Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/10/2022, 21:32

General

  • Target
    MV CEDAR VC2202 DETAILS.exe
  • Size 217KB
  • Sample221024-1dletsafg8
  • SHA256 969fc6fade1be7419194f03599a8eec7fc743fae38ce0d766a9da83d3cec33ea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Campaign
  • ermr

Decoy
  • ErOK6LFCgNIAlQmH54oaYOL/CN29Z78=

  • qNSdDhu/PT/1fgafDagiCSZH1SY=

  • wLpPOAkYS8EABl3pHGc4hNT/Q1sHBrU=

  • jSxRvptHkeTGl7PT0SEmaZmjqzanuA==

  • b91oL+2wCcpyhnd6yvF6Pg==

  • mr81yp1/qqZX

  • hy7Xsz/PU/LWHMcGL4UYJx9n3A==

  • KlwrHt1gouPaXaWhoQ==

  • ng8M320IRJL9Ptw=

  • 8GQbOXuaWxvKnNM=

  • XndOL7E5sNpVUNty4d/a

  • rryPBBC8PybYb+2h2MF3FHGL

  • kEoeyERSVCYO0g==

  • 5/P+SBDby5hO

  • 1fYXc30/h9W7iO17

  • 34X+YKR+wRFE

  • 8ir/X2MlVByh5lQ1ow8=

  • u9ikm2UMZ7J7hpCYow==

  • FLI+c3clp1BNDjVAfvC2Dnw=

  • t21Erq8/r09wAzAJTAH3Ng==

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe
        "C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:952
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"
        3⤵
        • Deletes itself
        PID:844
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:564

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/864-55-0x0000000075141000-0x0000000075143000-memory.dmp

          memory/864-54-0x0000000000220000-0x000000000025C000-memory.dmp

          memory/952-56-0x0000000000090000-0x00000000000BD000-memory.dmp

          memory/952-57-0x0000000000090000-0x00000000000BD000-memory.dmp

          memory/952-61-0x0000000000090000-0x00000000000BD000-memory.dmp

          memory/952-63-0x00000000008B0000-0x0000000000BB3000-memory.dmp

          memory/952-64-0x0000000000200000-0x0000000000211000-memory.dmp

          memory/1208-70-0x0000000000080000-0x00000000000AD000-memory.dmp

          memory/1208-69-0x0000000000D60000-0x0000000000D7F000-memory.dmp

          memory/1208-71-0x0000000002180000-0x0000000002483000-memory.dmp

          memory/1208-72-0x00000000008B0000-0x0000000000940000-memory.dmp

          memory/1208-74-0x0000000000080000-0x00000000000AD000-memory.dmp

          memory/1296-65-0x0000000002B70000-0x0000000002C23000-memory.dmp

          memory/1296-73-0x00000000068F0000-0x0000000006A24000-memory.dmp

          memory/1296-75-0x00000000068F0000-0x0000000006A24000-memory.dmp