a802b809929a820a7c1fc9561c904f0608beadb347e8bd2b884ce9835f830fd0

Analysis

max time kernel
150s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 18:05

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General

Target
2026-08-24_1a29f1a64ab1d3f379ed43d67a23ecf1_cryptolocker_elex.exe
Size 55KB
Sample260825-wpnl4sac75
SHA256 a802b809929a820a7c1fc9561c904f0608beadb347e8bd2b884ce9835f830fd0
MD5 1a29f1a64ab1d3f379ed43d67a23ecf1
SHA1 c51a29059b0260575c09d1703341159415bf6554
SHA512 6eb61dc192159da6771d5b964a7cb0fec06e74ad30691e033046a8d1e537eb893fe4daf29cfdefda912e64139e8b15c369166777c1dbbc017d603d4791794e1a
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8Xv:Z6a+pOtEvwDpjv9uv
TLSH
T1B2430F386FD51A72E3B7CAB585F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
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/0x00180000000118e0-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x00180000000118e0-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
6388	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	2026-08-24_1a29f1a64ab1d3f379ed43d67a23ecf1_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 5780 wrote to memory of 6388	5780	2026-08-24_1a29f1a64ab1d3f379ed43d67a23ecf1_cryptolocker_elex.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-24_1a29f1a64ab1d3f379ed43d67a23ecf1_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_1a29f1a64ab1d3f379ed43d67a23ecf1_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5780
- 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:6388

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 87ae0c149684b047cbe785a51dfc4f5177e31ac1dc46ca546e1bef2a07ab7f56
MD5 1424bb382e4a09edfa41f3eb32ae9cc5
SHA1 dc6885f088de50e7de94b85f078b3f76d9a14450
SHA512 f50b7ccaadbd1eefd20c3cf021a48ede1e644a2111c9a8edfacc400a3b1499704204f644dc8647a79d7290f1c68e5516250235d7fbd657c685bca6ed5f924257
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8X4:Z6a+pOtEvwDpjv9u4
TLSH
T1D4430F386FD51A72E3B7CAB585F681C3B936B8227C22990D50CE17450C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5780-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/5780-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/5780-2-0x00000000020E0000-0x00000000020E6000-memory.dmp

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memory/6388-24-0x0000000002140000-0x0000000002146000-memory.dmp

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memory/6388-18-0x0000000002170000-0x0000000002176000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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