Analysis

  • max time kernel
    128s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:23

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    9c6e32a151fa71136c9e6f4bd517deac

  • SHA1

    76c530fb78bc21425c34ec8f178b690f8cdac81d

  • SHA256

    a56375dcce51b968e28570aa9e79f974c7d60eae29f5b604df1ec827ad453586

  • SHA512

    7d9f5fbe19f480aeefcd5a734260196226bf3eee7da60f99f1c74209bea569bd35c656ba08588caa33062ae63ef761b78c4a7ed0387b2c087e74c379fbc5f19f

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama05

Campaign

1613729859

C2

86.160.137.132:443

172.87.157.235:3389

106.51.85.162:443

108.31.15.10:995

38.92.225.121:443

173.184.119.153:995

81.150.181.168:2222

71.187.170.235:443

188.25.63.105:443

71.117.132.169:443

193.248.221.184:2222

85.52.72.32:2222

87.202.87.210:2222

78.185.59.190:443

2.7.116.188:2222

81.97.154.100:443

24.50.118.93:443

98.121.187.78:443

108.29.32.251:443

24.152.219.253:995

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:3768
    • 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:812
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn iotohbxdy /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:15 /ET 01:27
          4⤵
          • Creates scheduled task(s)
          PID:1892
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:1848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2440

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

    3a53ee32ef537e6a0b058c9c6e417c60

    SHA1

    68c6a0ada0e80757644e07d29dd00f473ffeaa52

    SHA256

    3843333bd9f98cf16ec9d792bfc3a357bdcbb3e2f5a6186c3794bac4edfdf8fa

    SHA512

    2b4915c67b563c78853fce3e4f86e715292bd16604759e3edc64ac7b685be557e64f39cb0a385e87f9ac832f925f2eb545d8f1a16fed345515967a37048c08ac

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

    3a53ee32ef537e6a0b058c9c6e417c60

    SHA1

    68c6a0ada0e80757644e07d29dd00f473ffeaa52

    SHA256

    3843333bd9f98cf16ec9d792bfc3a357bdcbb3e2f5a6186c3794bac4edfdf8fa

    SHA512

    2b4915c67b563c78853fce3e4f86e715292bd16604759e3edc64ac7b685be557e64f39cb0a385e87f9ac832f925f2eb545d8f1a16fed345515967a37048c08ac

  • memory/812-114-0x0000000000000000-mapping.dmp
  • memory/812-115-0x0000000004A50000-0x0000000004AB7000-memory.dmp
    Filesize

    412KB

  • memory/812-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/1848-123-0x0000000000000000-mapping.dmp
  • memory/1892-119-0x0000000000000000-mapping.dmp
  • memory/2828-117-0x0000000000000000-mapping.dmp
  • memory/2828-118-0x0000000000DE0000-0x0000000000E15000-memory.dmp
    Filesize

    212KB