e3799ed75039b3c98b51d99dc467ca94cc71ac28a5e6a52fca264865b4e49f46

Analysis

max time kernel
149s
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
08-09-2024 05:23

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General

Target

2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe
Size

47KB
MD5

349c4708a62606b7284f779d7f8c4cfe
SHA1

be8080d01d2220c391222d5d96dc2215645314cf
SHA256

e3799ed75039b3c98b51d99dc467ca94cc71ac28a5e6a52fca264865b4e49f46
SHA512

acc1b201c972e54b9722d952083f85bc380801935ad33fbcbde32635f52657a6823074c19a1f485f4672f34c5ad8d77a02e5ee699d77b41162d39b068e180c83
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPI:P6QFElP6k+MRQMOtEvwDpjBQpVX5

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4708	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	2024-09-08_349c4708a62606b7284f779d7f8c4cfe_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 1392 wrote to memory of 4708	1392	2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe	84
PID 1392 wrote to memory of 4708	1392	2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe	84
PID 1392 wrote to memory of 4708	1392	2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_349c4708a62606b7284f779d7f8c4cfe_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1392
- 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:4708

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
47KB

MD5
8909da301ab9b656563590a785fe8590

SHA1
aa56de9dfe432fee5d917ef52802305456b9720f

SHA256
5d2a46b588735249633c5e00b1ef1868f4a4d83b17a7bb03cb7dbd1b9fb8a959

SHA512
88c323afb2632d317f55e31d8395cf6988dfb8f6329c4e62cebd2c7a29ed1d1c770e458c865227d977b6f65634325362eadc8b947f90dcc52efc9db86261c710

Download Submit
memory/1392-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1392-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1392-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1392-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1392-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4708-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4708-25-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4708-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download