583cc724480279e65f046a9b72c0bcc620d9920b9cbf012979ab9c20eee363e6

Analysis

max time kernel
149s
max time network
152s
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 06:39

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General

Target

2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe
Size

47KB
MD5

6e21e0791453697f7a7b7405f3d3f07b
SHA1

1e10c7d160e8adfa1805508071ce376f2160857c
SHA256

583cc724480279e65f046a9b72c0bcc620d9920b9cbf012979ab9c20eee363e6
SHA512

009fb199d99219f4ff0fea906abe082d4fad20d91e86027b95da05bacb8063936aff6e4a9ac4712cdf3d5076e5fdb1c597ae3eb9f1782944ada3bf934d32cfb6
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAM:P6QFElP6k+MRQMOtEvwDpjBQpVX8AM

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1612	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	2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_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 4504 wrote to memory of 1612	4504	2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe	84
PID 4504 wrote to memory of 1612	4504	2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe	84
PID 4504 wrote to memory of 1612	4504	2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_6e21e0791453697f7a7b7405f3d3f07b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504
- 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:1612

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\asih.exe

Filesize
48KB

MD5
bfad21cae6ccc5d6d4e8483e53c6915f

SHA1
300d847bba3532bbde184bdc874539721b854872

SHA256
c87bc46638fb19ea0f13d3c976b52f2aad0e2e19e828b219f80968cbd09788ac

SHA512
52bfec3dd56f683b9a533dcca431479e6e9891d7684f3c2b15206849a0be14ca3907449ecf23abd99f3179b872f72c0abe8e6f86e29da900529567d32b4b67e3

Download Submit
memory/1612-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1612-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1612-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4504-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4504-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4504-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4504-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4504-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download