a13c7ce1757e7db7fd31d6ce8363ad3e4100c04f2709586bdf8aeb657ea4216d

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
20/08/2024, 15:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
Size

35KB
MD5

4e7b8417a7ba6dbab9ed868c3d781262
SHA1

2441f818862c743936b5e8ff0dfe5560b30defc4
SHA256

a13c7ce1757e7db7fd31d6ce8363ad3e4100c04f2709586bdf8aeb657ea4216d
SHA512

37f387ec8c4ce02809c0814679cebf4125c0c1570e747f41163bb3b68a510e8db53c2c7fb90bc55aed523f5a4abc2801ca8732f564c443d79d57f1f4887ab536
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQd:bG74zYcgT/Ekd0ryfjHd

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	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	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_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 4232 wrote to memory of 2564	4232	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	92
PID 4232 wrote to memory of 2564	4232	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	92
PID 4232 wrote to memory of 2564	4232	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232
- 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:2564

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4656,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4628 /prefetch:8
1⤵
PID:4360

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
892ea659b34690950b5dd0ee031d0fe3

SHA1
e0146330da384139b46b6b57623ad16e59ba78fb

SHA256
22352eba57b1ea96beeeb296a8de4cfb5ac244fbc8536bc0642df6ebcc81c156

SHA512
e6abc9c90841e44be980de54425947c708a68ffea6f76f03274fbb6cb1d1bc7cd031f443d32953a731a5cbf96b69abecfc12b9c454aaf0c0fea7555b352c7ef1

Download Submit
memory/2564-25-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2564-19-0x00000000022B0000-0x00000000022B6000-memory.dmp

Filesize
24KB

Download
memory/2564-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4232-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4232-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4232-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4232-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4232-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download