f5985d71b178f984384b5efb618b6728c48f7f15d6b7b2a21d418a7fc2df1782

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 15:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe
Size

56KB
MD5

c1427c68f601470fcde113eb815c78b9
SHA1

63c0ead082e102b8c41d88950d0d86bdb28a617d
SHA256

f5985d71b178f984384b5efb618b6728c48f7f15d6b7b2a21d418a7fc2df1782
SHA512

02b58512383fad7fe8b3fe6fd420680e740b3d0312c82bbf99262df1a351bd88fb9582c15467b98b6ac0adb191c597f765b4b4d9716a347b4dfc573f65a7b69e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4Nr:vj+jsMQMOtEvwDpj5HH1nw73KOFiAr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001db0e-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001db0e-12.dat	CryptoLocker_set1

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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
408	misid.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 1340 wrote to memory of 408	1340	2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe	84
PID 1340 wrote to memory of 408	1340	2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe	84
PID 1340 wrote to memory of 408	1340	2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_c1427c68f601470fcde113eb815c78b9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:408

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\misid.exe

Filesize
56KB

MD5
92dc0d050f01f0704cbbea6c478879e6

SHA1
6c64c5d1928946ca67475f7520be8587f12e1deb

SHA256
1146a5cc5f1b1611bba3561247ace3d21b2f452378bb671d8de2e705ed92b705

SHA512
68f9436fe56577fabe488ff1b5a8c1c87c0f936170e14beb5acd12eadaaae4d066a057662e5cf86668bcc59a701d8c6cd9622e624d268b04b4ebd07fb26ae117

Download Submit
memory/408-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/408-20-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/1340-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1340-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1340-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download