eed1ef2fe9abdde1c32cfb3e674ae22526ec18843368e5f97c6cb08463fcec90

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 02:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe
Size

35KB
MD5

5e1b368682f80521514e8ad329af28ea
SHA1

0511a03c75607530607cf5efebc7545680aff28b
SHA256

eed1ef2fe9abdde1c32cfb3e674ae22526ec18843368e5f97c6cb08463fcec90
SHA512

7904008ffce90224d8eed87d34823e56d23486bebb248f829afb998536604e954a39a9a0721d5ceec900feb6628ed80281f9275d78984a8b21cb67bc42123fda
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3S4:bG74zYcgT/Ekd0ryfjkbC4

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1584	hasfj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 1584	4124	2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe	82
PID 4124 wrote to memory of 1584	4124	2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe	82
PID 4124 wrote to memory of 1584	4124	2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_5e1b368682f80521514e8ad329af28ea_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1584

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
35KB

MD5
dfc20305e52326b780bb75cef9df2195

SHA1
6fe42cfd99b78134655354309da93318dec461ac

SHA256
6b56fba5dc706b16412a4575895190b639c4e984184a342eb571bd47cef43c2b

SHA512
05848a5c55e1e89a34d3ad161815a325ec33b9c5f29faf878936dd4dc3df13f488fa66d9deb023a2820d2e6c999ad6603c9cdb7cbc027eceb36b3e006ab5e431

Download Submit
memory/1584-19-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/1584-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1584-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4124-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4124-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4124-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4124-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4124-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download