bfb9f6cc3cd348c4d7751d0ad07751a2742445f39a39356279eb6e47302129b0

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
04/08/2026, 20:12

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General

Target
2026-08-04_558cf10865a12a6bfa1912a74825d1da_cryptolocker_elex.exe
Size 83KB
Sample260804-yy98ksdn4s
SHA256 bfb9f6cc3cd348c4d7751d0ad07751a2742445f39a39356279eb6e47302129b0
MD5 558cf10865a12a6bfa1912a74825d1da
SHA1 787cacf4ee6fe8d5e4199eaf0cd5a9f9d3f1c333
SHA512 4bc2e1eb70d66b4d3eea62274a7e935a473104b0b19456556027364605a5b3bb18bc2d4946ab4bc389791462e81e578557f506eed5f25dbd2c8dc1b9ff7a3d9a
SSDEEP 1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQw3x:vCjsIOtEvwDpj5H8zPs+
TLSH
T1098375279EC03625F633C77686BEB6B264217CA37401F5EC7596BE7D1433A23A850A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001b1d0-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001b1d0-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1052	misid.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	2026-08-04_558cf10865a12a6bfa1912a74825d1da_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5536 wrote to memory of 1052	5536	2026-08-04_558cf10865a12a6bfa1912a74825d1da_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_558cf10865a12a6bfa1912a74825d1da_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_558cf10865a12a6bfa1912a74825d1da_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5536
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1052

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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misid.exe

Path C:\Users\Admin\AppData\Local\Temp\misid.exe
Size 84KB
SHA256 2b5017acf708e2364d39441a100b647d21e742ab27ee5b7e6136a524c524739b
MD5 9918fa11644c959610c1dc830a108b12
SHA1 9cd27a2b3bbdc58545dd9a5f8651400deab50387
SHA512 2c5594cab0dcd6d48b7dc96aecc6bac5060b8bd691aeb29ea34d0ba723eb135306e4e52cde30b965bc1e6cf4bb17e3de4af7fbae85f94b097f6821ef7873defe
SSDEEP 1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQw3a:vCjsIOtEvwDpj5H8zPsV
TLSH
T1E18375279EC02625F633C77686FEB6B264217CA37401F5EC7596BE7D1433A23A850A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5536-0-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/5536-1-0x0000000002260000-0x0000000002266000-memory.dmp

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memory/5536-7-0x0000000002240000-0x0000000002246000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads