Analysis
- max time kernel
150s - max time network
151s - 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, 06:52
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe
- Size 33KB
- Sample260820-hm8mlsca27
- SHA256 13fafef5f7b9068d1b80a5462e98ac4c340c933f5d41e005938b21122f139a3f
- MD5 a2022c1e0714cb7beb691a0ea217982b
- SHA1 8cb5657dcbe4b8483864297c4209b5288753b099
- SHA512 07eba64a519b6f217596541de147598fba27c90b18fa08d224825a3e1a4327af691605a8992e3a4051716adc3a61968989323915108e5da24b4d2fc85b52d5be
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j6t+DnrldfjDUUpuDz/mRZ4yfwUI:bA74zYcgT/Ekd8DrHfjZ0z/mwoI
- TLSH T114F2C8387BE62D72D37B9EB585F791C2B93578223D258C4E54CF23848932B52EC8254E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1272-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a000000011390-13.dat CryptoLocker_rule2 behavioral2/memory/4924-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4924-26-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4924 hasfj.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1272 wrote to memory of 4924 1272 2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4924
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 33KB
- SHA256 d35fdca6fc5cb3e54158034f3186e1c451a1be30b57e5d753f010a253e3e27f8
- MD5 337024d38960821bbf1f88a2185c86a6
- SHA1 8b0d1cd39eeba775242c11a294be37c19f86eab8
- SHA512 c14bfbc23fb05f32066582226590216a05baa30a0d582359e25a8cd7529096349a8a09b13ce326c1fea21136c8bb884d380265c52ae4976574e8e2197fababb6
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j6t+DnrldfjDUUpuDz/mRZ4yfwUD:bA74zYcgT/Ekd8DrHfjZ0z/mwoD
- TLSH T167F2D8387BE62D72D37BDEB585F791C2B93578223D15884E54CF23848932B52EC8254E
- MD5 SHA1 SHA512 SSDEEP TLSH