70237076ba58294fb980dac74be29b3f4507a102dcdaf6960019f1e47851a670

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
22/08/2026, 17:45

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General

Target
2026-08-21_2489e1dbe5a2193e7084d44de8824aac_cryptolocker_elex.exe
Size 37KB
Sample260822-wbqvbafg86
SHA256 70237076ba58294fb980dac74be29b3f4507a102dcdaf6960019f1e47851a670
MD5 2489e1dbe5a2193e7084d44de8824aac
SHA1 ecb9effb41c887f355671bfdea083d740bf4aca5
SHA512 644e3788536f0abe4e94e89e472d56ef1a9c31bc60d816d1f9905ba4df3207381123fd1b5800bf96edc23b39b52166b4ef877abd36b0740d483a1ed4b3beabfd
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axMgM:Z6QFElP6n+gMQMOtEvwDpjyaYaa
TLSH
T18C03A4366FC51AB2D7739AB185FBC6C3B927BC2679328A0D50CE37054933602E961D1E
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/0x000a000000011390-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000011390-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
5420	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	2026-08-21_2489e1dbe5a2193e7084d44de8824aac_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 1116 wrote to memory of 5420	1116	2026-08-21_2489e1dbe5a2193e7084d44de8824aac_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_2489e1dbe5a2193e7084d44de8824aac_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_2489e1dbe5a2193e7084d44de8824aac_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116
- 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:5420

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 4f4f74c41d5d43184a5d683594e33f075e94c4a1dc3067c4be09777ecde6387e
MD5 306056b906dd8c1d9f65a4f43e0e65f8
SHA1 9a924bb36b9eac97679e9834618eee8ccac344c0
SHA512 7bfe673da6b45751c9d8c7962014b2f1124c62c5a72c37df85030e380ee84871744db543b29683b10338105b17bd6786f28951bd2cd7d46151806c1e5c62fa40
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axMg0:Z6QFElP6n+gMQMOtEvwDpjyaYai
TLSH
T1C00394366FC51AB2D7B39AB185FBC6C3B927BC267932890D50CE37054933602E961D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1116-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

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memory/1116-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

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memory/1116-2-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/5420-24-0x0000000002240000-0x0000000002246000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads