c3b5d23431897701d5f1a36cb202270ae10a8d4f93a0a390c8f12e06faf102e9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 17:08

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General

Target

202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe
Size

49KB
MD5

3ea10832e54b2ad9409763d6b5d3ec8f
SHA1

1e2999caba6e97655a664dc7f5b7a33ce90964c4
SHA256

c3b5d23431897701d5f1a36cb202270ae10a8d4f93a0a390c8f12e06faf102e9
SHA512

853d4f5f1bb2a6ecdb7a3d4d6036866d3100aa042d3115905b53997d9a4c005ef05f5242c9b4d318adbb727606d63ec6ec566cd8c9092f15be1fd20ed4bed7f1
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZ7:X6QFElP6n+gJQMOtEvwDpjB0GIWiWL1

Score

7^/10

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-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 2380	5012	202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe	85
PID 5012 wrote to memory of 2380	5012	202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe	85
PID 5012 wrote to memory of 2380	5012	202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\202404143ea10832e54b2ad9409763d6b5d3ec8fcryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2380

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
49KB

MD5
5fa874043a991975b3351f8e13482c7b

SHA1
9dc4a5707fec594edd411f1f96b6e313d388e562

SHA256
8083f0614f081febd0c5324b18ec09d53c76c1df80309c03b02786a29c682a4e

SHA512
f54084faccc87c83ca33070dc133335004956d998f312e34d0c4869266e6a8a292b0e066d63983f2bbce1b8f7dc36904a5d7e04ebd20d58931d199543f695140

Download Submit
memory/2380-17-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/2380-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/5012-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/5012-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/5012-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download