7432337b6760301e1026a759d5764aa448614104312c797dda750d5ef696f11c

Analysis

max time kernel
148s
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
26/08/2026, 13:05

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General

Target
2026-08-25_b1d79dd75b275da3de18ce5b50ee2b66_cryptolocker_elex.exe
Size 33KB
Sample260826-qbkemsde99
SHA256 7432337b6760301e1026a759d5764aa448614104312c797dda750d5ef696f11c
MD5 b1d79dd75b275da3de18ce5b50ee2b66
SHA1 777d9822f0fdda5ab390f0c788a40b16e75bb6f0
SHA512 40d81409980dff389a8dd9e56d81e85d86e2913c782ae9e113d0181781628dbb757c65beb160690cb827ec2b4f73429d1a83c92267722015735c61d67f1b177a
SSDEEP 768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajFSqhHKjKV:X6QFElP6n+gJQMOtEvwDpjBc4qhHKuV
TLSH
T14DE2FA326FC60EB6DA639BB245FBC783A527FD766132874DA0CD3B068A33101A551D1E
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/0x000d000000019cd9-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000019cd9-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3624	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	2026-08-25_b1d79dd75b275da3de18ce5b50ee2b66_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 916 wrote to memory of 3624	916	2026-08-25_b1d79dd75b275da3de18ce5b50ee2b66_cryptolocker_elex.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-25_b1d79dd75b275da3de18ce5b50ee2b66_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_b1d79dd75b275da3de18ce5b50ee2b66_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:916
- 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:3624

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 33KB
SHA256 717ed9f058986d4438198ee684947b0f6631e4ffee09b6300eb06646beadd556
MD5 58d1e40708a08879b26d75de42c02dfe
SHA1 50822fa71be70a90338301967f3a4b4dfbeccf25
SHA512 3d445ceca361464fb3603a38bf1733966fcc39919413dbda0e6cf0353e1319baa90ace6566c7e98a807914fd2e57178d77b2eae3e7e78ac55c52ccdce527acbc
SSDEEP 768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajFSqhHKjKB:X6QFElP6n+gJQMOtEvwDpjBc4qhHKuB
TLSH
T136E2F9326FC60EB6DA639BB249FBC783A527FD756132874DA0CD3B068A33101A551D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/916-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/916-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/916-2-0x00000000020E0000-0x00000000020E6000-memory.dmp

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memory/3624-18-0x0000000002120000-0x0000000002126000-memory.dmp

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memory/3624-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads