1eb3f278edc27ebf1a1bd8279d8b102e834e539b8f7b70c1f14050adbfa259ac

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/07/2026, 03:18

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General

Target
2026-07-19_36a743e94744ead247cfb998bd14fa0d_cryptolocker_elex.exe
Size 54KB
Sample260719-dtmlhaax4q
SHA256 1eb3f278edc27ebf1a1bd8279d8b102e834e539b8f7b70c1f14050adbfa259ac
MD5 36a743e94744ead247cfb998bd14fa0d
SHA1 09bfbacbd51686f7c28ba73dd159568075228c8b
SHA512 63a3a3bdd1597a8c9a60e2252d95aadaaf6a741a65d9e96f3976d14a651d2c26792f234f06abdb1a3564a392f516ea0c28bae4d7638d3624d0840383ae3b9fa9
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8R:Z6a+pOtEvwDpjv92
TLSH
T1AB430E386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
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/0x000a00000001b85c-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000a00000001b85c-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
5792	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	2026-07-19_36a743e94744ead247cfb998bd14fa0d_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 3824 wrote to memory of 5792	3824	2026-07-19_36a743e94744ead247cfb998bd14fa0d_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-19_36a743e94744ead247cfb998bd14fa0d_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_36a743e94744ead247cfb998bd14fa0d_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824
- 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:5792

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 169d539d4e1868bd94d4b3f9cdf7496fce32ce721289eaa5b3c0211ce0ade6e9
MD5 cd3b57fbd77cbcf1bc018c3c0b394fee
SHA1 f75dc9d873c3f3e13cf40ed0c04a8dea2a4d08bd
SHA512 09ba2e9432de1ff5bbf4a62e276c932f0f7328a5ed984256e7f38f1e976e7fc7f960a33a23d03ed413f7abed8d0de85f6408bc7c2f76a65e478a9d1c56495696
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8j:Z6a+pOtEvwDpjv9A
TLSH
T18F430E386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3824-1-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/3824-0-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/3824-2-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/5792-18-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/5792-19-0x00000000020D0000-0x00000000020D6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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