dd04ef514ae0d3626878506f3c435cc20b3683b7debc83d720eea0d18c090e18

Analysis

max time kernel
159s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 21:23

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General

Target

2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe
Size

126KB
MD5

10025ddcc7ccc3db989f14826cb76a00
SHA1

44971a23aa0e78eacbd1b1eaa24fe745345f28f1
SHA256

dd04ef514ae0d3626878506f3c435cc20b3683b7debc83d720eea0d18c090e18
SHA512

24aea94831f01bdb41f0d8ad73cbf4dea7e3d311d690ede2cce32cf53e7c1cf3b5aa17c07257e2cea856e93ded2281dbd17529b4ad3e371a3b21c67c836a9ceb
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpK:vCA9OtEvwDpjO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002320d-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002320d-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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4812	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 3816 wrote to memory of 4812	3816	2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe	90
PID 3816 wrote to memory of 4812	3816	2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe	90
PID 3816 wrote to memory of 4812	3816	2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_10025ddcc7ccc3db989f14826cb76a00_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3816
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4812

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
126KB

MD5
1b83ee2a728d4742c765a8b774da7012

SHA1
5bce569456e08c5274d35ef03f8e2e7dbe39cc44

SHA256
9268fce88989e7447f6989839d70fd87da2e4817fc0df40c6256cefd41d612bd

SHA512
edf7e8b075f0ece3a63c4d9bd714fe257855ecabe4a96f48c605fccbd94cf8e0f0dc683c1acd05f148356edef169e191ff33ffd505476846d7b60407412b88bc

Download Submit
memory/3816-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3816-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3816-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/4812-17-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4812-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download