2c74a1a4cc5e9bcff7acf02369ab534555498dad4674be3914f0ea5cccd11fca

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, 06:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe
Size

44KB
MD5

8e5faa327edeb92e8b13f9faa5de8b16
SHA1

e1f7c5e1ea91d45c6d4bc3cd2d41148bdb8ebfc4
SHA256

2c74a1a4cc5e9bcff7acf02369ab534555498dad4674be3914f0ea5cccd11fca
SHA512

98f770b336191390075e5195a69ccbfb1280583cf0f2eecf1eab6723c71c29ff41e2e28c9618faf9efb56774ae7e1ba065b4d7af46cc8872125eebe1ab221900
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkpR4:vj+jsMQMOtEvwDpj5HW5Iiq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001ebc7-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001ebc7-12.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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
64	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 3932 wrote to memory of 64	3932	2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe	90
PID 3932 wrote to memory of 64	3932	2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe	90
PID 3932 wrote to memory of 64	3932	2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_8e5faa327edeb92e8b13f9faa5de8b16_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:64

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
44KB

MD5
3688ba9c04dd70ef49a62b629da16054

SHA1
358ab85ea68ab86806e3ae545f9a599cfca481dc

SHA256
1e44e011e29ff9d3e2b994c5675049a94090ddaa9c38cafd456abe9f461e4c8c

SHA512
131fb9862502ecb6031396ff1f5b653c98e3a4153bc9c916c796d53c7a41df639665f4a7d772f5538c1513988bcb728a4d168de337136fe7b49dcfd69eb82e15

Download Submit
memory/64-17-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/64-23-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3932-0-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3932-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3932-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download