f64fc5d2209b5888ad0496123597028d2885a2239f70f412ba250e6dc4d08bfe

Analysis

max time kernel
92s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2024, 20:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe
Size

31KB
MD5

7000f6a08eb55db265b1f1c2ad82829d
SHA1

b9959b5380086e17aae03f0a7b530c3b0dc88c04
SHA256

f64fc5d2209b5888ad0496123597028d2885a2239f70f412ba250e6dc4d08bfe
SHA512

67cf2bea1d345224f8257cf35fc6240e389ed25848f8d585e56e28b9db12ca17efc99bf7bc9a421d75ce100759d49fad5a65ff144c3eac0ea426452dead9e47f
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qtg:bAvJCYOOvbRPDEgXRc+Btg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002321e-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-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
448	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 4852 wrote to memory of 448	4852	2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe	87
PID 4852 wrote to memory of 448	4852	2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe	87
PID 4852 wrote to memory of 448	4852	2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_7000f6a08eb55db265b1f1c2ad82829d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4852
- 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:448

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
31KB

MD5
72f3388ecbb9717cc004a27347ac9058

SHA1
3d436a1229b05cdffc1b85dca5948d3442687730

SHA256
df010f83613501fdf4b6c9f4e4b47d39d7c26ab15d94ab8d27104b7beeff658c

SHA512
62f47d0e5286e3a5caa739b4d9b27babce7093d194bc3f89e2c9a6be1471bd2846027c96182f2fc0daf8ae6de2cd417347af0a22447aec5b87fc09c0e85c4aeb

Download Submit
memory/448-20-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4852-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4852-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4852-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download