94148ae362e0b6df9b71a09d64a642782f22ca393467b1821101a0f0c543a717

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 02:34

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General

Target

2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe
Size

46KB
MD5

ee97200c301723508576588c912c6371
SHA1

ceee0b7b65332f42fdab7098a96ab21a5969aa37
SHA256

94148ae362e0b6df9b71a09d64a642782f22ca393467b1821101a0f0c543a717
SHA512

ad9a0a7e5c8eff7b5a87d29b0ce2890fd0edd57bd08c0977dc2ec0311e674e6d7b8fdf939f5a09e792e2ef0dc9bd955eba176708244cdc8ed14a3e6ebaffb3f3
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3jJ1:bm74zYcgT/EkM0ryfjd33

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	hasfj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 1800	4144	2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe	86
PID 4144 wrote to memory of 1800	4144	2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe	86
PID 4144 wrote to memory of 1800	4144	2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_ee97200c301723508576588c912c6371_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1800

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
46KB

MD5
f45d8046ab23c36a843e4e52efc1ace7

SHA1
51eab68d223fd216419a81aec594364837a6f456

SHA256
d813bb9847d3c70aad7acb65375834d39e975f5bb3421100ed842b6ae7180c7a

SHA512
399dd6e6754ea589ea9a4c3f95145c808877557a56e8e70e29daffb0f5f494d2c05dab01fe81798eeeb3591b823e6b0a0e1ebf10485f6522756ddbe9dd340c77

Download Submit
memory/1800-19-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1800-20-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/1800-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4144-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4144-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4144-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4144-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4144-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download