9e899d2cf071a8b57165d27cd0fbe192bd1d281a6e253b9783bee9ed5bbe9923

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
09/08/2024, 18:54

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General

Target

2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe
Size

392KB
MD5

9d0adcd3c2924dfffce911ccef20d00d
SHA1

dc032c6ce49b6300db382802b0d5223f9f779c7f
SHA256

9e899d2cf071a8b57165d27cd0fbe192bd1d281a6e253b9783bee9ed5bbe9923
SHA512

3523c5250952008da9233ac3126d16d5ed25a8c43f68b6b83c67c7520e5798162454b58cab56ad4e1c4fb81873254ef61a6604cd5ea123e68b639fdb6975bba2
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRN:nnOflT/ZFIjBz3xjTxynGUOUhXRN

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	2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3448	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	2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_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 4952 wrote to memory of 3448	4952	2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe	92
PID 4952 wrote to memory of 3448	4952	2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe	92
PID 4952 wrote to memory of 3448	4952	2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-09_9d0adcd3c2924dfffce911ccef20d00d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- 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:3448

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=4928,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
1⤵
PID:4496

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

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Downloads

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

Filesize
392KB

MD5
3a1b0b6cf4d5dde62a471afba6be0a4a

SHA1
2a65c9a0a33ed1a83dcc060b67eeb1106d6abc1c

SHA256
9c3e9efcaf797e5360d5848b216988fbac1fcb7598dc89807479f230eb2611bf

SHA512
e0b805a10c8a47b8afc1bec6b45782a43660009fffd90e7cb86efdcee3d50fd72b64563137ddefdd4569bca86c5cb139368753f7926158e9e4d56dbd1fcf42fa

Download Submit
memory/3448-23-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/4952-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4952-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4952-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download