fd0490df7733f8f1fbec51d15001d61298382a7d140a39016171525615edf953

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2024 13:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe
Size

42KB
MD5

67ee01fe087cb700f2a0007a54a9b521
SHA1

fe00bbcceda2d4a087450d119bb94deeda026844
SHA256

fd0490df7733f8f1fbec51d15001d61298382a7d140a39016171525615edf953
SHA512

70a649e62ed4be0051c44fb3449c1e316a8c098691b5300f0a8c0b27c051647428558bf595e27f193f2843aec8c77642c85fa8b5427f5b6ddc7b858527878b44
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2XU:V6QFElP6n+gMQMOtEvwDpjyaHaXe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x001000000002315e-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x001000000002315e-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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2560	asih.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 2268 wrote to memory of 2560	2268	2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe	85
PID 2268 wrote to memory of 2560	2268	2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe	85
PID 2268 wrote to memory of 2560	2268	2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_67ee01fe087cb700f2a0007a54a9b521_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2560

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\asih.exe

Filesize
42KB

MD5
061281cb1ef9a2b090a2312c578a2c33

SHA1
df954a675ecac68b98e3841cdc3ccfbe1fdff7df

SHA256
dcaaf91a45b7632543c11bbbf69dfc317d54465a4d930cf97d58403acdf4dbbd

SHA512
faa57a551493fe28d7d0647672644214bc628110d2fa1438e12ba3a18469a54c2c41873893c503329b7222f25e765f8104b3fa178bdac8b37efe9d6aba577a03

Download Submit
memory/2268-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2560-18-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2560-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download