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Overview

overview

Static

static

2024-05-30...er.exe

windows7-x64

9

2024-05-30...er.exe

windows10-2004-x64

9

Sharing

General

Target

2024-05-30_734e66041844aeaea9485bfb7839026b_cryptolocker
Size

52KB
Sample

240530-22xy7sdc4z
MD5

734e66041844aeaea9485bfb7839026b
SHA1

a8d2cca6fe148c6427f14f0c63f15b15ed647d2f
SHA256

9af8eb84827a3098ae2263bce4496904208c3b20f0fc093e7753fa2f9c161b65
SHA512

f16f25daee5800cdb715aaa488a2840e0f0ead1c19aeb3fd42c860d503254a784f4b804adf786f91433f9085f82c79fe14458dbf8c34dc12a5b52f62fb71b3c5
SSDEEP

768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO2:bODOw9acifAoc+vx

Score

10^/10

upx

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-05-30_734e66041844aeaea9485bfb7839026b_cryptolocker.exe

Resource

win7-20240419-en

windows7-x64

7 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-05-30_734e66041844aeaea9485bfb7839026b_cryptolocker.exe

Resource

win10v2004-20240508-en

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-05-30_734e66041844aeaea9485bfb7839026b_cryptolocker
- Size
  
  52KB
- MD5
  
  734e66041844aeaea9485bfb7839026b
- SHA1
  
  a8d2cca6fe148c6427f14f0c63f15b15ed647d2f
- SHA256
  
  9af8eb84827a3098ae2263bce4496904208c3b20f0fc093e7753fa2f9c161b65
- SHA512
  
  f16f25daee5800cdb715aaa488a2840e0f0ead1c19aeb3fd42c860d503254a784f4b804adf786f91433f9085f82c79fe14458dbf8c34dc12a5b52f62fb71b3c5
- SSDEEP
  
  768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO2:bODOw9acifAoc+vx
Score

9^/10

upx
- Detection of CryptoLocker Variants
- UPX dump on OEP (original entry point)
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

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