0b60586e12c271aaff1bae59199fcd911cf01272fec233e3a99cfc837be2dc6c

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2024, 14:39

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General

Target

2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe
Size

30KB
MD5

6f65e2e9ddbe641941a9eaf31de78985
SHA1

c789da7ee3629b9d25a29c4fd9a33f8e25cb6c02
SHA256

0b60586e12c271aaff1bae59199fcd911cf01272fec233e3a99cfc837be2dc6c
SHA512

0a829dcceaa5cd6ee49b2da65d6cf8aa81ee69740d4931f78efc954c450fa0c3db03003c1dfd69a4783641dacdc89e9cf7751dcae439be5781503d3c408030d0
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ/Tl+6lt65W:bA74zYcgT/Ekd0ryfjQRSlpltt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023206-12.dat	CryptoLocker_rule2

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-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation	2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4240	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 1784 wrote to memory of 4240	1784	2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe	86
PID 1784 wrote to memory of 4240	1784	2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe	86
PID 1784 wrote to memory of 4240	1784	2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_6f65e2e9ddbe641941a9eaf31de78985_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4240

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
30KB

MD5
996f2eeb12087e59824ce5ccdc0d7306

SHA1
24cfb17329ceb429bb5823827281f522698540bd

SHA256
96d1fdd20c58565278c4c9ccab4ff3d9400fbbd0e069634986b20221f4140ec3

SHA512
1be82398692ce3ea96b86b6747e8678e2c12190b92fb87aa738feba44461e46dc2e7dcba780120d047b64451c2770d96e07a03c9c8cc1e47d93915c0432573d4

Download Submit
memory/1784-0-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/1784-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/1784-2-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/4240-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/4240-22-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download