Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 23:08

General

  • Target

    f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c.exe

  • Size

    369KB

  • MD5

    7bf5f42835448e581e2d2209024c8070

  • SHA1

    04def1f5578a71da6ab5722fb459ccd8edc1d97a

  • SHA256

    f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c

  • SHA512

    676f3850d7b0ae6db021819c74260c6c040c424a0f1176c01d985dffcb6c1fe684aa1955b6b9fe88b84ab18fe0669d32bc18b3baefaf1a96e53f3d3fa66fa68e

  • SSDEEP

    3072:0RgEC2Oi8NXC797F8TBfFvj4bq57Pc2CKdBptrhtL3J3/5V5EsPm1nv+VzgA9BsU:01C2F8NXC796TB9vj48kRKdB34nv+2G

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c.exe
    "C:\Users\Admin\AppData\Local\Temp\f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    369KB

    MD5

    7bf5f42835448e581e2d2209024c8070

    SHA1

    04def1f5578a71da6ab5722fb459ccd8edc1d97a

    SHA256

    f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c

    SHA512

    676f3850d7b0ae6db021819c74260c6c040c424a0f1176c01d985dffcb6c1fe684aa1955b6b9fe88b84ab18fe0669d32bc18b3baefaf1a96e53f3d3fa66fa68e

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

    Filesize

    369KB

    MD5

    7bf5f42835448e581e2d2209024c8070

    SHA1

    04def1f5578a71da6ab5722fb459ccd8edc1d97a

    SHA256

    f8db20a8ffc57643c267a1a1a6737eb1dc3a35ecdda44d6989bb3b24eb89116c

    SHA512

    676f3850d7b0ae6db021819c74260c6c040c424a0f1176c01d985dffcb6c1fe684aa1955b6b9fe88b84ab18fe0669d32bc18b3baefaf1a96e53f3d3fa66fa68e

  • memory/332-68-0x0000000000000000-mapping.dmp

  • memory/1000-54-0x0000000000020000-0x000000000003A000-memory.dmp

    Filesize

    104KB

  • memory/1000-57-0x0000000076561000-0x0000000076563000-memory.dmp

    Filesize

    8KB

  • memory/1000-58-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1000-66-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1392-60-0x0000000000000000-mapping.dmp

  • memory/1392-67-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1392-70-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB