f23a291c75ea0cd4ae6a17217e0562838c9ce2bbf18949fc091760c91b477a1f

Analysis

max time kernel
156s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 05:57

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General

Target

2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe
Size

49KB
MD5

913f3f792ccc3bb7907349cd5eb8eee9
SHA1

6feeed46cdc0588d78bda1c28f797880dbd59991
SHA256

f23a291c75ea0cd4ae6a17217e0562838c9ce2bbf18949fc091760c91b477a1f
SHA512

a5b1b0933bc40b74006e7e0baca976f2e590b4f9fe1d437ccad68355d7f5091e860ee24af41b26fcb9447c7a794929e1e70155f2956f95badb147769c825fce0
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFWpzF:X6QFElP6n+gJBMOtEvwDpjBtEc

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3760	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 376 wrote to memory of 3760	376	2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe	94
PID 376 wrote to memory of 3760	376	2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe	94
PID 376 wrote to memory of 3760	376	2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe	94

C:\Users\Admin\AppData\Local\Temp\2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_913f3f792ccc3bb7907349cd5eb8eee9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3760

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
50KB

MD5
75e671afcd0a5e25caa746f83f6f1b3e

SHA1
eea6b104dc629f2e4eb5309eaa55ef33cd4d067c

SHA256
31e67636a34fd128f81fab887f45712e0e9dc9ede00c1256a2edbdcc2261f3ea

SHA512
d0c432f6dcb59de48b310124947dc9fe8b13678a9dab3f49b076147ea2ace3f507893efe11561b55cb427260e0aedca9a561916fd00ca165ead2279f37d7afd2

Download Submit
memory/376-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/376-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/376-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download