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Overview

overview

Static

static

2024-05-09...er.exe

windows7-x64

9

2024-05-09...er.exe

windows10-2004-x64

9

Sharing

General

Target

2024-05-09_81f294bec83d13ba4ddd822fb13e4e2e_cryptolocker
Size

72KB
Sample

240509-r5myasfb3z
MD5

81f294bec83d13ba4ddd822fb13e4e2e
SHA1

85de66107ab8a7e028e952aaa3d2e105fabf002f
SHA256

47dd57afebbda0b8d76470d772db62d13619ccc0d197487a87e875bcaeb9da83
SHA512

16e822443c10b74adfca4450626d9cc8625bc5741d5c15f0ecb4d71c8af9e2dac558f94101792b2324f732910e418afadf11630b4aab159c3c3c606f4ac2e0d5
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97:C4Q2c94OtEvwDpj4H8z+

Score

10^/10

upx

Static task

static1

5 signatures

Behavioral task

behavioral1

Sample

2024-05-09_81f294bec83d13ba4ddd822fb13e4e2e_cryptolocker.exe

Resource

win7-20231129-en

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-05-09_81f294bec83d13ba4ddd822fb13e4e2e_cryptolocker.exe

Resource

win10v2004-20240426-en

windows10-2004-x64

9 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-05-09_81f294bec83d13ba4ddd822fb13e4e2e_cryptolocker
- Size
  
  72KB
- MD5
  
  81f294bec83d13ba4ddd822fb13e4e2e
- SHA1
  
  85de66107ab8a7e028e952aaa3d2e105fabf002f
- SHA256
  
  47dd57afebbda0b8d76470d772db62d13619ccc0d197487a87e875bcaeb9da83
- SHA512
  
  16e822443c10b74adfca4450626d9cc8625bc5741d5c15f0ecb4d71c8af9e2dac558f94101792b2324f732910e418afadf11630b4aab159c3c3c606f4ac2e0d5
- SSDEEP
  
  1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97:C4Q2c94OtEvwDpj4H8z+
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

Modify Registry

Subvert Trust Controls

Install Root Certificate

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

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