a7a5cada86ee1e7eca4906c3d03f97766a2de6ce8d51af51460235adfd8cb01a

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 12:42

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General

Target
2026-07-02_f094c8bf37070a112fcf850a26680d2a_cryptolocker_elex.exe
Size 53KB
Sample260702-pxq9msgx8m
SHA256 a7a5cada86ee1e7eca4906c3d03f97766a2de6ce8d51af51460235adfd8cb01a
MD5 f094c8bf37070a112fcf850a26680d2a
SHA1 7b80f7fd0e27934b8b3f5e41362392d20e3f1d41
SHA512 f6e65f13eaebce73eecab5ae00123fb81dce1583268309fda9b69f5e692b781c6e3e717bb3f36847986b77a89e0635a0deff44b2ea6a97979ac2dc91f55a55f8
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzOQjGLL:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeGLL
TLSH
T122331F386FD51A72E377CAB585F682C3B936B8237822990D50CE17414C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Custom signature

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000016b4a-12.dat	CryptoLocker_rule2

Custom signature

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000016b4a-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4260	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	2026-07-02_f094c8bf37070a112fcf850a26680d2a_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 4404 wrote to memory of 4260	4404	2026-07-02_f094c8bf37070a112fcf850a26680d2a_cryptolocker_elex.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-02_f094c8bf37070a112fcf850a26680d2a_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_f094c8bf37070a112fcf850a26680d2a_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- 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:4260

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 53KB
SHA256 a651f0b2cc3414e17e1637c0fdeb5ef9e01331569408b11a4601ef66995d3bb6
MD5 49b28fbb8288e20e78bd044a8870674c
SHA1 ddd47448a9504420ea642b35e30ef97d293d0d4c
SHA512 9f937a087c6bc83a3e1ef7985a8d692100c5ede1050a094869d3d61d1f2bc0cbbe72cea021521326ac6d04b10a0d015b244b04fbcb9fedccc3e1f39068682780
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzOQjGL2:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeGL2
TLSH
T1AF331F386FD51A72E377CAB585F682C3B936B8237822990D40CE17410D33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4260-18-0x00000000021E0000-0x00000000021E6000-memory.dmp

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memory/4260-24-0x00000000021B0000-0x00000000021B6000-memory.dmp

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memory/4404-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

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memory/4404-8-0x00000000006F0000-0x00000000006F6000-memory.dmp

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memory/4404-2-0x0000000002260000-0x0000000002266000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads