6895ceec0deea473bc2bbca66b729f9cf7d4404f9dc9423867c3ebaab95436e4

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 06:28

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General

Target

2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe
Size

41KB
MD5

8777f93c32c091df08c74188110e243d
SHA1

d52c8e87a2cf75ea7455d5fdc34c2d4fb2de8fff
SHA256

6895ceec0deea473bc2bbca66b729f9cf7d4404f9dc9423867c3ebaab95436e4
SHA512

52a0eb709e3bd3bfb27e36e8d595d5874347a8f29cd0b0581f7f35fe9cf7ee48ad9c9a5604ce3c7edf52758c01cbf3462a0df511048cad462f4244b4e32c5d78
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCRB:bA6YcA/X6G0W143QI

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4304	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	2024-09-27_8777f93c32c091df08c74188110e243d_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 1824 wrote to memory of 4304	1824	2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe	82
PID 1824 wrote to memory of 4304	1824	2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe	82
PID 1824 wrote to memory of 4304	1824	2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_8777f93c32c091df08c74188110e243d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1824
- 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:4304

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
41KB

MD5
652f1b717239320c18273c036d6c8531

SHA1
54ec2269149aa2d890edcb9f3d0cad359dc50f64

SHA256
bc450b4efb7f15ccec03766f363041b019a401e3254baa9851fdb1c728824cf7

SHA512
880e23ba2506084abd7749f1534d0464c7670cb61ebc8a1a2f4644e82f7e0a1817ee6ecea54b11372c59e7e6ed9c4e1eb1afa79db66dd1ced28015c8a5baedd1

Download Submit
memory/1824-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1824-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1824-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4304-21-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/4304-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download