107081945d1a763fadd027b72d67e1e27b59c9bf0e27c77f59e0a28d5ff2e183

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 20:27

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General

Target

2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe
Size

60KB
MD5

4800c966f73d323198a156b7142a3027
SHA1

292fdbfbd028c1d59105ff129e9af1e9c23c7493
SHA256

107081945d1a763fadd027b72d67e1e27b59c9bf0e27c77f59e0a28d5ff2e183
SHA512

238186a71468e63e1776b8468b45c53fc50d11be6041223259a730c52578899f882e205ff24b225bc685872170f56dde644a9ab45a90ffc5dd75ceb65bcb880a
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cMFqeoYPO+lxUUeq:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lIq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002321f-12.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	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 5032 wrote to memory of 2004	5032	2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe	90
PID 5032 wrote to memory of 2004	5032	2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe	90
PID 5032 wrote to memory of 2004	5032	2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_4800c966f73d323198a156b7142a3027_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
61KB

MD5
fddfb98b4e7b136061eafb45b19b0a7b

SHA1
d00a3203ee18f1e762d2f72e88b4fe91e1eae90a

SHA256
e227e9f9001fdb0056971f14304c75e61e5049312a18ce274cabc94a81c0a36b

SHA512
2005ae6089cb2a27d8a57c2de0caab8397fad0cc72aa20031f13e1d2be8850b05e6f71ec0ba09ed197d3d3d64f9c27e13deebc86ffc7588d47d7078e32544345

Download Submit
memory/2004-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2004-20-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/2004-19-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2004-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/5032-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/5032-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/5032-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download