bc53552279095c33e69f5977a82990a230e779005f70a8ee1a76db3431939db5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 04:25

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General

Target

2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe
Size

63KB
MD5

0462f86f7c39a12b553d6197ad571b7d
SHA1

7739d21af58d17282cf8e46a525a5f057c84f984
SHA256

bc53552279095c33e69f5977a82990a230e779005f70a8ee1a76db3431939db5
SHA512

79bd5a0d353fb66e954ae44ef205404079466932f6f59a809d29c787424c1393b8a8db0c9bbf50e92f69bda58bb426553a272ded5d327e8ebede54a2c840b86f
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5A/3gn:V6a+pOtEvwDpjvI

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3836	asih.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	2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 3836	3820	2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe	85
PID 3820 wrote to memory of 3836	3820	2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe	85
PID 3820 wrote to memory of 3836	3820	2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_0462f86f7c39a12b553d6197ad571b7d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3836

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

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Downloads

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

Filesize
63KB

MD5
a3b96f07178eba7d79ba56e3078f9c40

SHA1
9f45aa286d7ef3a0903d19b221e27fba33770c3a

SHA256
5a25a91623aad37a14a6d459ef1aa6c708958d692c2181fbdbd29ba1dfb43223

SHA512
3c7f972831c2e2c0a138658e98c8c5e76f4ac5012e1d32e73f8286bea174d3ddfcad8574d8fb77d383a1672b931e31fa9c391ca3f28bef826a91d8b1f456e438

Download Submit
memory/3820-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3820-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3820-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3836-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3836-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download