af4ded99c084700b54b618bf6ad3592486d8bf6a80e43388e427311896cd69a3

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 22:27

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General

Target

2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe
Size

38KB
MD5

150407815517c43e34164481f6242cd1
SHA1

2edd83586d0143ecaa631200815cad8e51aa4fcd
SHA256

af4ded99c084700b54b618bf6ad3592486d8bf6a80e43388e427311896cd69a3
SHA512

d57807e3519e40629350ecfafd8dcee5aae3fe6d56af9d25cb28accda669d759810149a3e4cb759a78af77a8e8ea370ce5c3c8a11600c3f72ff30cf1d69a79a7
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8P4l:bIDOw9a0Dwo3P1ojvUSDhW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012262-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1528	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 1528	2932	2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe	28
PID 2932 wrote to memory of 1528	2932	2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe	28
PID 2932 wrote to memory of 1528	2932	2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe	28
PID 2932 wrote to memory of 1528	2932	2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_150407815517c43e34164481f6242cd1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
38KB

MD5
a80c8a5f50a7d8afc6b0ffe45fe50d83

SHA1
86f1c4880ba8ddd84bbc409cf1281bdff438e33f

SHA256
81703048c262dc583e57d1fdb17bb65dc5824160e7a60f9168b5be714b65bf43

SHA512
60a3c0027c5ccc5386c25b72b7c99792cb4f38eb38a802df890b8f28bc51a53382c9e0a54c692cf332207ba74a0d550c8b5b74ac15cd065dd7f17359e60e79d0

Download Submit
memory/1528-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1528-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2932-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2932-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download