8b5e6d3cca4b3bde96a3e2e795b435babc0efb7a02d55e8da9d2339e90bf34d6

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/07/2026, 08:18

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General

Target
2026-07-09_8bb377bffb24e6178215c68713cec66f_cryptolocker_elex.exe
Size 102KB
Sample260709-j7eeyafx71
SHA256 8b5e6d3cca4b3bde96a3e2e795b435babc0efb7a02d55e8da9d2339e90bf34d6
MD5 8bb377bffb24e6178215c68713cec66f
SHA1 d0c0e713bf050728030b3c4097a8265a7393b368
SHA512 f99fcbd07cb711502bc9db7bbddedc35074dff53fa8c69225a192c8c8264266d467319e744e7d537b377dd0bbf94add8b689be47cfd397d282ab515ad0d1c553
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjZe:Z6a+pOtEvwDpjtzX
TLSH
T126A384396ED51973D6B7C6B1C5F781F7B822B8223622984E50CAD7014933F86FDA190E
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/0x000600000001b871-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b871-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3956	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-09_8bb377bffb24e6178215c68713cec66f_cryptolocker_elex.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 1944 wrote to memory of 3956	1944	2026-07-09_8bb377bffb24e6178215c68713cec66f_cryptolocker_elex.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-09_8bb377bffb24e6178215c68713cec66f_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-09_8bb377bffb24e6178215c68713cec66f_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- 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:3956

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 102KB
SHA256 359a0787e8720d04f6dc7ff92c941e8a1870df2403b67fb43275b64591d1d69f
MD5 9eaa690c989267aad7425e94e4a77f19
SHA1 aeafe15b118578ba8334076d5483ebea00a66463
SHA512 daf8f6d8a1bc39ecb890331fb10ae0d4935f0c4e80b1ea0d94f077cd20d3f2ebd12f246cc30bbc9490f8a06b7af54748736566921911549d8e831a1a7b65a0db
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjZb:Z6a+pOtEvwDpjtzC
TLSH
T1DCA383396ED51973D6B7C6B1C5F781F7B822B8223622984E50CAD7014933F86FDA190E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1944-0-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/1944-1-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/1944-2-0x0000000000740000-0x0000000000746000-memory.dmp

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memory/3956-18-0x0000000002180000-0x0000000002186000-memory.dmp

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memory/3956-24-0x0000000002080000-0x0000000002086000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads