96edd92e5a118ecc622b38e6b8db78d4049199a11ace00d7907b43330c34be31

Analysis

max time kernel
150s
max time network
155s
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, 00:46

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General

Target

2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe
Size

32KB
MD5

9097ec322117868b8d91d949567621f7
SHA1

3076eb5f8957f41f0273b9fd735387681f6c5617
SHA256

96edd92e5a118ecc622b38e6b8db78d4049199a11ace00d7907b43330c34be31
SHA512

09cc66322befc4b9da36f319804360ded80c0652299273835741f68056ca829f195a0b4469a4d44a9bb1f4231a927f6ac7c12edc5d5058cb87fba28046727940
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B+wI:b7o/2n1TCraU6GD1a4Xt9DI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023224-12.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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1020	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 1012 wrote to memory of 1020	1012	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	82
PID 1012 wrote to memory of 1020	1012	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	82
PID 1012 wrote to memory of 1020	1012	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  PID:1020

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

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Downloads

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

Filesize
32KB

MD5
2aac7392719303e14229ec3ef12afecb

SHA1
68e4f076002b8469c49d3e9cfafe6b8b5447ebfd

SHA256
7bf9edab8cd21323a06b508de59a23aa1497dfd9cd4eb8198018c96189367bce

SHA512
d41d88fabe1a0c6fb9c4c916e757c1b1d0f38c267250e4eab17a5952b2fce89b6861d59622f2f953c6cfc0feb627f194b85bee6f13c150407f81920a0973076c

Download Submit
memory/1012-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1012-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1012-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1020-21-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download