Overview

overview

10

Static

static

3

69cc0a7217...18.exe

windows7-x64

10

69cc0a7217...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    69cc0a7217c5ef6dde83fcd4947bf120_JaffaCakes118

  • Size

    732KB

  • Sample

    240724-b7fzrs1dpl

  • MD5

    69cc0a7217c5ef6dde83fcd4947bf120

  • SHA1

    32e008555daa9c23fa229a61116b7383fd260cc5

  • SHA256

    a4e4818dd73574effe6dd5eb7a72e179c06645b76de960ae5a76ce03a92affdf

  • SHA512

    17b4540d82b7aec7a76831e62eecb0c19edc4da913d55a5245175b5eb04698d735a93d16d928f676da34ec487256f1c93abd19d13697b3809ab3f64ed180ba7d

  • SSDEEP

    12288:AOS2lSVMrG5Uz6rKfKX1qMyoBjs5n9MAmAa99OpZL0rq+M7Z3SOMVWFxCWTUhRe:AwSVvBsdeF0//aYR01q6S

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.0.16:1900

darkcomet2055.no-ip.biz:1900
Mutex

DC_MUTEX-SLCVANU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Xd7BnCHskVJA

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      69cc0a7217c5ef6dde83fcd4947bf120_JaffaCakes118

    • Size

      732KB

    • MD5

      69cc0a7217c5ef6dde83fcd4947bf120

    • SHA1

      32e008555daa9c23fa229a61116b7383fd260cc5

    • SHA256

      a4e4818dd73574effe6dd5eb7a72e179c06645b76de960ae5a76ce03a92affdf

    • SHA512

      17b4540d82b7aec7a76831e62eecb0c19edc4da913d55a5245175b5eb04698d735a93d16d928f676da34ec487256f1c93abd19d13697b3809ab3f64ed180ba7d

    • SSDEEP

      12288:AOS2lSVMrG5Uz6rKfKX1qMyoBjs5n9MAmAa99OpZL0rq+M7Z3SOMVWFxCWTUhRe:AwSVvBsdeF0//aYR01q6S

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks