Overview

overview

10

Static

static

10

4e02f19bb4...b5.exe

windows7-x64

10

4e02f19bb4...b5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    319s
  • max time network
    380s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 18:12

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General

  • Target

    4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe

  • Size

    730KB

  • MD5

    ac0084655df1d34155a28d530920e87a

  • SHA1

    f99959b6e41392a5471bc4b62c12d27f8f064fcd

  • SHA256

    4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5

  • SHA512

    c968952c654e09f1b21149ff7ec4954b86d37582fa6857e945d2c641fadba2403cca2f4c41fb77fd6335c38295ae0f7b6d03ee834e0c7f51d26b5ab1d5f121fb

  • SSDEEP

    12288:WmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyF8y9HMeF:WBIGkbxqEcjsWiDxguehC2S4j

Score
10/10
darkcometneshtaguest16persistenceratspywaretrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-ESB4ZP1

Attributes
  • gencode

    HaqyDFYKmGBe

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    persistencespywareneshta
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe
    "C:\Users\Admin\AppData\Local\Temp\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe
    Filesize

    689KB

    MD5

    eb61a4db626ee1a9880ecbaa25ef6c26

    SHA1

    be21b9ffd68fd76cd33214030755c89e8e36fe50

    SHA256

    84836cb1f492c45d8d95c94afb215afff4f3534e2286be85542134d6efd72963

    SHA512

    367af423be1d8647109323d3d9b54bbe5857acca40a43574ac6b0563d94f246504fb4abe83ff95fc5020054c21b8536a14ad6055d26c6e9a64882cec798db420

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\3582-490\4e02f19bb4c2354e7b758c043d85724b124faa82001d0ac989c94f63eace10b5.exe
    Filesize

    689KB

    MD5

    eb61a4db626ee1a9880ecbaa25ef6c26

    SHA1

    be21b9ffd68fd76cd33214030755c89e8e36fe50

    SHA256

    84836cb1f492c45d8d95c94afb215afff4f3534e2286be85542134d6efd72963

    SHA512

    367af423be1d8647109323d3d9b54bbe5857acca40a43574ac6b0563d94f246504fb4abe83ff95fc5020054c21b8536a14ad6055d26c6e9a64882cec798db420

    Download Submit
  • memory/4680-132-0x0000000000000000-mapping.dmp
    Download