9db0a09a8e35a787fee5c800aeabd195abe7f2b7e7c05c48ea4bfb1dd415d371

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 03:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe
Size

39KB
MD5

12689b2653080e6998d6004361e3bb4f
SHA1

ecb071e75f5d7dec754838893935e3fb83492d5c
SHA256

9db0a09a8e35a787fee5c800aeabd195abe7f2b7e7c05c48ea4bfb1dd415d371
SHA512

9df3cfc9fbabb73862cde3aaa95a4de01bb14310a41b9c6f3d2df32dc2e0916e6e997a86fb393e6c8b6e3d90d0536632e032cf14b580e141e8576d06f8a46cbe
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hw7:bA6YcA/X6G0W143Q7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000001e6f5-12.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-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation	2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
628	hasfj.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 1992 wrote to memory of 628	1992	2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe	89
PID 1992 wrote to memory of 628	1992	2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe	89
PID 1992 wrote to memory of 628	1992	2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_12689b2653080e6998d6004361e3bb4f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:628

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\hasfj.exe

Filesize
39KB

MD5
2a384a2528ae9097c76cff3723cd2be2

SHA1
1fec887a79899800cde941092ca1ad04014fe41d

SHA256
8a4ca713f6d8e7b5d01c278a2e22cf49274b5b2f406c0264737c3cc75da44803

SHA512
fadd9e638e11b3ffdf20ebfbea2a96ae8162399b8b6aeeb863220b1016213e63a43c0c7a12a78f4b8f30ec4660a99f052ffb88525ecf76bcce49a29e4c958b02

Download Submit
memory/628-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/628-18-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1992-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1992-2-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download