f6ca49747f26dfbb1eb86a24f2de13ce6e5d3c94f37b18cfdd72fec522bac3b2

Analysis

max time kernel
148s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 19:09

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General

Target
2026-08-20_44f5e0b3028d1f2e339360ae91893b0e_cryptolocker_elex.exe
Size 55KB
Sample260820-xtrd8shn5v
SHA256 f6ca49747f26dfbb1eb86a24f2de13ce6e5d3c94f37b18cfdd72fec522bac3b2
MD5 44f5e0b3028d1f2e339360ae91893b0e
SHA1 b076c10a3aa6e794574af0369aded088abe86d9c
SHA512 fca50a71b1089a850671ae51c7f0f12fb3459a9f0d2a8419a4d60bf86483011a789acfa8c7a247df671d0be0c13f2204b635016d1c8f876c02a1a2375cfaab0b
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8Y:Z6a+pOtEvwDpjv9z
TLSH
T13D430F386FD51A72E377CAB586F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000016cd6-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000016cd6-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2416	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	2026-08-20_44f5e0b3028d1f2e339360ae91893b0e_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF	asih.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5524 wrote to memory of 2416	5524	2026-08-20_44f5e0b3028d1f2e339360ae91893b0e_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_44f5e0b3028d1f2e339360ae91893b0e_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_44f5e0b3028d1f2e339360ae91893b0e_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5524
- 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
  - Modifies system certificate store
  PID:2416

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

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

asih.exe

Path C:\Users\Admin\AppData\Local\Temp\asih.exe
Size 56KB
SHA256 d5f30228f982df9100e5e3b7015804a41f3036e00431c5dbfb17ae8401943899
MD5 c91991437074b0346ca1ed9d3e26fb9b
SHA1 7b89e71e46bebeedc5d74cb2cdaab146a1f837de
SHA512 d54d5493acb24c07de2399741fc8d683dd8951d902a460eb64b8e01906c1732a2c9f9fb0b28c7f346eb8d471050c51a14b2def2625028a3ebc99e5f46b5d34d7
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y86:Z6a+pOtEvwDpjv9N
TLSH
T1A843FF386FD51A72E377CAB586F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2416-24-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/2416-18-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/5524-0-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/5524-1-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/5524-2-0x0000000002160000-0x0000000002166000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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