221438b75b98e9ade2aa663b269857d895b1ba1bc4d0d8093aeb76791eb9ec90

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:22

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General

Target

2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe
Size

48KB
MD5

0970e5f629e1f3347ee71e4ce6771b36
SHA1

085a0d3c6e4b5587ca0fcedfe32aa604797df93d
SHA256

221438b75b98e9ade2aa663b269857d895b1ba1bc4d0d8093aeb76791eb9ec90
SHA512

908cccae077963548a7a27270f11b967a23ee6fbe1e301e580f567814dabae728e423132ae06f2c170959e7aa690f176b41e048524d367757d2b45dc9be9703f
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPyh:P6QFElP6k+MRQMOtEvwDpjBQpVX3h

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4356	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	2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_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 1384 wrote to memory of 4356	1384	2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe	82
PID 1384 wrote to memory of 4356	1384	2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe	82
PID 1384 wrote to memory of 4356	1384	2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_0970e5f629e1f3347ee71e4ce6771b36_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- 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:4356

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
4947b4588f4ad6efea90bed32c0364b4

SHA1
af7162b0a68dcd716b99e343f28ad9dea7fee793

SHA256
b0ba8ec482a8eb0ea50dce4832404c76c1202e8554fe1bde678089cf5bd1965a

SHA512
1488e70956d5bd3cebbfc86032ebc93d8258df4cb88b13854ac16c0d226f00885255898faf14379ed5aa23fedfe69bc30e889d09954b1fd108fdeef036cb93e7

Download Submit
memory/1384-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1384-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1384-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1384-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1384-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4356-19-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4356-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4356-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download