46a18957a933a933059c16c3688487cc116ae54974a7290c408454c312e66eb3

Analysis

max time kernel
148s
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
04-06-2024 04:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe
Size

37KB
MD5

4bedb4513d96f50a206e1482450d502e
SHA1

eee1d4ece1e0e9d13c6a7008d0b33359e4bf7649
SHA256

46a18957a933a933059c16c3688487cc116ae54974a7290c408454c312e66eb3
SHA512

ab96e7ba7fbfe439a268232df034e83229f9e74d30021cbb0db2018a7be60a6e64c559b0f6e84f5d678bee8e0a0fffc3a689d8e377b5ec9d69c6c4671b1e5059
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qvoLUZ61VSl3A:btB9g/WItCSsAGjX7r3BTmUQ1VmC0O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023438-12.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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
532	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 1276 wrote to memory of 532	1276	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	82
PID 1276 wrote to memory of 532	1276	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	82
PID 1276 wrote to memory of 532	1276	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  PID:532

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\gewos.exe

Filesize
37KB

MD5
b595429ad4177dbb38397d7e50694914

SHA1
d8dd9f8a6fd10877ba1a8345a3bd161b8a1aa7cd

SHA256
b6bbef1b5afb4f8990b78d17b0fbc4579662452eaf7c3b5f63082391b2db586a

SHA512
bba16dea350e4f78c97e1ac71d3cd5699ba6ad108637b759ab4d86b8d2ba9f42f6380959fb5081ea3187303f2c0e3c536a37078fad892261c1d6495c54e2bb3f

Download Submit
memory/532-25-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1276-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1276-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1276-8-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download