Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 04:34

General

  • Target

    938b42f084ea40da98cbb0d6cab7f424f1c7e9d6580f67634995a01facb4d98b.exe

  • Size

    862KB

  • MD5

    4f7f20d7e243b1dd4f3ce28e7367f76f

  • SHA1

    426479e19a29e17607f0c159021fd965dbb42302

  • SHA256

    938b42f084ea40da98cbb0d6cab7f424f1c7e9d6580f67634995a01facb4d98b

  • SHA512

    a0a0f7e180f126a4b316208bc77bdb8dc978874c31616103d3f45e7d863a3b915d1ce1d6cdb1fb222bdf2ed5dab112ef44c393e402c3a1943f2bdb7d2a1322c2

  • SSDEEP

    12288:Vt7ExDo//OtX1lxawkeVCGmQzVuoLZJNlM+gcPOtH3DwX0ZvDJ3HD6RJhZaiWKxj:XYDoeMwkejuoLD3RPOB33yvNWKxxd66b

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\938b42f084ea40da98cbb0d6cab7f424f1c7e9d6580f67634995a01facb4d98b.exe
    "C:\Users\Admin\AppData\Local\Temp\938b42f084ea40da98cbb0d6cab7f424f1c7e9d6580f67634995a01facb4d98b.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Vartabed=Get-Content 'C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Dullity.Fol';$Stratify=$Vartabed.SubString(70428,3);.$Stratify($Vartabed) "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Users\Admin\AppData\Local\Temp\strmmer.exe
        "C:\Users\Admin\AppData\Local\Temp\strmmer.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Dullity.Fol

    Filesize

    68KB

    MD5

    c74b686e5d5f7d6a7a1aa23a9002d6d9

    SHA1

    adc10d9729c0cfb51b1614acc45f9882e9a087fe

    SHA256

    d39197c9c7f51d621d8c57e380a4bcb5c8ba56383944551f52e2f13c7ee80f6b

    SHA512

    e82038151aa0bee85e674d2d8bf101bc0d7d56f7aac53536d96c96a59363d0b862941a0e009985847ca5e9652de7df0970a24499b75b5a0480aaf8c73f15ef6f

  • C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Persongruppe.Nyh

    Filesize

    361KB

    MD5

    fddf48fa20791312c1d1edd67d72aaee

    SHA1

    76eaacddf99db66c697ff74cfebca24c119df73e

    SHA256

    4c2ec6eb7971b635f031bc10fc6b16860de5e78408690cd699918b875d522875

    SHA512

    45d70acf2c2657a5ed006ba0aa69287abaa29b1696715f5562fd0adeb31682546992657954db14a66e9dbf2e82e0e2eac4b3791ccd6b6a6dd3cdc4d3a6c88a35

  • \Users\Admin\AppData\Local\Temp\strmmer.exe

    Filesize

    862KB

    MD5

    4f7f20d7e243b1dd4f3ce28e7367f76f

    SHA1

    426479e19a29e17607f0c159021fd965dbb42302

    SHA256

    938b42f084ea40da98cbb0d6cab7f424f1c7e9d6580f67634995a01facb4d98b

    SHA512

    a0a0f7e180f126a4b316208bc77bdb8dc978874c31616103d3f45e7d863a3b915d1ce1d6cdb1fb222bdf2ed5dab112ef44c393e402c3a1943f2bdb7d2a1322c2

  • memory/720-24-0x00000000004A0000-0x0000000001502000-memory.dmp

    Filesize

    16.4MB

  • memory/2556-14-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-11-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-7-0x0000000074191000-0x0000000074192000-memory.dmp

    Filesize

    4KB

  • memory/2556-9-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-16-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-17-0x0000000006710000-0x000000000C39E000-memory.dmp

    Filesize

    92.6MB

  • memory/2556-18-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-10-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-8-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB