30ee5326b434e8cadc804560978c54304e88b0d7e844bd97051bfc3f5325f94f

Analysis

max time kernel
148s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 00:09

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General

Target
2026-08-19_897a2b06511006c5c465f4c586d828c2_cryptolocker_elex.exe
Size 33KB
Sample260820-afk9qsad52
SHA256 30ee5326b434e8cadc804560978c54304e88b0d7e844bd97051bfc3f5325f94f
MD5 897a2b06511006c5c465f4c586d828c2
SHA1 ab7256ca218f5bdadc8a27db63ca8c19caeb50c6
SHA512 3bb44d2f6106176e9406c2b651e77aa1491902abce8b95c3862b11af8727497c249586b07a4790db04e04ed5bc2b5b1ea9b00010244521b0d9b0e83a07a76fde
SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFEwNWC:bxNQIE0eBhkL2Fo1Csw8fjzg1AvV
TLSH
T187F2D538BDD62C72E27B8F7584F751C7B879B8A23A158D8E54CE23485D33B12AC9150E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/928-2-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000e00000001c4bf-13.dat	CryptoLocker_rule2
behavioral2/memory/240-18-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/240-26-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
240	pissa.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	2026-08-19_897a2b06511006c5c465f4c586d828c2_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.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\47BEABC922EAE80E78783462A79F45C254FDE68B	pissa.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\47BEABC922EAE80E78783462A79F45C254FDE68B\Blob = 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	pissa.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 240	928	2026-08-19_897a2b06511006c5c465f4c586d828c2_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_897a2b06511006c5c465f4c586d828c2_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_897a2b06511006c5c465f4c586d828c2_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:240

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

pissa.exe

Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
Size 33KB
SHA256 2a2539a038013dd92f6ac320eabf4aa52ee0e2881e48e010c0d9665a2579a9dc
MD5 a08119e0526f7d6ecc4b8482dc6ef432
SHA1 db486962a3eb373d2a321da9e586a9dd1096c3a8
SHA512 ef187fedccf36f417c745ef3f6a845017b0d75ef11785978ab4a9a547d09e07161dd7bcebb483603c9853868e96fec1f5e4025ff45ed1af23ba04adaef893c4c
SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFEwNWJ:bxNQIE0eBhkL2Fo1Csw8fjzg1Ave
TLSH
T18FF2D538BDD62C72E27B8F7585F751C7B879B8A23A158D8E54CE23481D33B12AC9150E
MD5 SHA1 SHA512 SSDEEP TLSH

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pissec.exe

Path C:\Users\Admin\AppData\Local\Temp\pissec.exe
Size 114B
SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
MD5 e89f75f918dbdcee28604d4e09dd71d7
SHA1 f9d9055e9878723a12063b47d4a1a5f58c3eb1e9
SHA512 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0
TLSH
T1EEB092DDBC61E48018E535511EA3B60D146A22EBB9018B4018C00836A96035F8D0AAC5
MD5 SHA1 SHA512 TLSH

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memory/240-18-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/240-20-0x0000000002180000-0x0000000002186000-memory.dmp

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memory/240-26-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/928-0-0x0000000008004000-0x0000000008005000-memory.dmp

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memory/928-1-0x0000000002290000-0x0000000002296000-memory.dmp

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memory/928-2-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/928-3-0x00000000022C0000-0x00000000022C6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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