464c25b0e403f7898724d31a233baf77a205606653b9270254bc46fc75192371

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 00:27

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General

Target

2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe
Size

45KB
MD5

151833f07a9264985d2317db2e25d103
SHA1

dfdab2a0d539743c15223080bc9af238efa04966
SHA256

464c25b0e403f7898724d31a233baf77a205606653b9270254bc46fc75192371
SHA512

4cbf13149ca73c177ca752465f77a07571bba935fe092aa8afd7932deb789586d47442c4887edcfac9ab1fd133e31e23048a8fe1a1a86c54aac64e5c7add5706
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+p:P6QFElP6k+MRQMOtEvwDpjBQpVXj

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4020	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	2024-09-07_151833f07a9264985d2317db2e25d103_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 3580 wrote to memory of 4020	3580	2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe	84
PID 3580 wrote to memory of 4020	3580	2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe	84
PID 3580 wrote to memory of 4020	3580	2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_151833f07a9264985d2317db2e25d103_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3580
- 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:4020

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
45KB

MD5
69f9819b21439a46ae24f285fed999fe

SHA1
def1d249f999a07912ff51baf5bb15de868acfad

SHA256
ddc9004a10d5d285967a987f8eb8f1ac364188a758ccd0c6f2df31fa24a71e04

SHA512
63c7ddb5d7d7cce4f2d10095e44972af240383508ffe92b5e15549d3db4363b8cf09b5f5310115571349f4bbd50beaf418cd9103d22bdad7449361404e7422b9

Download Submit
memory/3580-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3580-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3580-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3580-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3580-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4020-21-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/4020-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4020-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download