Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    17/02/2022, 14:18

General

  • Target
    3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll
  • Size 1.5MB
  • Sample220217-rl99gsbcc2
  • SHA256 3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Version
  • 403.509

Botnet
  • obama157

Campaign
  • 1645089451

C2
  • 190.73.3.148:2222

  • 217.164.115.166:2222

  • 136.232.34.70:443

  • 92.177.45.46:2078

  • 102.47.31.216:995

  • 217.128.171.34:2222

  • 149.135.101.20:443

  • 105.184.116.32:995

  • 136.143.11.232:443

  • 103.142.10.177:443

  • 197.89.21.163:443

  • 197.92.132.79:443

  • 176.67.56.94:443

  • 66.230.104.103:443

  • 206.217.0.154:995

  • 186.64.87.194:443

  • 47.180.172.159:50010

  • 82.152.39.39:443

  • 140.82.49.12:443

  • 119.158.116.122:995

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • 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.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn uojbklw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll\"" /SC ONCE /Z /ST 15:20 /ET 15:32
          4⤵
          • Creates scheduled task(s)
          PID:292
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BB6AE764-A354-47BE-80C7-E2139F3B9950} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\3b4de7c37664c56a2b5ba8feef2b41b11fab5e208421d148fe4717fc6da6f4db.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1488
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1920
          • 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\Hpfyqaxcdpuv" /d "0"
            5⤵
              PID:1464
            • 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\Juruuuujynrf" /d "0"
              5⤵
                PID:1060

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/836-67-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

            memory/1200-63-0x00000000000F0000-0x00000000000F2000-memory.dmp

            memory/1200-66-0x0000000000080000-0x00000000000EC000-memory.dmp

            memory/1200-65-0x00000000746F1000-0x00000000746F3000-memory.dmp

            memory/1488-72-0x0000000000FE0000-0x000000000104C000-memory.dmp

            memory/1488-71-0x00000000009D0000-0x0000000000B60000-memory.dmp

            memory/1488-77-0x0000000000FE0000-0x000000000104C000-memory.dmp

            memory/1488-76-0x0000000000820000-0x0000000000887000-memory.dmp

            memory/1488-75-0x0000000000FE0000-0x000000000104C000-memory.dmp

            memory/1488-74-0x0000000000FE0000-0x000000000104C000-memory.dmp

            memory/1488-73-0x0000000000FE0000-0x000000000104C000-memory.dmp

            memory/1588-60-0x0000000002270000-0x00000000022DC000-memory.dmp

            memory/1588-56-0x0000000000910000-0x0000000000AA0000-memory.dmp

            memory/1588-55-0x0000000076371000-0x0000000076373000-memory.dmp

            memory/1588-58-0x0000000002270000-0x00000000022DC000-memory.dmp

            memory/1588-57-0x0000000002270000-0x00000000022DC000-memory.dmp

            memory/1588-62-0x0000000002270000-0x00000000022DC000-memory.dmp

            memory/1588-59-0x0000000002270000-0x00000000022DC000-memory.dmp

            memory/1588-61-0x00000000002E0000-0x0000000000347000-memory.dmp

            memory/1920-81-0x00000000001B0000-0x000000000021C000-memory.dmp