3d74ae55b3c804eab60ab2d4c57c09f44f8660ed07b96f3c46672691a666ea22

Analysis

max time kernel
148s
max time network
140s
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, 06:41

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General

Target
2026-08-20_f2a042d69d088428f2f663162c54de88_cryptolocker_elex.exe
Size 24KB
Sample260820-hf5mdatzas
SHA256 3d74ae55b3c804eab60ab2d4c57c09f44f8660ed07b96f3c46672691a666ea22
MD5 f2a042d69d088428f2f663162c54de88
SHA1 d7fe3b425d266bd0520d1311ac0e5973b296fec7
SHA512 176f934b716aaa51632b8ab9e9337ccb8d732090046875f9b5eb34905d753c21b3c6d89423ea7641983c736e75ca3e3588bacc6ea9634a48389c45ca22740a39
SSDEEP 384:FbtjL8L1iE0eBhkzPbKAaomTqC9MWRbfjDgmy:FNQIE0eBhkL2Fo1CCW1fjI
TLSH
T11FB23E22F4877CA1E07B0F3428B7A12655BE7DE036284ACFB99EB71DBB706516401196
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral2/files/0x001b0000000187a6-13.dat	CryptoLocker_rule2
behavioral2/memory/4432-18-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/5184-48-0x0000000008000000-0x0000000008009000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
5184	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	2026-08-20_f2a042d69d088428f2f663162c54de88_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 4432 wrote to memory of 5184	4432	2026-08-20_f2a042d69d088428f2f663162c54de88_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_f2a042d69d088428f2f663162c54de88_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_f2a042d69d088428f2f663162c54de88_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4432
- 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:5184

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 24KB
SHA256 b38d28fae2026697b2cd7793f2402ecfce91e90eec32f30fb2781af33d990d1c
MD5 aab9ec1e05b3589690184e7cf2f3a883
SHA1 49a75d57a27ea8e3594c2999d307e4645b0ddc0b
SHA512 087300d4259652bcf83185ca58a2fe4d8bf2009c41b39855b83b0118466cee340d3f3dc7109c0a36b4c86485c87d960bd4231baa2ce3320d29723f85ffe542dc
SSDEEP 384:FbtjL8L1iE0eBhkzPbKAaomTqC9MWRbfjDgmA8:FNQIE0eBhkL2Fo1CCW1fja8
TLSH
T190B24D22F4873CA1E07B0F3428FBA12655BE7DE036284ACFB99EB71DBB716516401196
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/4432-0-0x0000000008004000-0x0000000008005000-memory.dmp

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memory/4432-1-0x0000000002290000-0x0000000002296000-memory.dmp

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memory/4432-2-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/4432-3-0x00000000022C0000-0x00000000022C6000-memory.dmp

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memory/4432-18-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/5184-19-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/5184-21-0x00000000037F0000-0x00000000037F6000-memory.dmp

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memory/5184-27-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/5184-36-0x0000000008000000-0x0000000008009000-memory.dmp

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memory/5184-48-0x0000000008000000-0x0000000008009000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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