af35ef44afbd0cb2c5c35eda1511dc695cd5ea86f251454b48590065f44182e5

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/08/2026, 23:16

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General

Target
2026-08-29_f78394cb81f9263e3738b402deed4dab_cryptolocker_elex.exe
Size 49KB
Sample260830-29lk5ssale
SHA256 af35ef44afbd0cb2c5c35eda1511dc695cd5ea86f251454b48590065f44182e5
MD5 f78394cb81f9263e3738b402deed4dab
SHA1 d91a57b86098422731aac04c2a3d32a34f3854f1
SHA512 24df1c10ef2e6a1c23fc0d95ef98c29c357b9d3f498bd237cecb9150a28100aa44e8ce22c75687f9be51a79ff5374ca0227b75a3941fdf6336b84a30d8fa5ac6
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakJ2Q:V6a+pOtEvwDpji
TLSH
T10F330D396ED41972E3BBCAB5CAF685C3B926B8123D21980D50CA23454D33B56EDE1D0E
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/0x000b000000011377-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000011377-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4168	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	2026-08-29_f78394cb81f9263e3738b402deed4dab_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 1396 wrote to memory of 4168	1396	2026-08-29_f78394cb81f9263e3738b402deed4dab_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-29_f78394cb81f9263e3738b402deed4dab_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-29_f78394cb81f9263e3738b402deed4dab_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- 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:4168

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 49KB
SHA256 b5c55568c5d89e5dee70be7d46e74eb7419bcf0d01c757ef3a1f95fdb044547d
MD5 0313a1e59ed38827db334dc87624b153
SHA1 77117a2f30dd5b72dc118b3eef1797c6403b7395
SHA512 1bcc56b9f643f0ebce8bf302dcc364e4c7c6243f4e8ab9627f79d341fa6152ac4f2219375c96bfbce67a7c4786c39fc4d1caa1c542121241e1973f6be0301744
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakJ2j:V6a+pOtEvwDpjl
TLSH
T14D331D396ED41972E3BBCAB5CAF681C7B926B8123D21980D50CA23450D33B56EDA1D0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1396-0-0x0000000000710000-0x0000000000716000-memory.dmp

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memory/1396-1-0x0000000000710000-0x0000000000716000-memory.dmp

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memory/1396-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/4168-18-0x0000000002230000-0x0000000002236000-memory.dmp

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memory/4168-19-0x0000000002250000-0x0000000002256000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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