127aff7d8ce261554ab77620b500fe9d5ce281f1b66060cc38506db9cc74b338 | Triage

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Overview

overview

Static

static

7

00c30654bc...18.exe

windows7-x64

00c30654bc...18.exe

windows10-2004-x64

Sharing

General

Target

00c30654bc5cf9bba373b11a95c26cf9_JaffaCakes118
Size

584KB
Sample

240426-pj17pacc4x
MD5

00c30654bc5cf9bba373b11a95c26cf9
SHA1

e63c213a839f1d064bf91fdb273558ffac965103
SHA256

127aff7d8ce261554ab77620b500fe9d5ce281f1b66060cc38506db9cc74b338
SHA512

b92929b2d876e081345382d3c4ee4433003c8dae1790e108c77ded65a706b7bba0f71a4e3e52efee47cd571a7590c3884246c984030091120c5153d842ef34a1
SSDEEP

12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlE:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW3

Score

10^/10

aspackv2 persistence ransomware

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

00c30654bc5cf9bba373b11a95c26cf9_JaffaCakes118.exe

Resource

win7-20240220-en

aspackv2 persistence ransomware

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

00c30654bc5cf9bba373b11a95c26cf9_JaffaCakes118.exe

Resource

win10v2004-20240419-en

aspackv2 persistence

windows10-2004-x64

9 signatures

150 seconds

Malware Config

Targets

- Target
  
  00c30654bc5cf9bba373b11a95c26cf9_JaffaCakes118
- Size
  
  584KB
- MD5
  
  00c30654bc5cf9bba373b11a95c26cf9
- SHA1
  
  e63c213a839f1d064bf91fdb273558ffac965103
- SHA256
  
  127aff7d8ce261554ab77620b500fe9d5ce281f1b66060cc38506db9cc74b338
- SHA512
  
  b92929b2d876e081345382d3c4ee4433003c8dae1790e108c77ded65a706b7bba0f71a4e3e52efee47cd571a7590c3884246c984030091120c5153d842ef34a1
- SSDEEP
  
  12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlE:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW3
Score

10^/10

aspackv2 persistence ransomware
- Modifies WinLogon for persistence
  persistence
- Renames multiple (91) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops autorun.inf file
  Malware can abuse Windows Autorun to spread further via attached volumes.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

Execution

Persistence

Boot or Logon Autostart Execution

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Winlogon Helper DLL

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Replication Through Removable Media

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

aspackv2persistenceransomware

behavioral2

aspackv2persistence

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