93c44feb0f46024af14a36a5c8ee03297ef47b324eb27f2fac638fe9732906b6

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 18:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe
Size

47KB
MD5

3f85fce10af7ae89de57e3701859068a
SHA1

8d9e1c8c3e17b815a10d73a7389ee652f119ec4e
SHA256

93c44feb0f46024af14a36a5c8ee03297ef47b324eb27f2fac638fe9732906b6
SHA512

26d29457674c29c148925d1cf9175e343618ba624194668d96b06bb520ea5a4c19c10ed66354b377ddf5e275f7b969ed7fa1933fbc4b61a2d8bc0b9297b7d7bc
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKlL:bgGYcA/53GAA6y37Q6dI+L

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0002000000022775-12.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1272	hasfj.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 3548 wrote to memory of 1272	3548	2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe	88
PID 3548 wrote to memory of 1272	3548	2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe	88
PID 3548 wrote to memory of 1272	3548	2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_3f85fce10af7ae89de57e3701859068a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1272

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\hasfj.exe

Filesize
47KB

MD5
93bcc2512a176ba4072192b3d0125c41

SHA1
bd4dc6773a7beb01531caf7fefa74e0b38251d31

SHA256
3e8f729d18df864026c4f72a0d97fd9d6c7c90fe8e5b9c6c08dc1feb3bd81cdc

SHA512
0452cc571ed6e845c14623ac172e11a28a2475ee784f01d7e6632fcb23d6b77f33c2298a725956c972148193343ede8b0f064fe023860daddf79abf07b2b03fc

Download Submit
memory/1272-19-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1272-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3548-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3548-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3548-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download