be06af0e6c55fcad543e9ad18f72f46a8c55f35956446427a67207a33921889b

Analysis

max time kernel
149s
max time network
151s
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, 00:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
Size

60KB
MD5

e13b6372f71b660d7c42a13ed113e62e
SHA1

0373e4e605a5a10ca4aee4a5f8faaf7da6fb6176
SHA256

be06af0e6c55fcad543e9ad18f72f46a8c55f35956446427a67207a33921889b
SHA512

365293b7fe68e4890e008509c29ba975865da9a38e1ce42ab518ce3cbe4098177f4219377ec816ce5f6c0762602aca678f1353fe0342c16d9cd74e7ecd6f4889
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHOE:btng54SMLr+/AO/kIhfoKMHdi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
516	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 4560 wrote to memory of 516	4560	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	88
PID 4560 wrote to memory of 516	4560	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	88
PID 4560 wrote to memory of 516	4560	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4560
- 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:516

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
61KB

MD5
32c666f2e59518c6304041ab5d7a7658

SHA1
b2e8ae207b6c4e0dbef74400211d1d1c56a383b9

SHA256
eb995282be5524ab6d718ab4f6f406b46b6bb88d25fc102365acd6f803eef73e

SHA512
e8468f6f71b99a258244109d1ebe9c4176b1689e7212cb9f49b86a05a1424a25c616d4ba908bd82eb20c0d103053a989e21afd5c2b910d63594f04988501a2bf

Download Submit
memory/516-20-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/4560-0-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/4560-1-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/4560-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download