44fcad911fc518b6eba98b67f1a6c965d8b77aeba54950eccd0e39a65506a16c

Analysis

max time kernel
159s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 05:52

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General

Target

2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe
Size

31KB
MD5

8419c2a3a033c51ea6fbf422751bc3a2
SHA1

809f59b34eab5cbbc2f976d50c80a6e5c07794b7
SHA256

44fcad911fc518b6eba98b67f1a6c965d8b77aeba54950eccd0e39a65506a16c
SHA512

d90575b1aad3cefd132160d472b8eaaaa96054fdc7f1c665966373b95a7876d6b5a13852748758ff7934196a521e13b0ea9d36064ae07859c2eb89ef832ad9e3
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlzxi:bA74zYcgT/Ekd0ryfjPIunY6

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4052	hasfj.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 740 wrote to memory of 4052	740	2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe	91
PID 740 wrote to memory of 4052	740	2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe	91
PID 740 wrote to memory of 4052	740	2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-10_8419c2a3a033c51ea6fbf422751bc3a2_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4052

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\hasfj.exe

Filesize
32KB

MD5
2b4052e3a41584b9830fb2f650a8c12d

SHA1
fbdb465a09256e558abf12e8317c1b86354243fd

SHA256
a2354b40cbaa9e9d87ed78ab22543c488ffbb439bf9c76e04d461c560853a288

SHA512
46f627d7d9210e776565a28ff0f02fe4dcdaad87e647bb0b6a0c4267c2d4c87eaac3437494ac8cf5292aa7b6547d6a5599d3285ea248f17d4fea862064a539c1

Download Submit
memory/740-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/740-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/740-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/4052-18-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/4052-17-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download