Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2023, 07:29

General

  • Target
    RR.lnk
  • Size 1KB
  • Sample230223-jbj1jsfa99
  • SHA256 0de89af6fa556b786c8de96fb3cfe96307ce8d8a14cef1fb6ca2f0d9e56be9b0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Version
  • 404.9

Botnet
  • BB16

Campaign
  • 1677046917

C2
  • 47.21.51.138:443

  • 72.80.7.6:50003

  • 82.127.204.82:2222

  • 49.175.72.56:443

  • 201.244.108.183:995

  • 122.184.143.82:443

  • 102.156.253.86:443

  • 74.58.71.237:443

  • 47.21.51.138:995

  • 77.86.98.236:443

  • 71.31.101.183:443

  • 136.232.184.134:995

  • 86.225.214.138:2222

  • 95.242.101.251:995

  • 109.11.175.42:2222

  • 90.78.138.217:2222

  • 184.176.35.223:2222

  • 35.143.97.145:995

  • 202.186.177.88:443

  • 114.79.180.14:995

Attributes
  • salt

    SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\RR.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe" /q /c vibrations\\floodlight.cmd
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
        vibrations\circlets.exe -decode vibrations\snows.sql c:\users\public\output.txt
        3⤵
          PID:4108
        • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
          vibrations\circlets.exe -decode c:\users\public\output.txt c:\users\public\output2.txt
          3⤵
            PID:4668
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 c:\users\public\output2.txt,N115
            3⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2196
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 552
              4⤵
              • Program crash
              PID:4700
            • C:\Windows\SysWOW64\wermgr.exe
              C:\Windows\SysWOW64\wermgr.exe
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2196 -ip 2196
        1⤵
          PID:4900

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              output2.txt

              • Path C:\Users\Public\output2.txt
              • Size 904KB
              • SHA256 3b6cb8121e923974908c0d2dd1022123251c1f43dafe71a075e19249f9e802ad
              • MD5 SHA1 SHA512 SSDEEP

              output.txt

              • Path \??\c:\users\public\output.txt
              • Size 1.2MB
              • SHA256 117b4c190a98cc5ce6fb594605e2ff9760935525a830641d75913cbf3d3e9a26
              • MD5 SHA1 SHA512 SSDEEP

              output2.txt

              • Path \??\c:\users\public\output2.txt
              • Size 904KB
              • SHA256 3b6cb8121e923974908c0d2dd1022123251c1f43dafe71a075e19249f9e802ad
              • MD5 SHA1 SHA512 SSDEEP

              memory/2196-145-0x0000000010000000-0x0000000010023000-memory.dmp

              memory/2196-143-0x0000000010000000-0x0000000010023000-memory.dmp

              memory/2196-144-0x0000000000BC0000-0x0000000000BC3000-memory.dmp

              memory/2196-138-0x0000000010000000-0x0000000010023000-memory.dmp

              memory/2196-146-0x000000006D700000-0x000000006D7D1000-memory.dmp

              memory/4712-148-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-149-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-151-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-152-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-153-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-155-0x0000000000510000-0x0000000000533000-memory.dmp

              memory/4712-157-0x0000000000510000-0x0000000000533000-memory.dmp