e61f84cb2f6c947ecb473d434a7dbbfe86101c83d931df3c828a6fbfc403dafa

Analysis

max time kernel
150s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 12:45

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General

Target
2026-07-18_79116eabe313fd06814b36ad4e7ee824_cryptolocker_elex.exe
Size 54KB
Sample260718-py6eysby3m
SHA256 e61f84cb2f6c947ecb473d434a7dbbfe86101c83d931df3c828a6fbfc403dafa
MD5 79116eabe313fd06814b36ad4e7ee824
SHA1 ac36a2c76c9db4e3a057d5c43482945c8459890f
SHA512 e1ac5e4a7c00614ce799f0cf8dfd65b9e27cbb53db55bc46ed9352e010d0960753bb74d3958c488127ff6bb09f7f7f53b703bdcbc76dd0501a59a6e48e54d3f1
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8V:Z6a+pOtEvwDpjv9q
TLSH
T179430E386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
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/0x001200000001b664-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x001200000001b664-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2656	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	2026-07-18_79116eabe313fd06814b36ad4e7ee824_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 5192 wrote to memory of 2656	5192	2026-07-18_79116eabe313fd06814b36ad4e7ee824_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-18_79116eabe313fd06814b36ad4e7ee824_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-18_79116eabe313fd06814b36ad4e7ee824_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5192
- 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:2656

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 62cf12a87bea085ebc119b40e387b48ee3018b414e68d9fbf283cb3849fbeb09
MD5 5c0ad84ea722295118c937e69cfcc615
SHA1 05f2e70fad8a8f62ef06a9c7870282578209f3c4
SHA512 3fe21e0de6698625c0d50d2bc8bcf09dcecd758a5451de22f2d70d3484f9497694a2c8ae05bfe59ea822f3fa0d99b0550d7efe0871a425ba0a25b583fd3aed13
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8I:Z6a+pOtEvwDpjv9r
TLSH
T1AC430F386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2656-18-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/2656-19-0x0000000002260000-0x0000000002266000-memory.dmp

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memory/5192-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

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memory/5192-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/5192-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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