmp
  • memory/1304-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/1304-115-0x0000000003440000-0x00000000034A6000-memory.dmp
    Filesize

    408KB

  • memory/1320-119-0x0000000000000000-mapping.dmp
  • memory/3684-117-0x0000000000000000-mapping.dmp
  • memory/3684-118-0x0000000003090000-0x00000000030C5000-memory.dmp
    Filesize

    212KB