acf7b04f1fbd89b2923b085c160bd9c0839fe987d0ce8a529e4a1a8369d5a656

Analysis

max time kernel
148s
max time network
149s
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 00:26

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General

Target

2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe
Size

49KB
MD5

740b49fe6c93e97a69d4ea94531d702c
SHA1

d779f596cc5d2c899099f1aa2c2bcd43e62394f7
SHA256

acf7b04f1fbd89b2923b085c160bd9c0839fe987d0ce8a529e4a1a8369d5a656
SHA512

68465c253da09c3d5dafcdbabc45c884b2e61ec07617efe74838897df4bfdfed7daa0a0bb38afcda55c07e36441b31778fc656473542d83794aec6ab3a33b5ca
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTd50H:X6QFElP6n+gJBMOtEvwDpjBtEy0

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	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_740b49fe6c93e97a69d4ea94531d702c_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 1240 wrote to memory of 2696	1240	2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe	86
PID 1240 wrote to memory of 2696	1240	2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe	86
PID 1240 wrote to memory of 2696	1240	2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_740b49fe6c93e97a69d4ea94531d702c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240
- 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:2696

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
50KB

MD5
8b4135216a7d676f8f31df3a61368487

SHA1
830f271a4c77d4d47c1de8a4f8ef2546b77b6a1d

SHA256
d020235ae11647c08f1e6bfa5ce54ffd9aace7a91a517cf5a8659bc5b451f45d

SHA512
3f2144bd139aa2127e2b0a600d48243da1e6c95962feb06ba5f84af318375cd553884b28b498f63548153f17bde03cffbb3d1d435daee8841eaa94aa21125689

Download Submit
memory/1240-0-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2696-17-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/2696-18-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download