4876bdb65a0d2ff4acf2e07124985a6a19f02001625536413eaeac1d8069ad46

Analysis

max time kernel
150s
max time network
147s
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 05:34

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General

Target

2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe
Size

31KB
MD5

cd74357c901a1ea64b35797667cb297b
SHA1

54c675bc02a94430999d82f925f51f14ef4ac8db
SHA256

4876bdb65a0d2ff4acf2e07124985a6a19f02001625536413eaeac1d8069ad46
SHA512

c25e3903ef151f307be9abe7fb6e589c23ece199f8167cf566cf61a6b3659bdca1df8b48dc881fbe67ba81bc317274c56919eac18f30f7b446ef5dafab41a075
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNAz:bA74zYcgT/Ekd0ryfjPIunqpeNAz

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2236	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	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 2236	3128	2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe	82
PID 3128 wrote to memory of 2236	3128	2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe	82
PID 3128 wrote to memory of 2236	3128	2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cd74357c901a1ea64b35797667cb297b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3128
- 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:2236

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
31KB

MD5
a80ffc67739c803cfe7a9a2c6fc97428

SHA1
8ed3b6380f1cd54f3d52c14f1f59f8b4ce8da5e2

SHA256
dd6980c815c8431b321061ca8fd724ec2e2c7d2e451479f2de7f5ec907fb5c09

SHA512
2dc62c26b13595d7965bd83d2e5ffc1fa62bbe17cb68583e6e14659a7acbd8c431a545ad67838af03b59f6988706c65fa65d4531128297bdf4e72369f74d7c28

Download Submit
memory/2236-23-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/2236-17-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3128-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3128-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3128-2-0x00000000023B0000-0x00000000023B6000-memory.dmp

Filesize
24KB

Download