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Overview

overview

Static

static

2024-04-11...er.exe

windows7-x64

9

2024-04-11...er.exe

windows10-2004-x64

9

Sharing

General

Target

2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker
Size

84KB
Sample

240411-kqdbzsbb4y
MD5

8b43dd80c07a44a43e1b5405542cffc6
SHA1

5274da1e81e25d0b4db6940debd6193ff694145f
SHA256

61353dc03901181f46ccaad082c480d0537410d55d8c8cfce6f3fb1d168f2c3e
SHA512

f05a5b6abd7221413fcdf615090d529486bc6448c6496fce0d94f7a0fa5274ee349977df3faec6a4266280285e67a4889028209a96b06a0a6ccdc06e52b7622b
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R0:T6a+rdOOtEvwDpjNZ

Score

10^/10

upx

Static task

static1

5 signatures

Behavioral task

behavioral1

Sample

2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker.exe

Resource

win7-20240221-en

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker.exe

Resource

win10v2004-20240226-en

windows10-2004-x64

8 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker
- Size
  
  84KB
- MD5
  
  8b43dd80c07a44a43e1b5405542cffc6
- SHA1
  
  5274da1e81e25d0b4db6940debd6193ff694145f
- SHA256
  
  61353dc03901181f46ccaad082c480d0537410d55d8c8cfce6f3fb1d168f2c3e
- SHA512
  
  f05a5b6abd7221413fcdf615090d529486bc6448c6496fce0d94f7a0fa5274ee349977df3faec6a4266280285e67a4889028209a96b06a0a6ccdc06e52b7622b
- SSDEEP
  
  1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R0:T6a+rdOOtEvwDpjNZ
Score

9^/10

upx
- Detection of CryptoLocker Variants
- Detection of Cryptolocker Samples
- 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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