67820382ec8dc58ccad908ec72600203f078f9b5ae36a068496eddc7b14a0611

Analysis

max time kernel
148s
max time network
151s
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, 15:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe
Size

45KB
MD5

e1928dec9520a6fe22f6c1dcfa1d47d1
SHA1

07fbaec4f977bb21a029448b66167b6b678eafca
SHA256

67820382ec8dc58ccad908ec72600203f078f9b5ae36a068496eddc7b14a0611
SHA512

431fd2a135c3aad9a94d75bc74b640aafe15a953240c8ddc333c1b90e4ba827242e81d7eb75b33f32f4bed94922238ac75d1c5f30cd7e1910f3c6c41acb2d1eb
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1ws3:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1J

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023144-13.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-1-5-21-1392040655-2056082574-619088944-1000\Control Panel\International\Geo\Nation	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	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 400 wrote to memory of 4624	400	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	86
PID 400 wrote to memory of 4624	400	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	86
PID 400 wrote to memory of 4624	400	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:400
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4624

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
45KB

MD5
4614bf97628dddfd14550f000210c556

SHA1
26743af57ed56ba475d20773a42a320a9f9a47c5

SHA256
bb7bb2b3fe240f5d90359fd1baa90e217b347ef93f33bc0f172befc88bd01416

SHA512
5f0373792de1c0a397376c010823981e0c2fc09b6a916a8925c2b06c524f752266986ae50075354b8aaebce52a51dc5ae1ec2065465f6a869d089f6305e04768

Download Submit
memory/400-0-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/400-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/400-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/400-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/400-17-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/4624-21-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4624-19-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download