29a713e72aa776856e721ba446208023c1f4f645b772633bdd0bd6d929a24653

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 12:27

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General

Target

2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe
Size

96KB
MD5

b3668e81488c360b7d6c1663b8e19f44
SHA1

7060b62f73d2dacdcd6526ae2de2f17aa87955d6
SHA256

29a713e72aa776856e721ba446208023c1f4f645b772633bdd0bd6d929a24653
SHA512

a49469b678665ede25840ddfa6e2f0eda3d56d6b9cd8736c8b560b1cc553422657c80800b0740b0854d94504053db607f35c988f0849a18a0606a7a56d899839
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNuj2GQi8YU:V6a+pOtEvwDpjtz1

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	2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3508	asih.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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3508	4224	2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe	89
PID 4224 wrote to memory of 3508	4224	2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe	89
PID 4224 wrote to memory of 3508	4224	2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-06_b3668e81488c360b7d6c1663b8e19f44_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3508

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=3840,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:4352

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\asih.exe

Filesize
96KB

MD5
da88495fdadb7c3ad0ffdf179dfc90e8

SHA1
0da4fb23b39a23d699f5fd2e3ff6a1026cf4810f

SHA256
e865661104664115f6dac9b5da7cecc87dab5936206c64a7c7a4622a45018876

SHA512
197c959372cee898d79ce5a74b49da8fdc8f63ee772a000f55f6c542d16345fde563abde6927463392e645f543f2b4d82437d79e096139b8ab26d6076dcde0eb

Download Submit
memory/3508-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3508-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4224-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4224-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4224-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download