8783cb092eb1511b2dc5564fb63e592df3d2f25ca1d454722bf6e1e931e08017

Analysis

max time kernel
148s
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
05/10/2024, 05:32

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General

Target

2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe
Size

44KB
MD5

4aee457d76ad3795ead4deaf7008f300
SHA1

a8714554b0099a76e4c627078882ea4a04622ab4
SHA256

8783cb092eb1511b2dc5564fb63e592df3d2f25ca1d454722bf6e1e931e08017
SHA512

1aef327780051d36378ec5b935ab6bed37de911f4ed8c91898bad4950f0f56f01abb645764597d0d83cc2bb592e171b918fddf521359dcbe16ed579ec67671c7
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1T6V:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL0

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4196	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	2024-10-05_4aee457d76ad3795ead4deaf7008f300_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 4428 wrote to memory of 4196	4428	2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe	82
PID 4428 wrote to memory of 4196	4428	2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe	82
PID 4428 wrote to memory of 4196	4428	2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_4aee457d76ad3795ead4deaf7008f300_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4428
- 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:4196

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
44KB

MD5
905917140aaa6643b60241afdf87780c

SHA1
6f3e5be023ba6268ce821495a09250b3cf3982fa

SHA256
15e61b1fcfa5492fd88899bb007ad843ae6f04b57e83ace6189f675ec61acacc

SHA512
2f9f026a2ec4b1adc2a6062d8b302b6736d8a3ca2361fa961c0f299c27a116a4549be84bb6793bb6dbf11dd10a1da96b282abaf1b23e3761f032ff1da974d970

Download Submit
memory/4196-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4196-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4196-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4428-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4428-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4428-2-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4428-3-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4428-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download