671a4269cc517bb7205dd98525baab1a5cfd5478ffe2bb7f3dbaf33007df2fd1

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 10:31

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General

Target
2026-08-14_423432513b6029fe80ef984e339fc284_cryptolocker_elex.exe
Size 38KB
Sample260814-mkf7sshq3x
SHA256 671a4269cc517bb7205dd98525baab1a5cfd5478ffe2bb7f3dbaf33007df2fd1
MD5 423432513b6029fe80ef984e339fc284
SHA1 1e02604ef57d66b4145ad66e853d3b1a39524a27
SHA512 8c0141c5b65faa9ecabad1c3d0e2a4f2daa2e5c9a0de2b77c519f198a664c3e491a36bd07137943bb25d6ca36095ca3bcfc755e9e2f2c1b3d45827e8bdf3d650
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axMgu:Z6QFElP6n+gMQMOtEvwDpjyaYaw
TLSH
T1BC0383356FC51AB2D7739AB185FB86C3B927BC267932894D90CE37014933602EDA1D1E
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/0x00080000000068df-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000068df-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
200	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	2026-08-14_423432513b6029fe80ef984e339fc284_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 1004 wrote to memory of 200	1004	2026-08-14_423432513b6029fe80ef984e339fc284_cryptolocker_elex.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-14_423432513b6029fe80ef984e339fc284_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_423432513b6029fe80ef984e339fc284_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- 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:200

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 594b7eed4ee27f5fc2017f8abf1af29c0f4f0372699977838e075b3c03c612b3
MD5 449ff0a55e90f9ecb0b83a38eff2fbe5
SHA1 f5b876d78e4bfecebe4814399accecd476b954ea
SHA512 6a75bdc478528c613b69da9ef8690d5171a782d5e604a2fe0e6b25bb04e1d496ae5e2f9991721c83b42efc347a681eb9b1a3f50a46fa33fdf16662a653b6f0ad
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axMgP:Z6QFElP6n+gMQMOtEvwDpjyaYad
TLSH
T1750383356FD51AB2D7739AB185FB86C3B927BC267932890D50CE37014933A02ED61D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/200-24-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/200-18-0x0000000002160000-0x0000000002166000-memory.dmp

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memory/1004-0-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/1004-1-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/1004-2-0x0000000002260000-0x0000000002266000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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