32df43a1f12a43407df28bb3bb7b492d5e66b04e0ae717b842a4ac93264bc4c0

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 02:19

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General

Target

2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe
Size

42KB
MD5

ea1a87a01716123e7412245fa03da63d
SHA1

6db3eeabef6fd5b536193d8adfd2f90cc99d52b7
SHA256

32df43a1f12a43407df28bb3bb7b492d5e66b04e0ae717b842a4ac93264bc4c0
SHA512

791934e173916d1b4e8e3b487751dbb2bc29b107dfb086f2a2a4a001f44130583a4ea9a0d0bbe174982755d8eeab8fc04827ea0ceac7ceae07f0cf7e6c518861
SSDEEP

768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG056:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ6

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3904	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	2024-10-13_ea1a87a01716123e7412245fa03da63d_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 4476 wrote to memory of 3904	4476	2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe	84
PID 4476 wrote to memory of 3904	4476	2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe	84
PID 4476 wrote to memory of 3904	4476	2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_ea1a87a01716123e7412245fa03da63d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476
- 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:3904

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
42KB

MD5
4afec4d6aa97130f3456f85467b13acd

SHA1
0908804e6acd38604d1fe60d5675b0ff81f01ccd

SHA256
d6991012d1967c8c22c6e6560e37f34a11f7f0113d517696e68baf5050dd9621

SHA512
6bade4a2aaeb4ce96798e353e755e079e9ec34a8c2d471bd2957be4b5fcefdd0fb41e19c835d818dea4db5fccee0aa721bd3a70dad2e425231d1b74680c55646

Download Submit
memory/3904-26-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3904-20-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3904-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4476-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4476-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4476-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4476-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4476-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download