6f6adc97b2abaaf9c807bc0a3ed24c5d0f9bd6f81ee1cf15d6ff0039c096677c

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 09:05

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General

Target

2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe
Size

97KB
MD5

92aa418a3b191d33bdfb3cb918d501f4
SHA1

123c2bc086e7e7fa8434fbc28865cd835b860583
SHA256

6f6adc97b2abaaf9c807bc0a3ed24c5d0f9bd6f81ee1cf15d6ff0039c096677c
SHA512

3dd8410082d629c559b092aff88d9659b99a23dc9677ccf1c387f070b6b420eca6b88edc598b87600eae451e1aba1de88198a6333132a48c8108ecb3f513bd89
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0u:V6a+pOtEvwDpjtz2

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	2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	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	2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_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 2468 wrote to memory of 1148	2468	2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe	92
PID 2468 wrote to memory of 1148	2468	2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe	92
PID 2468 wrote to memory of 1148	2468	2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_92aa418a3b191d33bdfb3cb918d501f4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- 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:1148

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=4548,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4656 /prefetch:8
1⤵
PID:1472

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
97KB

MD5
4e270e48d8d3d20af9f1123daae4476e

SHA1
6a20bbb03f2dbc651b1bc28e23d33864972020c0

SHA256
28b4f73cff3de1c5f181e67483038a22a8f81fb1d255091f75fcf9598241ddf5

SHA512
b0c4230fb00da6bde2c60c850bd0b530896b0c493e9a3bf056e161fefb697f5e2a17d1941ad5e2cee6b1a433ffc78b423170032ae9161ec0a8fa2401d1ca3fcc

Download Submit
memory/1148-17-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1148-18-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2468-0-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2468-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2468-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download