0bc398c17feb0dc8a948419b48eb013cc133e2c14bd83e27974ae394f555f377

Analysis

max time kernel
150s
max time network
150s
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, 05:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
Size

33KB
MD5

1e098a91f5deba98f586a01e2b2206ba
SHA1

5063a0c4f10761292b4eb8bf8def94ff00034b2f
SHA256

0bc398c17feb0dc8a948419b48eb013cc133e2c14bd83e27974ae394f555f377
SHA512

bc69df6db67952696e1ba387cace5fd3959003650b2b9279e542f5eafe30821564b7b32c8da18963344f3b53dce22d1e681d91cb3675412b0e4fda2dc43f9116
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuM9gxrW:bAvJCYOOvbRPDEgXRcuM9gxa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9b1-12.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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
1408	demka.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 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87
PID 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87
PID 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1408

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\demka.exe

Filesize
34KB

MD5
c412382b8f543f3d11ae17fd6e59b169

SHA1
fc00fb65d8c790fe093beb011ec0e58715c62895

SHA256
a0f7234c8e146726a9af0caaf249364badf34eefb5241f8cee4737cc74ab10fc

SHA512
89bf44da50a69b8a21568a1a80143b01db2fdcc5c742d5135359b12a12a0075826d47dd3a9d04419acf8bad41cef12cb9fa9b5ffabe2e45d6f5c646a31bf17a4

Download Submit
memory/1408-21-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4788-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4788-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4788-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download