44362cb9a5da7e15b8f0d893a527598ffd03a613de3c77d873db701d4da2e18b

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
14/09/2024, 08:02

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General

Target

2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe
Size

42KB
MD5

e07c67e8a3418814665ef1332276f1de
SHA1

62e1e32dd9d3d2d42e810015a71b6e2cb79fc664
SHA256

44362cb9a5da7e15b8f0d893a527598ffd03a613de3c77d873db701d4da2e18b
SHA512

3d9eb57a2fddb552b0f84b85505926b3e87661a5135703ff63b83f816358a0a4d9231cbbf183453bc629e0241f20fc87709d14525a38b8644b1be4785b16922b
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95q:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFg

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	2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	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	2024-09-14_e07c67e8a3418814665ef1332276f1de_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 5092 wrote to memory of 2768	5092	2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe	92
PID 5092 wrote to memory of 2768	5092	2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe	92
PID 5092 wrote to memory of 2768	5092	2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092
- 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:2768

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=2820,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8
1⤵
PID:4628

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
43KB

MD5
64ef4c78bbf5cb3b105488ba06dcc511

SHA1
be9bdd9fa62fe1a2774d10f890b4703dd588dca3

SHA256
d8abd9e6afcf3118bdb250cf2a0de31f020d44ebf111a3ae070e9827fa3a88bf

SHA512
e9cd00112c0a949ab8772a443d98a9af137480f51886f8c255b5a199bcd4b75dd7951a29e5939a8ea59be802e43c7da79eac4951302774c321469cdb71a2fecd

Download Submit
memory/2768-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2768-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/5092-0-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/5092-1-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/5092-3-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download