5c095dfcaabd0f9a289887de204e07cad5575ac5b895888738af5fc6cdb21d37

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 01:27

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General

Target

2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe
Size

126KB
MD5

0e48bf5aaf5ec6fb1d2150629ca5a182
SHA1

8164ab5e246fe778c120f8e631c802f0f8f33a5a
SHA256

5c095dfcaabd0f9a289887de204e07cad5575ac5b895888738af5fc6cdb21d37
SHA512

4e504e9631aad72ed715e0248373eb1283e6d9e7989c06d15fceebe6296cc06ed9a4f47cd8258ada0450cc446235338ab4d36174011cd463b8a57e0a8f60637c
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVST:vCA9OtEvwDpjU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	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 3372 wrote to memory of 2720	3372	2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe	88
PID 3372 wrote to memory of 2720	3372	2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe	88
PID 3372 wrote to memory of 2720	3372	2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_0e48bf5aaf5ec6fb1d2150629ca5a182_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2720

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
79618806e6ae3b42e04b5e5f27a5d8a5

SHA1
1ad88b8a9465e2da7def00c880c8f505c7b58f70

SHA256
1e508f2d2a75b599b9b24171c3e683e351e232d15a488e36fcbd13b442c012e5

SHA512
80a1321fd1e4184314924b2a7f8d523394f286134045e3f57c7ef5000b613ce4bc2403f42ee13d652bc5e81db486360b8af13fe1428b16804bfc3106db3a4f20

Download Submit
memory/2720-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2720-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3372-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3372-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3372-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download