a45eaac081ea37b7645cbdcc278ca99317da76ff31de6924d42477e5c9cb7672

Analysis

max time kernel
148s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 04:50

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General

Target
2026-07-30_e02a4fb8aa87a25d5abf6c60bdad1aba_cryptolocker_elex.exe
Size 50KB
Sample260730-ff89fsca35
SHA256 a45eaac081ea37b7645cbdcc278ca99317da76ff31de6924d42477e5c9cb7672
MD5 e02a4fb8aa87a25d5abf6c60bdad1aba
SHA1 c2cab4dc08b16d4dd4d638af93a9c6694ccc677d
SHA512 bc457c433a599489f650f2b181fba72dcc38f98d6f74a59406bf44cd1b472a79d410c8dc6a8b845411f1e2886d744b24db5b3d9f2d8d6d342614374d8e4b4331
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCE:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5RE
TLSH
T144331E395ED51A73E3B7CAB6C5F681C3B922B8233922990D50CE27414D33B52EDA1D1E
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
3432	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	2026-07-30_e02a4fb8aa87a25d5abf6c60bdad1aba_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 2648 wrote to memory of 3432	2648	2026-07-30_e02a4fb8aa87a25d5abf6c60bdad1aba_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-30_e02a4fb8aa87a25d5abf6c60bdad1aba_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_e02a4fb8aa87a25d5abf6c60bdad1aba_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- 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:3432

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 50KB
SHA256 40b12e43b1c1506dc8416ab48b65dd1a8a90902caaad84c5e9143219d67a26fa
MD5 6ef6e31c315343f3e5ea80988c197377
SHA1 82dd53ea52e2181719365645f55f9ad2f024992b
SHA512 935e193504df9e8ed12002ce99a70ea578d5ef8b246bd7417dbf4325548a1705ec24445db4a77f88d7591d9fcd36b276d774da359f8bae90b030dda617a04b76
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCI:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5RI
TLSH
T10B331E395ED51972E3B7CAB6C5F682C3B922B8233922990D50CE27414D33B52EDA1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2648-0-0x0000000002230000-0x0000000002236000-memory.dmp

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memory/2648-1-0x0000000002230000-0x0000000002236000-memory.dmp

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memory/2648-2-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/3432-24-0x0000000002140000-0x0000000002146000-memory.dmp

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memory/3432-18-0x0000000002160000-0x0000000002166000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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