Overview

overview

10

Static

static

10

7ff06f9b3f...5N.exe

windows7-x64

10

7ff06f9b3f...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5N

  • Size

    636KB

  • Sample

    241022-ml2vwszgpd

  • MD5

    5d99afdc7eae37f3d3c15d0afe04c6a0

  • SHA1

    00f0e1fb92389422a9e22bffd4a966e980f40990

  • SHA256

    7ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5

  • SHA512

    521919f61c1e74e881dbbcd86f8dbc2f6e3da62249b33cf5e4d2071c4eef3c9104743c50e319daad9629a4afb6953108ec776933ae13a1df551438997ccc82a5

  • SSDEEP

    12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXne

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      7ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5N

    • Size

      636KB

    • MD5

      5d99afdc7eae37f3d3c15d0afe04c6a0

    • SHA1

      00f0e1fb92389422a9e22bffd4a966e980f40990

    • SHA256

      7ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5

    • SHA512

      521919f61c1e74e881dbbcd86f8dbc2f6e3da62249b33cf5e4d2071c4eef3c9104743c50e319daad9629a4afb6953108ec776933ae13a1df551438997ccc82a5

    • SSDEEP

      12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXne

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks