7c5c01b8bf0303a6e945ba3c4295590374adc30f6236067dce1564c5ec296cbb

Analysis

max time kernel
150s
max time network
147s
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, 03:51

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General

Target
2026-08-22_912e395dc6bfd66ad94b9dd70327f109_cryptolocker_elex.exe
Size 37KB
Sample260822-ees1eaep7s
SHA256 7c5c01b8bf0303a6e945ba3c4295590374adc30f6236067dce1564c5ec296cbb
MD5 912e395dc6bfd66ad94b9dd70327f109
SHA1 fc61b9cb275beb35e66c1bace0743b110a4cbbbf
SHA512 af6ef3dec298809c06ae82fcaf75d85c0841f943cc520eb81faa9c5771aa10cd764ca1260013e346dc83e25f6711665328bed2fa444f1f2d376fae8e4613ba6a
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcD:Z6QFElP6n+gMQMOtEvwDpjyaYaGD
TLSH
T17F0394366FC51AB2D7739AB185FB86C3B923BC2675318A0D50CE37054D33602A9A1D1E
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/0x000800000001b85a-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001b85a-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3112	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	2026-08-22_912e395dc6bfd66ad94b9dd70327f109_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 2968 wrote to memory of 3112	2968	2026-08-22_912e395dc6bfd66ad94b9dd70327f109_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-22_912e395dc6bfd66ad94b9dd70327f109_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_912e395dc6bfd66ad94b9dd70327f109_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:3112

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 37KB
SHA256 b3b7288ba62535a7b9c8120fa0aebc64296ca86c89413a99c5162923b08f75e5
MD5 bf65f36b9cd8b18208880c05e68ef0a8
SHA1 d3fc5c1188c7d29451e8a6c3fd4e1477460f57b8
SHA512 91b74ed98aa1d783528fa22e8c07f983600dd1a2344463a4c1ecd2c125b28844561900381b6a59ce20fa73c1011ac4c9bc7071e01a90e5c9f92dfbde48119142
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcU:Z6QFElP6n+gMQMOtEvwDpjyaYaGU
TLSH
T1C90394366FC51AB2D773DAB185FB86C3B927BC2675318A0D50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2968-0-0x00000000021B0000-0x00000000021B6000-memory.dmp

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memory/2968-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/2968-8-0x00000000021B0000-0x00000000021B6000-memory.dmp

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memory/3112-18-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/3112-24-0x0000000002080000-0x0000000002086000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads