3e1acaa8243f89f25432e496807901b1d381127e7c1caffe6d46e95772fcdaf0

Analysis

max time kernel
150s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/07/2026, 08:59

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General

Target
2026-07-24_a5c308b0958544f8b184e61372f5e832_cryptolocker_elex.exe
Size 54KB
Sample260724-kxpzcsvzgt
SHA256 3e1acaa8243f89f25432e496807901b1d381127e7c1caffe6d46e95772fcdaf0
MD5 a5c308b0958544f8b184e61372f5e832
SHA1 460a912f1d65738a359791206991d724b14e6856
SHA512 783f9ad5837b4b0cc3ad4c1b5752b4d27297d830f148a878149fc5a93eefcda7e0d86a98739e87d7b7dc31b88ed194dc5e06f0972800d03086d7bee6c7d2bf97
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y84:Z6a+pOtEvwDpjv97
TLSH
T102430F386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
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/0x001100000001b671-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x001100000001b671-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
5556	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	2026-07-24_a5c308b0958544f8b184e61372f5e832_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 2296 wrote to memory of 5556	2296	2026-07-24_a5c308b0958544f8b184e61372f5e832_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-24_a5c308b0958544f8b184e61372f5e832_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-24_a5c308b0958544f8b184e61372f5e832_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- 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:5556

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 54KB
SHA256 be5465212daa6ea4950c43f60a722e7a96125f0bfc6a801a10b662c857e48698
MD5 c737ebf603830fc7053e42d7aa219ac2
SHA1 9cbcec730cd490cc4d18872cb5fd2683f81118e5
SHA512 573f99593236cc2acdbfb55daa34f92367bb9619637906230ce4a88dc17eb7e4e1ff59bf52bc4a7635e07b06a3da6e3ad5c0bcd1469e1190da208fff15753699
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8c:Z6a+pOtEvwDpjv93
TLSH
T11F430F386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2296-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/2296-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/2296-2-0x0000000002260000-0x0000000002266000-memory.dmp

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memory/5556-18-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/5556-24-0x00000000021B0000-0x00000000021B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads