Overview

overview

10

Static

static

10

a80d9f57d4...18.exe

windows7-x64

10

a80d9f57d4...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a80d9f57d44c84cd334d5ee47e8e4c99_JaffaCakes118

  • Size

    293KB

  • Sample

    241127-qnlhga1qbj

  • MD5

    a80d9f57d44c84cd334d5ee47e8e4c99

  • SHA1

    7cd82e1a5b713c0500b19660ed7f5f172f0b2e1c

  • SHA256

    61ab7b39c2dbfbd774a8f248bb82e01b7bf561cc33f1b9650f24d9c87661545f

  • SHA512

    213436f307ccabbca79796d44c43ef7c01e6eb177089d7f0ca98bbf60a8db9e1d0e9af42021a234d67ce97f7dac6371cd60e82236f76d4f011320d9b88ae0c03

  • SSDEEP

    6144:yz+ZIja7JiVzDfdUITRilQ37imhVltGNPl4/fRq4vTBxvVjk5CKO/:yz+4KMVzDfrTRYQ3+WltCiHE4vTB3cw

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      a80d9f57d44c84cd334d5ee47e8e4c99_JaffaCakes118

    • Size

      293KB

    • MD5

      a80d9f57d44c84cd334d5ee47e8e4c99

    • SHA1

      7cd82e1a5b713c0500b19660ed7f5f172f0b2e1c

    • SHA256

      61ab7b39c2dbfbd774a8f248bb82e01b7bf561cc33f1b9650f24d9c87661545f

    • SHA512

      213436f307ccabbca79796d44c43ef7c01e6eb177089d7f0ca98bbf60a8db9e1d0e9af42021a234d67ce97f7dac6371cd60e82236f76d4f011320d9b88ae0c03

    • SSDEEP

      6144:yz+ZIja7JiVzDfdUITRilQ37imhVltGNPl4/fRq4vTBxvVjk5CKO/:yz+4KMVzDfrTRYQ3+WltCiHE4vTB3cw

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    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