72431e31e6ee45d0dd941789251c3ebfa64b2f6661eb8ae00f7a1349ce654aae

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 07:28

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General

Target
2026-08-10_4b1acf06d2ade16a843dc72039f3216c_cryptolocker_elex.exe
Size 55KB
Sample260810-ja3fhadl4x
SHA256 72431e31e6ee45d0dd941789251c3ebfa64b2f6661eb8ae00f7a1349ce654aae
MD5 4b1acf06d2ade16a843dc72039f3216c
SHA1 c2b8eba58b085645f39d42dc89319ef463f26cde
SHA512 707f9990ace44898cb1d37dfb7342505288199812292f5512d1c0873560a6fd454b4c6d88da48e59b190cdc961ec9714990a9fbe9fe3b917cee10c1e65af3428
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y82E:Z6a+pOtEvwDpjv9O
TLSH
T1AA430F386FD51A72E3B7CAB585F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
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/0x000b000000011377-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000011377-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4168	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	2026-08-10_4b1acf06d2ade16a843dc72039f3216c_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 1396 wrote to memory of 4168	1396	2026-08-10_4b1acf06d2ade16a843dc72039f3216c_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_4b1acf06d2ade16a843dc72039f3216c_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_4b1acf06d2ade16a843dc72039f3216c_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- 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:4168

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 cd89e91f491f20df49a5d1b756ac80769766e566d223e80cedde29477723b5b0
MD5 510ad66581087d75949495e22850d7e9
SHA1 bec7de627be62ac3ad5ce85e39919a2b22f078cc
SHA512 2bb4ada719cafdb8aea262e552fbf1dbb13c515dc6912d507a71510d6cbd2968b3b4979b2a13f2c02144c3e0099fcf90ea5a16d6ac041e2915e33aac34b191da
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y82s:Z6a+pOtEvwDpjv9G
TLSH
T1BB430F386FD51A72E3B7CAB585F681C3B936B8227C22990D40CE17454C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1396-0-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/1396-1-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/1396-2-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/4168-18-0x0000000002260000-0x0000000002266000-memory.dmp

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memory/4168-24-0x0000000002230000-0x0000000002236000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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