7c183f5f2428acc53a0cc5a404fcb1e6f235a4a43d18d3d657d65871f511ba0a

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 22:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe
Size

62KB
MD5

6fd2726dbfd69a039eed86773e8fe465
SHA1

3e0a0d3c887e103de92dc6a2b0afe2db96403b74
SHA256

7c183f5f2428acc53a0cc5a404fcb1e6f235a4a43d18d3d657d65871f511ba0a
SHA512

2aa492e38c2bac464221ac67243bc3adf849826e48c7d5a6f9caa8acd412b1d101b5c3f3b11b8496628ded2f422fdb688b0a59cdfa72caeb98c4d2c87bf13260
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1A:vj+jsMQMOtEvwDpj5Hy7B3gG8xzUm0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023232-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023232-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\Control Panel\International\Geo\Nation	2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4404	misid.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 4404	836	2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe	88
PID 836 wrote to memory of 4404	836	2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe	88
PID 836 wrote to memory of 4404	836	2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_6fd2726dbfd69a039eed86773e8fe465_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
62KB

MD5
703f7cb96739280a5d32a5380f524fd0

SHA1
9e8766cd36a614273b58b24463ffbb9df3870bff

SHA256
41d26f75b158402d6a770feadd8588a82397a357f179f484ff4471e111c150d8

SHA512
c85b63942a7ad1a42f03335fbc300ec17377cc3778e739e351e1523bd48ce8ca687e471dae7315eba96ec5842b475af6ee0840550e1be5d4136c5ce96c422eca

Download Submit
memory/836-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/836-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/836-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4404-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4404-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download