1570fcb156dff7ef961533ed4ba9f3aee905b1adbe1a3df518a4cbe611e69857

Analysis

max time kernel
148s
max time network
149s
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, 07:21

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General

Target

2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe
Size

47KB
MD5

0aa933b4e3c11b3ff82b2905a6bb015e
SHA1

a098b6f4980b1085f05bf1cc6ba2d9e37b8252f2
SHA256

1570fcb156dff7ef961533ed4ba9f3aee905b1adbe1a3df518a4cbe611e69857
SHA512

6312c1479442d9a79822c535930032656cdae37c5c0f8170e20e11468fca11d39eb2fd9bf9c335ca779a089feb6b9ab277039181fe537e5c407c22d550ff4930
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITQ:26Q0ElP6G+gBQMOtEvwDpjgWMl7TQ

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	2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	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	2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1800	2540	2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe	89
PID 2540 wrote to memory of 1800	2540	2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe	89
PID 2540 wrote to memory of 1800	2540	2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_0aa933b4e3c11b3ff82b2905a6bb015e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:1800

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=3668,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:3532

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
47KB

MD5
097e722f89b0944f2499a3fd95f4066a

SHA1
0d097529b45bf278cdd6006717059877f3476803

SHA256
d4262e4af021f94dd4cb8a26a46d93a357971bac60741c3533b824a9d865c964

SHA512
999bd6e58edfed6a5c8a8b5abc511bf52a87c021b229ae571883ab70ad33debc4c760dca2588d0105c6aaaf25e1e7724f7e8efe242c8863ef99d888d82a8da18

Download Submit
memory/1800-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1800-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1800-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2540-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2540-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2540-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2540-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2540-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download