Analysis

  • max time kernel
    139s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:28

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    b2e9bc0e9039a9d95ffee21bb3cc106a

  • SHA1

    e50006747037146d3a2daa8f3f875a5fb2306817

  • SHA256

    bf3a2f626fa49a308a1fdcef8b34f90e0807e865d13d3208ea0e03b408633189

  • SHA512

    9e84cc6e462884e575a86521262f1ace7be3db75fa52ae464a22333ee0d81cff59d212d61ed28f598f77d0de21d5cc8ae7acb243d8c3f378749031ac451f6369

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:3876
    • 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:3968
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn edazbhy /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:20 /ET 01:32
          4⤵
          • Creates scheduled task(s)
          PID:2616
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3772

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

    e8ebe66e115d2a9f4eb3a880efe9829a

    SHA1

    21d8100f12f84b0eff0ee0a54710ec64cc5e4b3d

    SHA256

    62ec5e9dd149b38869e02daa363d35db8756295f4d54c7e0a91f42e5e69d1c4b

    SHA512

    cbd8c231d1cd5dd98a7b49f87178b22ec7440e7c1cc5e0c785c7270bfd78052365d1e909a5a2538db6de39d191562d611ef35bcd94b31982347a4d01ac49f227

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

    e8ebe66e115d2a9f4eb3a880efe9829a

    SHA1

    21d8100f12f84b0eff0ee0a54710ec64cc5e4b3d

    SHA256

    62ec5e9dd149b38869e02daa363d35db8756295f4d54c7e0a91f42e5e69d1c4b

    SHA512

    cbd8c231d1cd5dd98a7b49f87178b22ec7440e7c1cc5e0c785c7270bfd78052365d1e909a5a2538db6de39d191562d611ef35bcd94b31982347a4d01ac49f227

  • memory/2616-118-0x0000000000000000-mapping.dmp
  • memory/3564-117-0x0000000000000000-mapping.dmp
  • memory/3564-121-0x00000000028A0000-0x00000000028D5000-memory.dmp
    Filesize

    212KB

  • memory/3668-123-0x0000000000000000-mapping.dmp
  • memory/3968-114-0x0000000000000000-mapping.dmp
  • memory/3968-115-0x00000000030B0000-0x000000000315E000-memory.dmp
    Filesize

    696KB

  • memory/3968-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB