Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2022 13:47

General

  • Target

    ScannedDocuments_0289716.lnk

  • Size

    1KB

  • MD5

    f7581541da8f50b6e5c80d2ff42ee57b

  • SHA1

    ea8d8e5b84fb388520e3ac422a222e39f6a21420

  • SHA256

    8c1771c049cf36eecc7a37f207536a1a5fc2ca074c26e8c8c4e9dc167b8b3415

  • SHA512

    ad87452fe5a2f808ebf2873cf8aa173a39fa1adc0d4294fbe8658a191177c0633cf55f07f7afc446f72073d412bc261611ae25150b01bab6487138a0ded084ba

Malware Config

Extracted

Family

qakbot

Version

403.688

Botnet

obama187

Campaign

1654695312

C2

197.164.182.46:993

70.51.135.90:2222

187.251.132.144:22

37.186.54.254:995

80.11.74.81:2222

41.84.236.245:995

24.139.72.117:443

177.94.57.126:32101

37.34.253.233:443

186.90.153.162:2222

32.221.224.140:995

208.107.221.224:443

67.165.206.193:993

63.143.92.99:995

88.232.220.207:443

189.78.107.163:32101

74.14.5.179:2222

148.0.56.63:443

40.134.246.185:995

173.21.10.71:2222

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\ScannedDocuments_0289716.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" local.dll,DllInstall
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" local.dll,DllInstall
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4228
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn sxxloxgxxw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\local.dll\"" /SC ONCE /Z /ST 15:49 /ET 16:01
            5⤵
            • Creates scheduled task(s)
            PID:3436
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\local.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\local.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:4340
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Pelkvwejhn" /d "0"
          4⤵
          • Windows security bypass
          PID:2604
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Iyamgweemys" /d "0"
          4⤵
          • Windows security bypass
          PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\local.dll
    Filesize

    843KB

    MD5

    3bc34123feafc82ec82db6650b890763

    SHA1

    df2755125d32051b9beb38de38a9a960d2ae7b31

    SHA256

    1a1296b3063923647f59aedf3a12d8fccb700e4c5181c875b8622b7965cfb564

    SHA512

    518a7b443222c7119d66187ce09fdd80b2fba547f7be73b6448c412d2536499181105b5641bed9f65b505e783454f0d8f691ece0ddc0ceac2c3f515220105152

  • C:\Users\Admin\AppData\Local\Temp\local.dll
    Filesize

    843KB

    MD5

    3bc34123feafc82ec82db6650b890763

    SHA1

    df2755125d32051b9beb38de38a9a960d2ae7b31

    SHA256

    1a1296b3063923647f59aedf3a12d8fccb700e4c5181c875b8622b7965cfb564

    SHA512

    518a7b443222c7119d66187ce09fdd80b2fba547f7be73b6448c412d2536499181105b5641bed9f65b505e783454f0d8f691ece0ddc0ceac2c3f515220105152

  • memory/1308-150-0x0000000000000000-mapping.dmp
  • memory/2024-131-0x0000000000000000-mapping.dmp
  • memory/2024-132-0x0000000002120000-0x00000000021F7000-memory.dmp
    Filesize

    860KB

  • memory/2024-133-0x0000000003F10000-0x0000000003F32000-memory.dmp
    Filesize

    136KB

  • memory/2024-134-0x0000000003EB0000-0x0000000003EE2000-memory.dmp
    Filesize

    200KB

  • memory/2024-135-0x0000000003F10000-0x0000000003F32000-memory.dmp
    Filesize

    136KB

  • memory/2024-137-0x0000000003F10000-0x0000000003F32000-memory.dmp
    Filesize

    136KB

  • memory/2604-149-0x0000000000000000-mapping.dmp
  • memory/3436-139-0x0000000000000000-mapping.dmp
  • memory/4128-130-0x0000000000000000-mapping.dmp
  • memory/4228-140-0x0000000001300000-0x0000000001322000-memory.dmp
    Filesize

    136KB

  • memory/4228-138-0x0000000001300000-0x0000000001322000-memory.dmp
    Filesize

    136KB

  • memory/4228-136-0x0000000000000000-mapping.dmp
  • memory/4340-147-0x0000000000000000-mapping.dmp
  • memory/4340-151-0x00000000012E0000-0x0000000001302000-memory.dmp
    Filesize

    136KB

  • memory/4340-152-0x00000000012E0000-0x0000000001302000-memory.dmp
    Filesize

    136KB

  • memory/4948-142-0x0000000000000000-mapping.dmp
  • memory/4948-144-0x0000000003020000-0x0000000003042000-memory.dmp
    Filesize

    136KB

  • memory/4948-145-0x0000000002FC0000-0x0000000002FF2000-memory.dmp
    Filesize

    200KB

  • memory/4948-146-0x0000000003020000-0x0000000003042000-memory.dmp
    Filesize

    136KB

  • memory/4948-148-0x0000000003020000-0x0000000003042000-memory.dmp
    Filesize

    136KB