fffe838c8b6419e0a4a823cb0a894294aeda8318b6a7e118648c8f7d29bc5b0e

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-08-2024 16:31

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General

Target

2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe
Size

47KB
MD5

eb4d4c41f82e7cb139a4f61d78089066
SHA1

3fd0603e39d819bc340afd40179a6da417b7e477
SHA256

fffe838c8b6419e0a4a823cb0a894294aeda8318b6a7e118648c8f7d29bc5b0e
SHA512

97a29b58e71fb6faf2754a8e50978595c896baa664107c036878555ecfc622a54709053fce4de2ddd85b5139eb78946b4787ea7810e6214405ae3cba3d2fcd88
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2VK:79inqyNR/QtOOtEvwDpjBKccJVODvy3v

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3116	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	2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_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 1544 wrote to memory of 3116	1544	2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe	85
PID 1544 wrote to memory of 3116	1544	2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe	85
PID 1544 wrote to memory of 3116	1544	2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-07_eb4d4c41f82e7cb139a4f61d78089066_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- 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:3116

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
64fd11043dd76343b59869f6763396a0

SHA1
82e69428bbf680b9c0f7921971100b0e0b90d071

SHA256
115c73e576c870bf877064e4569c7c4f4239309ad9e8fd9fe589c82554b02848

SHA512
435a434e16461ff50cc73d3576ae5b1ce15fa6bda4fa846bd14e7ede83888b585e16a1133b8aac2b74db167ddc4c1cde29ea14536c748418e772f43c12505c3b

Download Submit
memory/1544-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1544-1-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1544-2-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1544-3-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1544-19-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3116-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3116-20-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/3116-26-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download