e57022c4bf819593724550b9c4de7fe48239d87b4520f392f8599ac927cf6a27

Analysis

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

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/08/2026, 00:32

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General

Target
2026-08-19_2e2174cc1e21a159594ae55ceef1dca8_cryptolocker_elex.exe
Size 43KB
Sample260820-avlttacm21
SHA256 e57022c4bf819593724550b9c4de7fe48239d87b4520f392f8599ac927cf6a27
MD5 2e2174cc1e21a159594ae55ceef1dca8
SHA1 5708aad5663a6bfd43ed0539791fcc4b40ce740b
SHA512 80101da62d7a72e7e10bc4fcf5cf31d503d36fc56876692a3bb6a077faa501ff20df78618c3c056ce12defbf41593246fb543329b5e7f808c7394bcd04243bbe
SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg7ycLaMVwc5LXheNtvi72:bxNrC7kYo1FxfWceMVwcdhebi72
TLSH
T13F136138ADD56973D37BCBB989F751C6B839B86239058D8E50CB27480D23F13ACA151E
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/1388-2-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000024388-13.dat	CryptoLocker_rule2
behavioral1/memory/2132-17-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2132-19-0x0000000008000000-0x0000000008009000-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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	2026-08-19_2e2174cc1e21a159594ae55ceef1dca8_cryptolocker_elex.exe
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	pissa.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	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_2e2174cc1e21a159594ae55ceef1dca8_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 1388 wrote to memory of 2132	1388	2026-08-19_2e2174cc1e21a159594ae55ceef1dca8_cryptolocker_elex.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-19_2e2174cc1e21a159594ae55ceef1dca8_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_2e2174cc1e21a159594ae55ceef1dca8_cryptolocker_elex.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388
- 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:2132

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

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Downloads

pissa.exe

Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
Size 43KB
SHA256 240450a93c8aaeea237bdd1b55f20aee8479c8522be5ec5859458f1d7cbdeaf9
MD5 09e0db2285d4e39f4c4ec6ccba7ad6f7
SHA1 4c6fdcb7ec173d3859973a1d971fa6f59665b5df
SHA512 2487be14edd6c144fa922d8f2553cdb7aee5e790babcd8eb9bf1f3fac28704309e91a9c6c8462c2afb7f7e3550990b737144d02502153fffe760c5a9188d442b
SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg7ycLaMVwc5LXheNtvi7ZS:bxNrC7kYo1FxfWceMVwcdhebi7ZS
TLSH
T142136138ADD56972D37BCBB989F751C6B839B86239018D8E50CB27480D23F13ADA151E
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/1388-0-0x0000000008004000-0x0000000008005000-memory.dmp

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memory/1388-1-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/1388-2-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/1388-3-0x0000000002270000-0x0000000002276000-memory.dmp

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memory/2132-17-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/2132-20-0x0000000003000000-0x0000000003006000-memory.dmp

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memory/2132-19-0x0000000008000000-0x0000000008009000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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