520b8b3b319b736beaa0082ebb0f39f76c87ef78f0740512414bbe1356993574

Analysis

max time kernel
148s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/07/2026, 03:19

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General

Target
2026-07-19_218e4657dcf2c37ba626a72df0384fd1_cryptolocker_elex.exe
Size 54KB
Sample260719-dvg3eadw4w
SHA256 520b8b3b319b736beaa0082ebb0f39f76c87ef78f0740512414bbe1356993574
MD5 218e4657dcf2c37ba626a72df0384fd1
SHA1 b10abcae7401d80ab59d651c423125bff0a972aa
SHA512 5deb01e6391308e6274204174ff7980ebf17928a254b4935e9c8520979d80a063b70121c5f013242c83fc807fa82c3c1eb7690056df2e6b9ab33cb36b65d56f9
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8M:Z6a+pOtEvwDpjv9v
TLSH
T12E430E386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
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/0x000600000001b85f-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b85f-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4796	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	2026-07-19_218e4657dcf2c37ba626a72df0384fd1_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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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	asih.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 4796	3412	2026-07-19_218e4657dcf2c37ba626a72df0384fd1_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-19_218e4657dcf2c37ba626a72df0384fd1_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_218e4657dcf2c37ba626a72df0384fd1_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412
- 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:4796

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 54KB
SHA256 9690da66d778ae81d79c081016dab569ddd6fa489294e400c271394e973032ad
MD5 72c52fb5b65f3beebd9655ff9a9fa54a
SHA1 714e0d1262fdb13c05d98da7142bac3fe5b5bfd3
SHA512 c15c16c30deb78aec148a82fb70e3eecc7352dd8030a156670f321439b6c8ffc2c6dcbea3551253d1f7b0e88a61736edaf6614c92d0ea2d82beef93570ecce0d
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8+:Z6a+pOtEvwDpjv9J
TLSH
T101430E386FD51A72E377CAB585F682C3B936B8227C22990D50CE17414C33B56EDA1E1E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3412-0-0x0000000002230000-0x0000000002236000-memory.dmp

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memory/3412-1-0x0000000002230000-0x0000000002236000-memory.dmp

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memory/3412-2-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/4796-19-0x0000000000840000-0x0000000000846000-memory.dmp

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memory/4796-18-0x0000000000810000-0x0000000000816000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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