Overview

overview

10

Static

static

3

jaffacakes...d6.exe

windows10-2004-x64

9

jaffacakes...d6.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118_4b8b34ad49361629a7f179dc536a6a2903d0dd5b2a80f1985338b5c72f2bf5d6.bin
  • Size 3.6MB
  • Sample260910-rfmagaysgt
  • SHA256 4b8b34ad49361629a7f179dc536a6a2903d0dd5b2a80f1985338b5c72f2bf5d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionpersistence

Malware Config

Targets

    • Target
      jaffacakes118_4b8b34ad49361629a7f179dc536a6a2903d0dd5b2a80f1985338b5c72f2bf5d6.bin
    • Size 3.6MB
    • SHA256 4b8b34ad49361629a7f179dc536a6a2903d0dd5b2a80f1985338b5c72f2bf5d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistence

    • Modifies security service

      defense_evasion

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      defense_evasion

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • 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.

    • Disables service(s)

      defense_evasionexecution

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      defense_evasion

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Adds Run key to start application

      persistence

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Process Discovery

1
T1057

Query Registry

4
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

2
T1489

Tasks