4528cd794e22ce24ed992138480f264b2d07f5fd351388174a5d0c51f8aad6a2

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 12:37

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General

Target

2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe
Size

49KB
MD5

b21308061016e092db203cf7afb455c5
SHA1

0b76902ebcc37a0c86eae308af79e61048d94a71
SHA256

4528cd794e22ce24ed992138480f264b2d07f5fd351388174a5d0c51f8aad6a2
SHA512

f4650b8497e8429f78350853e326d8ff2c8382de377112f44efb89db23c0a98bf5663500ef135c2a7773fcc1ddfd98a660e907430d1339f810b71cd6fd68812d
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkco:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfo

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-1-5-21-2547232018-1419253926-3356748848-1000\Control Panel\International\Geo\Nation	2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4348	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 532 wrote to memory of 4348	532	2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe	84
PID 532 wrote to memory of 4348	532	2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe	84
PID 532 wrote to memory of 4348	532	2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-08_b21308061016e092db203cf7afb455c5_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4348

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
371cedde14639437c18b8fb886a84782

SHA1
59d52d6dab72a00987fb1ffb0568b31f9287c119

SHA256
cde5279dc99635f0543c171e2f7bcd6981c177e6655b0029adff562b01be3d11

SHA512
dc3f62d09955bea50b95c7302f6545d4967989d1a6a715051b3d469d2bd3a5a5414573de3800015eae9222b097e0d212830511329981f73bedbba40a1ca32dfa

Download Submit
memory/532-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/532-1-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/532-2-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/532-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/532-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4348-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4348-20-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4348-26-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4348-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download