6bb449d175aaa0269404fcab248e2a69b29b6ac2630905eaefacfab8bed48525

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240220-en
resource tags

arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2024, 00:24

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General

Target

2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe
Size

52KB
MD5

ad7b7a605e21410ed033b5db4030cbfe
SHA1

d2a3df0b43fd8f4f2fcc382f32ea4ebcdcc5b344
SHA256

6bb449d175aaa0269404fcab248e2a69b29b6ac2630905eaefacfab8bed48525
SHA512

f28d49cb73c331eae7b21c88644dc9077d3f4889596beaa36b5b85035676e5a0395a2e03bd23401038c5286d31a74cda2ae934441aa3318ebda1ab81a8210804
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb7:bIDOw9a0DwitDZzcT7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023216-12.dat	CryptoLocker_rule2

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-1-5-21-4123566616-543693798-272350410-1000\Control Panel\International\Geo\Nation	2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	lossy.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 5116 wrote to memory of 2056	5116	2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe	83
PID 5116 wrote to memory of 2056	5116	2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe	83
PID 5116 wrote to memory of 2056	5116	2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_ad7b7a605e21410ed033b5db4030cbfe_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2056

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\lossy.exe

Filesize
52KB

MD5
34f3fc6ecac50f879f0129df04e2ef10

SHA1
b5f2b64e2535a8d406373a4d07e0a3383d99c65c

SHA256
319ef1ab06aec824779040a4d15c99dff833b5f8b9a00570cb17ce1379bd2949

SHA512
aed16dc0d47480d00f7cacd7e529642142da480ab44d8bfa5b0b34c424f249e8aa1eac52ee6d38754a426d1c958e94dab390b2482db4a1f4d79d31ece503ebf7

Download Submit
memory/2056-18-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2056-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/5116-0-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/5116-1-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/5116-2-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download