f37e2e8589a43af7fdb9301b8bc43dedf063afd6df648051c56059b2e328b5c9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
26/08/2026, 12:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
Size 35KB
Sample260826-ps2jtazalg
SHA256 f37e2e8589a43af7fdb9301b8bc43dedf063afd6df648051c56059b2e328b5c9
MD5 b5942ec05528cf5997f4fe8f156826c0
SHA1 b57ef73d6a6acef8cf24da59fc658c6913c2618f
SHA512 c7d4328aea859b26b5f26b72982cfdc4397309c75ce4895b470a5ed44c0cd46aa2992e42019ab69c9656d8f57ce68286379f74e0d461d849f55f9e99b006d253
SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFVzmZ7:bxNQIE0eBhkL2Fo1Csw8fjzg1Aq7
TLSH
T1DFF2B438BDD62C72E37B8F7589F751C6B879B8A239158D8E54CE27480D23B12AC9150E
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
behavioral1/memory/1732-2-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x00080000000244ea-13.dat	CryptoLocker_rule2
behavioral1/memory/1924-17-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1924-25-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation	2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation	pissa.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	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	2026-08-25_b5942ec05528cf5997f4fe8f156826c0_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 1732 wrote to memory of 1924	1732	2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:1924

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

pissa.exe

Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
Size 35KB
SHA256 7c12bd8085b6ce8119d3efe637d6e160675218f31f6c2bb5c16f372b4744538c
MD5 0ac8cc7f934d3b8c20ebb8d7a0aff77f
SHA1 eede95263124287d5e86af3f4a5d023ca364510c
SHA512 467a462c75aa3daed9353567e9076a672de3c21ed271e6465482aeb174136775e7e1736b6585f59ae0479dc457de1807e6259db8dfcaab80da08faf9fa4bd930
SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFVzmZd:bxNQIE0eBhkL2Fo1Csw8fjzg1Aqd
TLSH
T194F2B438BDD62872E37B8F7589F751C7B879B8A239158D8E54CE27480D33B12AC9150E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

memory/1732-0-0x0000000008004000-0x0000000008005000-memory.dmp

Download

memory/1732-1-0x0000000002250000-0x0000000002256000-memory.dmp

Download

memory/1732-2-0x0000000008000000-0x0000000008009000-memory.dmp

Download

memory/1732-3-0x0000000003150000-0x0000000003156000-memory.dmp

Download

memory/1924-17-0x0000000008000000-0x0000000008009000-memory.dmp

Download

memory/1924-19-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Download

memory/1924-25-0x0000000008000000-0x0000000008009000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads