55affe335303e0ddc61f489fe41c001f571da3c1f7257fae24fca38a446c04bb

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 09:34

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General

Target
2026-07-29_57604d6386c66d51c38d95e5a477779d_cryptolocker_elex.exe
Size 45KB
Sample260729-lj4e9s1arb
SHA256 55affe335303e0ddc61f489fe41c001f571da3c1f7257fae24fca38a446c04bb
MD5 57604d6386c66d51c38d95e5a477779d
SHA1 bdd3d5486186a913a5633cec9683dac5ed823f70
SHA512 1f1dc94f18a5d02737ffcd23dc769e3745d17ead07ef03fbb6c36dbc1d7f0f5fe88e6196ea541cbdd63c7608e3c23e3d6f230ee994c84da1008f9e8692a000e2
SSDEEP 768:PA8XobyVW4Y0tyRllyzkST3t5XdrDmjr5tOOtEvwDpj:PAk/xY0sllynVDmjr5MOtEvwDpj
TLSH
T16F237CD3F38E3CADE41215B5EE3E8A0170077EB955B15AC43A9D761BC6B32427092D2B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/memory/5672-0-0x0000000000500000-0x0000000000511000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/memory/5672-0-0x0000000000500000-0x0000000000511000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/memory/5672-0-0x0000000000500000-0x0000000000511000-memory.dmp	UPX

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4644	5672	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 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	2026-07-29_57604d6386c66d51c38d95e5a477779d_cryptolocker_elex.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-29_57604d6386c66d51c38d95e5a477779d_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_57604d6386c66d51c38d95e5a477779d_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5672 -s 244
  2⤵
  - Program crash
  PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5672 -ip 5672
1⤵
PID:3344

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5672-0-0x0000000000500000-0x0000000000511000-memory.dmp

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