e3cfdd52ef21b770ae4c1bf75729738d2cd2d3b40ee2af4ee829d32fc8e1926d

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 12:19

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General

Target
2026-07-31_1edead4dc9b371bef37dcb6b0e611a71_cryptolocker_elex.exe
Size 38KB
Sample260731-phl2daad42
SHA256 e3cfdd52ef21b770ae4c1bf75729738d2cd2d3b40ee2af4ee829d32fc8e1926d
MD5 1edead4dc9b371bef37dcb6b0e611a71
SHA1 51e650e11160fd61df0cc93c89661f8346ccde66
SHA512 8a303e89ee4014447f57b87aea0a11cf68ac59dfde9cd3424e59236d9a8e10856cd441f64439e9b9df189d967b2a160fc3eccb9fbfab4688422d7215beeee60c
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axO:Z6QFElP6n+gMQMOtEvwDpjyaYaU
TLSH
T19F0393366FC51AB2D7739AB185FB86C3B923BD2675328A0D50CE37054D33602A9A1D1E
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/0x000600000001b85f-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b85f-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4864	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	2026-07-31_1edead4dc9b371bef37dcb6b0e611a71_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 616 wrote to memory of 4864	616	2026-07-31_1edead4dc9b371bef37dcb6b0e611a71_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_1edead4dc9b371bef37dcb6b0e611a71_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_1edead4dc9b371bef37dcb6b0e611a71_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:616
- 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:4864

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 38KB
SHA256 51420ec2e21783371832cff4ff3e3354980480475088191d4eb9d13466c7234b
MD5 3f0e8650df584a28eb5d10763c8ace8b
SHA1 bdbd6d2f17b322d043bc2eaa87d1f4edf4d8cc50
SHA512 495aa87aaa5e6cf92790951e2af2c7674451ac7426a537aaf7e07c6bb901e8ea5e9bb37aabbd208e817b5a19966ac9ad2896d40a74e9e52491824a63dbc572d8
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5ax2:Z6QFElP6n+gMQMOtEvwDpjyaYaM
TLSH
T17B0393366FC51AB2D773DAB185FB86C3B923BC667532890E50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/616-0-0x0000000002240000-0x0000000002246000-memory.dmp

Download

memory/616-1-0x0000000002240000-0x0000000002246000-memory.dmp

Download

memory/616-2-0x0000000002260000-0x0000000002266000-memory.dmp

Download

memory/4864-18-0x0000000000820000-0x0000000000826000-memory.dmp

Download

memory/4864-19-0x0000000000850000-0x0000000000856000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads