Overview

overview

10

Static

static

10

JaffaCakes...aa.exe

windows7-x64

10

JaffaCakes...aa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_6e5e0e02814693528ce44ad6cafa2faa

  • Size

    636KB

  • Sample

    250103-wby6pavqg1

  • MD5

    6e5e0e02814693528ce44ad6cafa2faa

  • SHA1

    65f961c23359930e1bd2817e7b5e857639731342

  • SHA256

    88bd9986eb228219871454f408a410142dcc5c678d4a0dbd680fba43653b9e76

  • SHA512

    8c1bdcd0ee4a8bbc211af302dab36e38a453cc2a58afa6085a601bb100285c5713ef3869ca1e5547696800c75d873d8099b5378b1509c6f5d105ef0d696ae04c

  • SSDEEP

    12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/q:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXnS

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_6e5e0e02814693528ce44ad6cafa2faa

    • Size

      636KB

    • MD5

      6e5e0e02814693528ce44ad6cafa2faa

    • SHA1

      65f961c23359930e1bd2817e7b5e857639731342

    • SHA256

      88bd9986eb228219871454f408a410142dcc5c678d4a0dbd680fba43653b9e76

    • SHA512

      8c1bdcd0ee4a8bbc211af302dab36e38a453cc2a58afa6085a601bb100285c5713ef3869ca1e5547696800c75d873d8099b5378b1509c6f5d105ef0d696ae04c

    • SSDEEP

      12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/q:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXnS

    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

    • 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.

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • 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

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks