3bc67a451c207046ac35860203af3b44a080192be7d7654d618b35816f033293

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 00:44

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General

Target
2026-08-01_55e4f9ddc41ae90c27a81cd4bb5bed4d_cryptolocker_elex.exe
Size 97KB
Sample260802-a3m2vabb29
SHA256 3bc67a451c207046ac35860203af3b44a080192be7d7654d618b35816f033293
MD5 55e4f9ddc41ae90c27a81cd4bb5bed4d
SHA1 b2c9de1106426b33150fa560203c3db37bba06f8
SHA512 7c16cc4e4145078be63ea9e58ba75611efbf94ce6aecfbc9cdc3f21400cbfa905d7a974149017e214d65f362bd2389b614240503716edfc006e3dd90bf34115f
SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQqL:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNk
TLSH
T19AA3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADF290E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001b884-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001b884-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2104	hurok.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	2026-08-01_55e4f9ddc41ae90c27a81cd4bb5bed4d_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 2104	4964	2026-08-01_55e4f9ddc41ae90c27a81cd4bb5bed4d_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_55e4f9ddc41ae90c27a81cd4bb5bed4d_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_55e4f9ddc41ae90c27a81cd4bb5bed4d_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2104

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

hurok.exe

Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
Size 97KB
SHA256 ae8a1dbe993973e178e6cce0e9cff145bbfb1338110915eb55d5c1ab763d74e7
MD5 f02e4801f23e2d2398243a55ef6b9f1e
SHA1 a0f45ebf0dc895dcddf5f61a65fe2b929ec5eaf8
SHA512 237a0a7bc2bf38779793b314c8960a7ac620402c01edaa10acf76ec4f997a4327734d8177deecc6d2372c5d8076088e9d7fa4e1fe63540935e35e2bb9115bd49
SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQqq:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNJ
TLSH
T1A6A3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4964-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

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memory/4964-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

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memory/4964-2-0x0000000000400000-0x0000000000406000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads