33b630574baf9e50f999db0ab057074e0590f08c74b500d665a31845d30971d5

Analysis

max time kernel
148s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 17:23

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General

Target
2026-08-16_97b25d2f87a4c4b601cf43ed43cdc05b_cryptolocker_elex.exe
Size 55KB
Sample260816-vx5d6afk3x
SHA256 33b630574baf9e50f999db0ab057074e0590f08c74b500d665a31845d30971d5
MD5 97b25d2f87a4c4b601cf43ed43cdc05b
SHA1 9a6bf07faf2b76fd0a4855b8562ff32958f69805
SHA512 869634db04b2155ba14625a2cec763c3452878cc647e3ef64903b07793872bae560b375102727fbfd0ed8d95f6b5bfbb1eae0358fee014a6463f2d45ebe16181
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8p:Z6a+pOtEvwDpjv9O
TLSH
T12F43FE386FD51A72E377CAB586F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
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/0x000b000000019caa-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000019caa-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1748	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	2026-08-16_97b25d2f87a4c4b601cf43ed43cdc05b_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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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	asih.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 1748	3304	2026-08-16_97b25d2f87a4c4b601cf43ed43cdc05b_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-16_97b25d2f87a4c4b601cf43ed43cdc05b_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-16_97b25d2f87a4c4b601cf43ed43cdc05b_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3304
- 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:1748

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 55KB
SHA256 260d799cd6f00f4a698b70dd0b0003e2e452993737f2b67db5c151e3b6685418
MD5 aa493ef48620073d79738a3569f48e3b
SHA1 dae788cc92e202a313743c0867cb733c872b04d1
SHA512 1a1465cd32266368765fe74a9736fdd4ef21c07a657fea87c4f04171b00f08235ebad4276076b9f2fee33f3e91f9ceb83dfedc714b79b40422e5cda8475c8571
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8g:Z6a+pOtEvwDpjv9T
TLSH
T1C443FE386FD51A72E377CAB586F681C2B936B8227C22990D50CE17450C33F56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1748-18-0x0000000002080000-0x0000000002086000-memory.dmp

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memory/1748-19-0x0000000002280000-0x0000000002286000-memory.dmp

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memory/3304-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/3304-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/3304-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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