e4bf02569f6c4112b06ab4f90285680ca8c2c9de9e7f92c845bfe29d71abc35f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 03:09

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General

Target

2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe
Size

43KB
MD5

b6103c47e79c6ccfa9f4f2f2cada4752
SHA1

1dc79ba3dca38693c7970c12bb5cf0f6c0195a3d
SHA256

e4bf02569f6c4112b06ab4f90285680ca8c2c9de9e7f92c845bfe29d71abc35f
SHA512

a26f614cad28fe65c124d02f224962282b9d1e157a9bd4b292ea4850ee5757db40b249038a296d1ab4fdd6a19b76ea7f7ab6c03cab561cbb2edc387de41d8774
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCIa:bA6YcA/X6G0W143Q0

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
628	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	2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_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 2936 wrote to memory of 628	2936	2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe	86
PID 2936 wrote to memory of 628	2936	2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe	86
PID 2936 wrote to memory of 628	2936	2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_b6103c47e79c6ccfa9f4f2f2cada4752_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:628

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\hasfj.exe

Filesize
43KB

MD5
4ef922bcd76350beef2bb892cc19e59d

SHA1
0ebff2c12aad990837d032248cd3d4c8dcb9b070

SHA256
ecb2f68649b5a3e2e09696bf40ecde527d4f09e4daf7e1ce88b703049e97a813

SHA512
e3e27516777ef7911024be5a8aee39cc10cb9d25cd512232f177d87c18eb86999eb17fd9834c19477ae6d2a9474994e03ae6b019ba08eac09ac5e093de545f2d

Download Submit
memory/628-17-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/628-23-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/2936-0-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/2936-1-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/2936-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download