Overview

overview

10

Static

static

3

2024-07-25...fo.exe

windows7-x64

10

2024-07-25...fo.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 11:05

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General

  • Target

    2024-07-25_ac439c5a39a815402d807c989ecc7a6d_gandcrab_karagany_metamorfo.exe

  • Size

    137KB

  • MD5

    ac439c5a39a815402d807c989ecc7a6d

  • SHA1

    859fa92674ee5551986b5ca86f48bd0454514354

  • SHA256

    3d967cb5197fb3fdfd57c1b6832c2445cee711021a723ae497465b5945a1a2de

  • SHA512

    31ba3e5a1ce7a00928beb531b8c56d0039d87d1dca3444a1941b0900d5a42be95a17a3bf3092b466769d38db5957d76e647bb3fc9f100941ad98eb0924a95957

  • SSDEEP

    1536:ymFff+GbWDmMAvQmHWlOMDSzWiO5MOYTB6m+GCgp10sWjcdCiIjUA0ZTwy2:ymjbWaMAvx2WSisuBY67CiIjD

Score
10/10
gandcrabbackdoordefense_evasiondiscoveryexecutionimpactransomware

Malware Config

Signatures

  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

    ransomwarebackdoorgandcrab
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 7 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-25_ac439c5a39a815402d807c989ecc7a6d_gandcrab_karagany_metamorfo.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-25_ac439c5a39a815402d807c989ecc7a6d_gandcrab_karagany_metamorfo.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3304
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1140

Network

MITRE ATT&CK Enterprise v15

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