a72ea7c3bf8b3ca237ed8b1d7aa29a6ccf4f40df6af94fb12596ab07b3dde316

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 04:23

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General

Target

2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe
Size

44KB
MD5

32cecf5fac08c8ae40dea463be557995
SHA1

f3d4e4aed372430aa5e7cda4683bc0bdbd83e938
SHA256

a72ea7c3bf8b3ca237ed8b1d7aa29a6ccf4f40df6af94fb12596ab07b3dde316
SHA512

6d8043d5b6e38fd40e33e76eda2d6521489bd4da6c7ab07c0ace3d50426a91eeb1da73cde6858aeed87ff23a4b7ecaf5d586ccbe3a2f632bd9765fe5e61f112b
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUadQdrgH:bm74zYcgT/EkM0ryfjPdQeH

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	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	2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2704	4596	2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe	86
PID 4596 wrote to memory of 2704	4596	2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe	86
PID 4596 wrote to memory of 2704	4596	2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_32cecf5fac08c8ae40dea463be557995_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596
- 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:2704

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
44KB

MD5
d76ae566937670a6e0906965664379ee

SHA1
8d5a5a9ef5de9984c431edfb2912a5dbed4f9653

SHA256
4746abf18965c01748cd70210346a486eb8cf931583f277f1e6a111935a8bdab

SHA512
abfd31332d56987f83543eb87499e7e50c797b91f4e3ed22c8d944028f4c07adb3079d33caa9bf20963c87fc526c418b16d778e7dc197eaf31ecbeaf4de3877e

Download Submit
memory/2704-19-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/2704-20-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/2704-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4596-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4596-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4596-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4596-3-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4596-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download