4bdb0ae166d7832ba0a3285cace74c91bb27776dd9e8a1e5c27a9f7fc32839cc

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 16:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe
Size

33KB
MD5

12afc1e812ad5dc1cdc57646fe706e16
SHA1

61b4ad780cc21f072bd64643906a6ebf05502e83
SHA256

4bdb0ae166d7832ba0a3285cace74c91bb27776dd9e8a1e5c27a9f7fc32839cc
SHA512

e9aa7412ddeec52ce21b26711a7b3f108fe2bdb2128ab9ce964c390eaa211aae4f77877c9a50ab5bb5d1f4e97d9bd1a76eddca3c63bb3dfec22dc0472e68d7ec
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B1RwFtzxt1i:b7o/2n1TCraU6GD1a4Xt9bRwrbk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023145-12.dat	CryptoLocker_rule2

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4960	rewok.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 396 wrote to memory of 4960	396	2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe	84
PID 396 wrote to memory of 4960	396	2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe	84
PID 396 wrote to memory of 4960	396	2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_12afc1e812ad5dc1cdc57646fe706e16_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:396
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  PID:4960

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\rewok.exe

Filesize
33KB

MD5
47a9d4d09f58bb21ff2c094022302276

SHA1
f567717b39bc8f27cd90673a61d0372f1a2b4797

SHA256
5dad27a010eb05b9990a2712a5347d0357617007a594327fb6b8a6ce8a327708

SHA512
e97f48a3ee8c0ae06b1f7dff0af3e52e26730e9375059a31f2c98de389693109633e9de540f94c07d538b5a206452758a823646e684b9890858dc9a859308ca8

Download Submit
memory/396-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/396-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/396-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4960-20-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download