d92cd82337781f63ba6de39cadb4741ab0318c837e178401dcd98420239d77e8

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 04:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe
Size

50KB
MD5

6a400528d71b3a0c4897c5d0ac0432c9
SHA1

999ffd49fa0ddf156b15fbeaa640f3bb4f4dcae9
SHA256

d92cd82337781f63ba6de39cadb4741ab0318c837e178401dcd98420239d77e8
SHA512

b47a64cdd7847ed99343ec3b709d64ada2a336fb2eabd1da9e276806918016f6b219238f1aa4ea664c690e26162a20a54f3f5294e38b4cef11d03d3d379bc97d
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjattSO:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023289-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023289-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	hurok.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 4768 wrote to memory of 2492	4768	2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe	82
PID 4768 wrote to memory of 2492	4768	2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe	82
PID 4768 wrote to memory of 2492	4768	2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_6a400528d71b3a0c4897c5d0ac0432c9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2492

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\hurok.exe

Filesize
50KB

MD5
13e56077371370296c552a9b0516652e

SHA1
3f015e5a1d2925be32b543be88293a11fc9f32a5

SHA256
ecc360a92158f7a39238dc584ae83907ec0dd14aeeb4f46be1a331cf9af8a0f9

SHA512
27b65a7339fa36466e12442ea5c695fdcbcbde2a432d97e923f28a75994c61dd3269d6c3b1e098afe9ae15dd0afc1a03156c75ff9176e56c6cfcdb4467e564c2

Download Submit
memory/2492-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4768-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4768-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4768-8-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download