Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 10:26

General

  • Target
    0559b48910a0956810dbafef2393e5e0.dll
  • Size 1.0MB
  • Sample231219-mgtcysbcdk
  • SHA256 1ae7ba6b2cd80096b270ac9f05ef9c681e3b6237842b508845dd2143534542ba
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 402.363

Botnet
  • tr

Campaign
  • 1633334141

C2
  • 75.75.179.226:443

  • 185.250.148.74:443

  • 122.11.220.212:2222

  • 120.150.218.241:995

  • 103.148.120.144:443

  • 140.82.49.12:443

  • 40.131.140.155:995

  • 206.47.134.234:2222

  • 73.230.205.91:443

  • 190.198.206.189:2222

  • 103.157.122.198:995

  • 81.250.153.227:2222

  • 167.248.100.227:443

  • 96.57.188.174:2078

  • 217.17.56.163:2222

  • 217.17.56.163:2078

  • 41.228.22.180:443

  • 136.232.34.70:443

  • 68.186.192.69:443

  • 167.248.111.245:443

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
  • 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3936
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fmmixvgqrv /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll\"" /SC ONCE /Z /ST 11:33 /ET 11:45
          4⤵
          • Creates scheduled task(s)
          PID:4840
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:4516
        • 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\Exrmhy" /d "0"
          4⤵
          • Windows security bypass
          PID:4344
        • 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\Emcin" /d "0"
          4⤵
          • Windows security bypass
          PID:4612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        0559b48910a0956810dbafef2393e5e0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll
        • Size 1.0MB
        • SHA256 1ae7ba6b2cd80096b270ac9f05ef9c681e3b6237842b508845dd2143534542ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/1472-0-0x0000000074C70000-0x000000007567C000-memory.dmp

        memory/1472-1-0x0000000074C70000-0x000000007567C000-memory.dmp

        memory/1472-2-0x0000000074C70000-0x000000007567C000-memory.dmp

        memory/1472-4-0x0000000000850000-0x0000000000851000-memory.dmp

        memory/1472-6-0x0000000074C70000-0x000000007567C000-memory.dmp

        memory/3936-13-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/3936-5-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/3936-9-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/3936-12-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/3936-11-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/3936-10-0x0000000000D40000-0x0000000000D61000-memory.dmp

        memory/4460-18-0x0000000072C70000-0x000000007367C000-memory.dmp

        memory/4460-19-0x00000000005F0000-0x00000000005F1000-memory.dmp

        memory/4460-22-0x0000000072C70000-0x000000007367C000-memory.dmp

        memory/4460-17-0x0000000072C70000-0x000000007367C000-memory.dmp

        memory/4516-23-0x00000000008C0000-0x00000000008E1000-memory.dmp

        memory/4516-27-0x00000000008C0000-0x00000000008E1000-memory.dmp

        memory/4516-26-0x00000000008C0000-0x00000000008E1000-memory.dmp

        memory/4516-25-0x00000000008C0000-0x00000000008E1000-memory.dmp