62b9f4c1412db1b2c729ba1e31e1bcbb3d68bfb87a53f1c89b09b0bd9ad3ecbc

Analysis

max time kernel
93s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-02-2024 03:44

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General

Target

2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe
Size

34KB
MD5

3693937de6d6280132d6c19d1d23a218
SHA1

1b6ed901bf904b79c3932d57651df033f525c78d
SHA256

62b9f4c1412db1b2c729ba1e31e1bcbb3d68bfb87a53f1c89b09b0bd9ad3ecbc
SHA512

7ecaff1e3dc4a15fb573591d36b328b1de07bc839a88580d53a3bebe3095aa266cf32a82172213d089f92a79c1c8da5523000a98ffd7f9d440f6b2239cec85aa
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qp:btB9g/WItCSsAGjX7r3BTp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e980-12.dat	CryptoLocker_rule2

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3208	gewos.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 4344 wrote to memory of 3208	4344	2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe	90
PID 4344 wrote to memory of 3208	4344	2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe	90
PID 4344 wrote to memory of 3208	4344	2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_3693937de6d6280132d6c19d1d23a218_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4344
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3208

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\gewos.exe

Filesize
34KB

MD5
46568c3c6cb8c77ced0fff5986953175

SHA1
babd1ba3b680b017438d29600a9790b807931f94

SHA256
28272891148191167d709908d8c5db0317a58f5a2d491c504331a29d27760636

SHA512
6112e4398e7a7b2c76c063f723b096bf846feb00cd42588131747eeb985303cd97cb089ceca7fdfea81c54d13b03ea07b1fbed57878a603fc0f19e674cc29ccb

Download Submit
memory/3208-19-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/4344-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/4344-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/4344-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download