c735e44f751a6658645bed3a587503f4fb2d9343eb7d5637e5334dccfc37b672 | Triage

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Overview

overview

Static

static

2024-04-19...er.exe

windows7-x64

9

2024-04-19...er.exe

windows10-2004-x64

9

Sharing

General

Target

2024-04-19_cf623d696e7623d88bf50fcc5863267d_cryptolocker
Size

42KB
Sample

240419-e5vlxshh6w
MD5

cf623d696e7623d88bf50fcc5863267d
SHA1

7bc5cc5ebb1ec8265b77b4ec9dc216e7169302ff
SHA256

c735e44f751a6658645bed3a587503f4fb2d9343eb7d5637e5334dccfc37b672
SHA512

edf539546e2f9529b1c2ef2e056dad53fcd9fe2ffcbfebe40a6c2a37cc9ab0268e23b336db1fb2a0cd291bef812bc305570f227e40a6c8e1b9ab142e6d03ed74
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA0:b/pYayGig5HjS3NPA0

Score

10^/10

discovery

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

2024-04-19_cf623d696e7623d88bf50fcc5863267d_cryptolocker.exe

Resource

win7-20240215-en

windows7-x64

7 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-04-19_cf623d696e7623d88bf50fcc5863267d_cryptolocker.exe

Resource

win10v2004-20240412-en

windows10-2004-x64

5 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-04-19_cf623d696e7623d88bf50fcc5863267d_cryptolocker
- Size
  
  42KB
- MD5
  
  cf623d696e7623d88bf50fcc5863267d
- SHA1
  
  7bc5cc5ebb1ec8265b77b4ec9dc216e7169302ff
- SHA256
  
  c735e44f751a6658645bed3a587503f4fb2d9343eb7d5637e5334dccfc37b672
- SHA512
  
  edf539546e2f9529b1c2ef2e056dad53fcd9fe2ffcbfebe40a6c2a37cc9ab0268e23b336db1fb2a0cd291bef812bc305570f227e40a6c8e1b9ab142e6d03ed74
- SSDEEP
  
  768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA0:b/pYayGig5HjS3NPA0
Score

9^/10

discovery
- Detection of CryptoLocker Variants
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

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