Overview

overview

8

Static

static

efcb1a1d58...85.exe

windows7-x64

8

efcb1a1d58...85.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    189s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:01

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General

  • Target

    efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe

  • Size

    37KB

  • MD5

    0838eeadde00e52893d0495e2aee4237

  • SHA1

    025f0560461c8712434c388a4b4a9d0480f1ae81

  • SHA256

    efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

  • SHA512

    a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2

  • SSDEEP

    768:gYX9JxV7uMBw43PkR4w2B834D4eQy1bXlJTS:rX9JHDNbBm4DlRTS

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe
    "C:\Users\Admin\AppData\Local\Temp\efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\Trojan.exe
      "C:\Users\Admin\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Trojan.exe
    Filesize

    37KB

    MD5

    0838eeadde00e52893d0495e2aee4237

    SHA1

    025f0560461c8712434c388a4b4a9d0480f1ae81

    SHA256

    efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

    SHA512

    a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2

    Download Submit

  • C:\Users\Admin\Trojan.exe
    Filesize

    37KB

    MD5

    0838eeadde00e52893d0495e2aee4237

    SHA1

    025f0560461c8712434c388a4b4a9d0480f1ae81

    SHA256

    efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

    SHA512

    a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2

    Download Submit

  • memory/1164-133-0x0000000000000000-mapping.dmp

    Download

  • memory/1164-136-0x00007FFC0EA40000-0x00007FFC0F476000-memory.dmp

    Filesize

    10.2MB

    Download

  • memory/2112-132-0x00007FFC0EA40000-0x00007FFC0F476000-memory.dmp

    Filesize

    10.2MB

    Download

  • memory/4136-137-0x0000000000000000-mapping.dmp

    Download