Overview

overview

10

Static

static

10

JaffaCakes...da.exe

windows7-x64

10

JaffaCakes...da.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_79d339df92815451fa2ecb4210e3e2da

  • Size

    659KB

  • Sample

    250104-p96j4azqcx

  • MD5

    79d339df92815451fa2ecb4210e3e2da

  • SHA1

    0f9f26177a44e4987714a0273d2706ec907bd2f0

  • SHA256

    108f1fcf4cf697a1957952d921a08b9e9c66aeef720c57e45086c2cc45e7bdf7

  • SHA512

    2cb66f6f4ca4daae6ede887c967b8acdc636a13bd65917efe5d1665f08a42dcd69cb07a3da9b0b1496b9697accb59d62018c37a6f20eeb51f1c55b1bbb5a9421

  • SSDEEP

    12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK3:XAQ6Zx9cxTmOrucTIEFSpOGO

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_79d339df92815451fa2ecb4210e3e2da

    • Size

      659KB

    • MD5

      79d339df92815451fa2ecb4210e3e2da

    • SHA1

      0f9f26177a44e4987714a0273d2706ec907bd2f0

    • SHA256

      108f1fcf4cf697a1957952d921a08b9e9c66aeef720c57e45086c2cc45e7bdf7

    • SHA512

      2cb66f6f4ca4daae6ede887c967b8acdc636a13bd65917efe5d1665f08a42dcd69cb07a3da9b0b1496b9697accb59d62018c37a6f20eeb51f1c55b1bbb5a9421

    • SSDEEP

      12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK3:XAQ6Zx9cxTmOrucTIEFSpOGO

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • 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

    • 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

6
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