687344585a5419cf063218e91dbff0a1a5140e078953fcbc815c4d2689bd7242

Analysis

max time kernel
148s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 07:21

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General

Target
2026-08-10_d32b97eca30d48de8a0c138a1cbb0f77_cryptolocker_elex.exe
Size 46KB
Sample260810-h61q4sysat
SHA256 687344585a5419cf063218e91dbff0a1a5140e078953fcbc815c4d2689bd7242
MD5 d32b97eca30d48de8a0c138a1cbb0f77
SHA1 f6ca27dcd474bc02de8af579981530eea4fb9eaa
SHA512 626878d23533ef93790ef6efe68198fef94e9428de56443220e3dcdaa5ab2c00d291fd0cf3e175f697be21fc1fcd1aad1ececf11d511d914d482505dea67e9fa
SSDEEP 768:bwNQIE0eBhkL2Fo1CywQfj+gtAeWwQEhFGANb66:bwNrC7kYo11hvmellZ66
TLSH
T194230E38AED52972E3BBDE7985F750C6B978B4633E018C4E50CA57440C23F26EDA161E
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/4600-2-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000b00000001b896-13.dat	CryptoLocker_rule2
behavioral2/memory/4428-18-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4428-20-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
4428	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	2026-08-10_d32b97eca30d48de8a0c138a1cbb0f77_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 4600 wrote to memory of 4428	4600	2026-08-10_d32b97eca30d48de8a0c138a1cbb0f77_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_d32b97eca30d48de8a0c138a1cbb0f77_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_d32b97eca30d48de8a0c138a1cbb0f77_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600
- 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:4428

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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pissa.exe

Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
Size 46KB
SHA256 4d792af47c9491d8d9a7f3169e319d9e3ca9e75d9b4ea737c4fc366333779ea1
MD5 960930ec998e047ffe5b29533dd052bf
SHA1 53db38bc77efb96b5e78f9131862d20215014a45
SHA512 56511e02118a7adcdd5ec0f344a554530411698132a6465caef43fabe9ef763962db501dd664c4af54c81b527627d4304d084bdf40375db31ca5bd8283b220a6
SSDEEP 768:bwNQIE0eBhkL2Fo1CywQfj+gtAeWwQEhFGANb6l0n:bwNrC7kYo11hvmellZ6l0n
TLSH
T14A230E38AED52972E3BBDE7985F750C6B978B4633E018C4E50CA57440C23F26EDA161E
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/4428-18-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/4428-20-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/4428-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

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memory/4600-0-0x0000000008004000-0x0000000008005000-memory.dmp

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memory/4600-1-0x0000000002280000-0x0000000002286000-memory.dmp

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memory/4600-2-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/4600-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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