0f8f2e47b0f62e8d9549f177b73729ea622416e42862720829df1df43ced799a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 04:34

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General

Target

2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe
Size

36KB
MD5

3e09af5c2166dc8a18a88f0038f78665
SHA1

5ee0e39e38c64c9e38b43cac2a1ef7bb12cdd6b9
SHA256

0f8f2e47b0f62e8d9549f177b73729ea622416e42862720829df1df43ced799a
SHA512

2c768b3e72e3004f687f7a133838d1776e3c810e3d27872dba15214cbe9e3d4febca0e971b2307aae8dde1f0b4aacbcafc2b0c07b154868364e1cde5545eea63
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZX:bgX4zYcgTEu6QOaryfjqDDw3sCu5+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000233e4-12.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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1472	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 3748 wrote to memory of 1472	3748	2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe	83
PID 3748 wrote to memory of 1472	3748	2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe	83
PID 3748 wrote to memory of 1472	3748	2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_3e09af5c2166dc8a18a88f0038f78665_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1472

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
36KB

MD5
c6e709caaa800897988220404c53a8ea

SHA1
a0f497eed74e7bb6c2a5038ac8ba029c2f07f061

SHA256
5d0de6e753439acce740679542e6a611be058a2e22c0d5e605d7ec6065b61959

SHA512
21f32989d47daf5b2c9ad8bb0e5d1fc2266c5c3a4c8834115bf9d105005bbadd8e27395081cd03c28e960341ddf18830133c3abd07a0542629200daef5cfe4ce

Download Submit
memory/1472-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1472-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3748-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3748-8-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3748-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download