35652f3241ea25341c060cf7d95d354f0d9b0dcee68d913050f239c3fc39ba17

Analysis

max time kernel
150s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/08/2026, 12:05

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General

Target
2026-08-15_da7e84f545c5e220f417d0ab80de313c_cryptolocker_elex.exe
Size 53KB
Sample260815-n86m2afe92
SHA256 35652f3241ea25341c060cf7d95d354f0d9b0dcee68d913050f239c3fc39ba17
MD5 da7e84f545c5e220f417d0ab80de313c
SHA1 c84a7361859406a7ade606cbf45abbc49dd95d89
SHA512 93151f1a1232231284bb634e0c92b458273298209d935357f646592f03bb12522f5e8a6fba10e2dfd7dfeb79e314f5f72a8f709ce368db4936a352f6b178b439
SSDEEP 768:r6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjJaD3TUogs/VXpAPWRicU5qDJW5:r6QFElP6n+gMQMOtEvwDpjwpVXzR1bdE
TLSH
T1D4430F386FD51972E3BBDAB5C6F681C3B935B8223D22990D40CA57450C33B56EDA1E0E
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/0x000600000001b86d-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b86d-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4964	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	2026-08-15_da7e84f545c5e220f417d0ab80de313c_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 1360 wrote to memory of 4964	1360	2026-08-15_da7e84f545c5e220f417d0ab80de313c_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_da7e84f545c5e220f417d0ab80de313c_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_da7e84f545c5e220f417d0ab80de313c_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- 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:4964

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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asih.exe

Path C:\Users\Admin\AppData\Local\Temp\asih.exe
Size 54KB
SHA256 09fbeef60321db06cb4d9c06ee335b8f1cd626e82437d6b4b6d7c63cd2b46f44
MD5 d207fa48417c8893773f77d56e770685
SHA1 4496eff0aa9d6860a779281692b12f8c19da73e8
SHA512 6b7b800789ab6ebbb5c4df7d633d71a594fb99ca982ea7ee91ef0f78454645c9255b708d6c48f86318a43f2535b95128cd5a925ec2b6d03cb4bff19bdfac5719
SSDEEP 768:r6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjJaD3TUogs/VXpAPWRicU5qDJWX:r6QFElP6n+gMQMOtEvwDpjwpVXzR1bde
TLSH
T16E430F386FD51972E3BBDAB5C6F681C3B935B8223D22990D40CA57450C33B56EDA1E0E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1360-0-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/1360-1-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/1360-2-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/4964-19-0x00000000020D0000-0x00000000020D6000-memory.dmp

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memory/4964-18-0x00000000020B0000-0x00000000020B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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