cfe7d6dee20c6b6693cb93a1fd980049172778be9213439df6f6309448ea375c

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 17:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe
Size

127KB
MD5

f67e94744e1963ae2eadaaf400d22259
SHA1

83a7e3d16c2123323d7802cd393ed9932757565d
SHA256

cfe7d6dee20c6b6693cb93a1fd980049172778be9213439df6f6309448ea375c
SHA512

ac8feb9a5c9abc1cf1bb5e5f80fabdda4b2f4c3c288fbbe08e348c705ec4415e1ad4cb3d5094ac43871320d1b26f0220872316c35d948aacc9dc6f891d843145
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//jK:vCjsIOtEvwDpj5H9YvQd2RU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

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

Processes:

2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1744 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1744	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe

description	pid	process	target process
PID 2468 wrote to memory of 1744	2468	2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe	misid.exe
PID 2468 wrote to memory of 1744	2468	2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe	misid.exe
PID 2468 wrote to memory of 1744	2468	2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_f67e94744e1963ae2eadaaf400d22259_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2468

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
PID:1744

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
127KB

MD5
517bc3003a80ff082db886222c7eb565

SHA1
b9798b5b5da2ddcb8776da6ac905ca9f57e5d740

SHA256
d573b0463f5a71758ecb833ecd3ff020b0702c58928392c2b1de7d9bc0104b10

SHA512
7a1ec1c7b6bf567525b5d299c31a3edc4659516d5e21adff75496850bfd2043cf9c08dab0a6a1acb684e5f4910c84448f0440583affaa760ae94cf02a58724e6

Download Submit
memory/1744-17-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1744-19-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/2468-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2468-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2468-2-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download