Overview

overview

10

Static

static

3

JaffaCakes...bf.exe

windows7-x64

10

JaffaCakes...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_6213e41a15ae74c8b5f502fdca12bebf

  • Size

    740KB

  • Sample

    250102-cvmr8ayjgx

  • MD5

    6213e41a15ae74c8b5f502fdca12bebf

  • SHA1

    afb0a9001eb83164d36d85b1df8ffbfaa5979c2b

  • SHA256

    467133ae0674f7f6b6d5f2f4f788118b88aa1c09f3c966826b9ade5b4f2379fc

  • SHA512

    17c5a27a27a71a95db39e1b626da3c898a298bdfce54b072926a1a556800493d3e316c36b3c0f9d27a065dff16ba078ffc89dcf379ce519b4d7fc9b30be61538

  • SSDEEP

    12288:MXkXyENrDviHr24/zBKD19kyGWpeo8eLbbVRJgPg6396tGXpAbHLDwYQ9bkU4Nu:QUxrDva7BKDLkyGWpueLOuRrLK9leu

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_6213e41a15ae74c8b5f502fdca12bebf

    • Size

      740KB

    • MD5

      6213e41a15ae74c8b5f502fdca12bebf

    • SHA1

      afb0a9001eb83164d36d85b1df8ffbfaa5979c2b

    • SHA256

      467133ae0674f7f6b6d5f2f4f788118b88aa1c09f3c966826b9ade5b4f2379fc

    • SHA512

      17c5a27a27a71a95db39e1b626da3c898a298bdfce54b072926a1a556800493d3e316c36b3c0f9d27a065dff16ba078ffc89dcf379ce519b4d7fc9b30be61538

    • SSDEEP

      12288:MXkXyENrDviHr24/zBKD19kyGWpeo8eLbbVRJgPg6396tGXpAbHLDwYQ9bkU4Nu:QUxrDva7BKDLkyGWpueLOuRrLK9leu

    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.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

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

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks