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Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2023, 18:54

General

  • Target

    DHL Shipment Document.exe

  • Size

    2.0MB

  • MD5

    852ecbb34661097c525cc541fcc8f093

  • SHA1

    1bad774af30e8ebd3acbfd16d02446529a9018f9

  • SHA256

    70bc64f3d04300d8a41114c1676cca08abdd2d69ecf37e05ae38a8461f8bf5cc

  • SHA512

    90a043575f91285e89dc5782138664513d53141e373a8dd779c7116cbee5613b609eb6b02aacde4979e553518156fdd5c9408239ee22c527a395b5508b1412f4

  • SSDEEP

    24576:p1v1MN0slyRnfYSIZozmwF2ny/v/LtGZsYjot02EgwT83Zm+cobMvvyThQcYAwv1:p1v1MN0slyz/s59jmkS

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Users\Admin\AppData\Local\Temp\DHL Shipment Document.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Document.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:800
    • C:\Windows\SysWOW64\wuapp.exe
      "C:\Windows\SysWOW64\wuapp.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\gt8lv.zip

      Filesize

      478KB

      MD5

      72b88067a5a1a4f8d52c45e6621d13fe

      SHA1

      f84542474b8583f4371749282e5cc4d52661c222

      SHA256

      70a11669bb8ad1099fd7fba9da92e1a75124bef0d16a01fd10dcdc45e9582092

      SHA512

      a8bf75fd4f38e4c8dee5e6f2527062c5be21f5a8bae4ea561f4aa28139d65a6f215afb212f1e4857ee482e16e813fc0d63ef8ec43ec94d5f8a722489e89e154d

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      910KB

      MD5

      d79258c5189103d69502eac786addb04

      SHA1

      f34b33681cfe8ce649218173a7f58b237821c1ef

      SHA256

      57d89a52061d70d87e40281f1196d53273f87860c4d707d667a8c7d9573da675

      SHA512

      da797f4dd1ad628aa4e8004b2e00b7c278facbc57a313f56b70dc8fcfbdb0050ea8b025b3475098223cce96ea53537d678273656d46c2d33d81b496d90da34b2

    • memory/696-60-0x00000000025F0000-0x0000000002630000-memory.dmp

      Filesize

      256KB

    • memory/800-68-0x00000000021F0000-0x00000000024F3000-memory.dmp

      Filesize

      3.0MB

    • memory/800-73-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-61-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/800-62-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-64-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-65-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-66-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/800-69-0x00000000000D0000-0x00000000000E0000-memory.dmp

      Filesize

      64KB

    • memory/1344-70-0x0000000005FF0000-0x00000000060EB000-memory.dmp

      Filesize

      1004KB

    • memory/1344-67-0x0000000004B90000-0x0000000004C90000-memory.dmp

      Filesize

      1024KB

    • memory/1344-81-0x0000000006670000-0x000000000675C000-memory.dmp

      Filesize

      944KB

    • memory/1344-77-0x0000000006670000-0x000000000675C000-memory.dmp

      Filesize

      944KB

    • memory/1344-76-0x0000000000310000-0x0000000000410000-memory.dmp

      Filesize

      1024KB

    • memory/1420-75-0x0000000001E70000-0x0000000002173000-memory.dmp

      Filesize

      3.0MB

    • memory/1420-74-0x0000000000130000-0x000000000015D000-memory.dmp

      Filesize

      180KB

    • memory/1420-72-0x00000000000D0000-0x00000000000DB000-memory.dmp

      Filesize

      44KB

    • memory/1420-71-0x00000000000D0000-0x00000000000DB000-memory.dmp

      Filesize

      44KB

    • memory/1420-79-0x00000000003C0000-0x000000000044F000-memory.dmp

      Filesize

      572KB

    • memory/1420-121-0x0000000061E00000-0x0000000061ECF000-memory.dmp

      Filesize

      828KB

    • memory/1420-125-0x0000000061E00000-0x0000000061ECF000-memory.dmp

      Filesize

      828KB

    • memory/1704-57-0x0000000002240000-0x00000000022D2000-memory.dmp

      Filesize

      584KB

    • memory/1704-54-0x0000000000850000-0x0000000000A58000-memory.dmp

      Filesize

      2.0MB

    • memory/1704-56-0x0000000005430000-0x000000000559E000-memory.dmp

      Filesize

      1.4MB

    • memory/1704-55-0x0000000004E50000-0x0000000004E90000-memory.dmp

      Filesize

      256KB