eccc82de0b4cb95bc661aeea4a8b65022a1a6ceaafb1aa3a0d234254bff58b00

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 14:01

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General

Target

2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
Size

44KB
MD5

9ebf89254bc576965179fa25b9891a9e
SHA1

342915bd1843b7a7cba833722eba7d3516131284
SHA256

eccc82de0b4cb95bc661aeea4a8b65022a1a6ceaafb1aa3a0d234254bff58b00
SHA512

9749a8e2edaf94916d675279034c7172d45054f9fa4e28dd52beae94f876d003afd6e87f265d7219227e86dfd7f7b8e7df21325434ea2bc1834b79e03d67e451
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TS:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLS

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	2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4508	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	2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 4508	2304	2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe	92
PID 2304 wrote to memory of 4508	2304	2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe	92
PID 2304 wrote to memory of 4508	2304	2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- 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:4508

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=4092,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=4152 /prefetch:8
1⤵
PID:624

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

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Downloads

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

Filesize
44KB

MD5
93bd5af5b6c371916abc5f4ff70587b2

SHA1
e2507c13dbb9d8afa1231f21eb93aa190f7b1be4

SHA256
5c801b4eac7b1162b09a8ebf2270adbfde355673b2892703b71da67a224f9270

SHA512
4cfbbbb31a928f3318bd1e4d1a567f372ff7121a89d65283a43415913b2184dc2b3b65027b2272c7e6b80a75b6fbc4354960d102093bf08a8b178efa7f94e38a

Download Submit
memory/2304-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2304-1-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2304-2-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2304-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2304-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4508-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4508-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4508-26-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4508-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download