Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/06/2023, 15:57

General

  • Target
    dysttto.dll
  • Size 1.1MB
  • Sample230621-td8f2aac92
  • SHA256 d212370174b869b6b7ff4839f81f20c663a00dd8cacfa6cdc2a409e93abbe0fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 404.1382

Botnet
  • obama270

Campaign
  • 1687338804

C2
  • 70.28.50.223:1194

  • 201.208.135.13:2222

  • 24.234.80.122:995

  • 81.150.169.174:2222

  • 121.121.100.202:995

  • 105.184.8.190:995

  • 12.172.173.82:21

  • 184.182.66.109:443

  • 64.229.117.208:2222

  • 77.126.99.230:443

  • 80.12.88.148:2222

  • 87.252.106.235:995

  • 12.172.173.82:32101

  • 201.225.216.60:2222

  • 116.88.76.28:443

  • 217.165.255.105:443

  • 92.27.86.48:2222

  • 103.123.223.131:443

  • 90.104.151.37:2222

  • 27.0.48.233:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dysttto.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dysttto.dll,#1
      2⤵
        PID:3628
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1036
      • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
        "PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\Admin\AppData\Local\Temp'
        1⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4444
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" .\dysttto.dll,more
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4068
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" .\dysttto.dll,more
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4924
            • C:\Windows\SysWOW64\wermgr.exe
              C:\Windows\SysWOW64\wermgr.exe
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2940

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_5pgajhwu.vtj.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5pgajhwu.vtj.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            memory/2940-162-0x0000000000C20000-0x0000000000C22000-memory.dmp

            memory/2940-173-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/2940-172-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/2940-171-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/2940-170-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/2940-169-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/2940-163-0x0000000000BB0000-0x0000000000BD4000-memory.dmp

            memory/4444-148-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4444-152-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4444-153-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4444-151-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4444-150-0x000002286CC20000-0x000002286CC3E000-memory.dmp

            memory/4444-149-0x000002286DC00000-0x000002286DC76000-memory.dmp

            memory/4444-147-0x000002286DB30000-0x000002286DB74000-memory.dmp

            memory/4444-144-0x000002286CB90000-0x000002286CBB2000-memory.dmp

            memory/4444-146-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4444-145-0x000002286CC60000-0x000002286CC70000-memory.dmp

            memory/4924-155-0x0000000002160000-0x0000000002163000-memory.dmp

            memory/4924-156-0x0000000010000000-0x0000000010024000-memory.dmp