1fa1fcf6f07faf3859c519e776323dfac97dc063b716609185691981738bee9d

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 01:37

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General

Target
2026-08-22_ba957f6fcc691b4e45c113c5cac35bed_cryptolocker_elex.exe
Size 37KB
Sample260823-b17h5sha39
SHA256 1fa1fcf6f07faf3859c519e776323dfac97dc063b716609185691981738bee9d
MD5 ba957f6fcc691b4e45c113c5cac35bed
SHA1 f3f92fe60efe07217308d1d33dc93ae8f4263b5e
SHA512 b1a0e630a12645e3b2d1456af6b9a0e6f98636eeb45410643a587426ed027a59456b461751b69777727ae98d5f88cfc0407699f3fb78a807f1493c482bd71dc4
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcW:Z6QFElP6n+gMQMOtEvwDpjyaYaGW
TLSH
T1690394366FC51AB2D773DAB185FB86C3B923BC2675328A0D50CE37054D33602A9A1D1E
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/0x00130000000118e9-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x00130000000118e9-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
6928	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	2026-08-22_ba957f6fcc691b4e45c113c5cac35bed_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 984 wrote to memory of 6928	984	2026-08-22_ba957f6fcc691b4e45c113c5cac35bed_cryptolocker_elex.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-22_ba957f6fcc691b4e45c113c5cac35bed_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_ba957f6fcc691b4e45c113c5cac35bed_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:984
- 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:6928

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4160

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 a24ddd04032927ad553b223a06e57b2821c896c27c7b2e5c85111d0989c59eee
MD5 598e7199f2c8ca84a587b92eaed2be9a
SHA1 79cdf99dc20d22f7c6f4ad0b6b9ecbdf7b234bdf
SHA512 32d2f2e4144462012980272a72cf137522a0d8245bcabed3a3ff04e50b4f75887a5fd3fa7a683b8cabaf716e43e59e79ff90ad593c8757b36cdbaf48185321cd
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axce:Z6QFElP6n+gMQMOtEvwDpjyaYaGe
TLSH
T1EA0394366FC51AB2D773DAB185FB86C3B927BC2675328A0D50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/984-0-0x0000000002150000-0x0000000002156000-memory.dmp

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memory/984-1-0x0000000002150000-0x0000000002156000-memory.dmp

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memory/984-2-0x0000000002280000-0x0000000002286000-memory.dmp

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memory/6928-18-0x0000000002150000-0x0000000002156000-memory.dmp

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memory/6928-24-0x0000000002130000-0x0000000002136000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads