Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 08:46
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe
Resource
win11-20260130-en
6 signatures
150 seconds
General
- Target 2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe
- Size 46KB
- Sample260423-kpsqaaft8x
- SHA256 509244328cffca8e9b33fe82ea845451ee1710aa27e2ebe91bcf1ac077a08a62
- MD5 6dbbdbacd9709aef485f28388484788b
- SHA1 0424d6d4ce1ff678880c65cbff9335794d7ed8bd
- SHA512 c0f31e37e82ca3dd5a859c6cb8ddd731f5241dad053bc4a2097d0bf2a8d0b0fd52d6e00c98f43337cd863a75563f286414480b20b3b62ada7d9d4371850cc7fe
- SSDEEP 768:IQz7yVEhs9+js1SQtOOtEvwDpjz9+4tKMxwnHiZNJYDQrz:Ij+jsMQMOtEvwDpj5Ht1xYiZwa
- TLSH T19E23DA36AFC51B72D27347B195F786C3F626BD663931894D90CA33090933B02A9B2D4E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x002d00000002b2ec-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x002d00000002b2ec-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4852 misid.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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2072 wrote to memory of 4852 2072 2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-23_6dbbdbacd9709aef485f28388484788b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072 -
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:4852
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 46KB
- SHA256 c280fe47fb76420da96a81de09be405019ef9ad674057123cfe8b8111c4ab9cf
- MD5 c8efd940576d1b6898557abe05da3268
- SHA1 a267057a1bcc8fd55b8368c28797dd3928c72d91
- SHA512 3b1d0226a0f1325d02661f890ffe4e0a0f8df531c326bb2eba5e99a7a3e401a566300db21ae14f867df5ec386309fc497537c513af56f5e069ed9adac9bef5a5
- SSDEEP 768:IQz7yVEhs9+js1SQtOOtEvwDpjz9+4tKMxwnHiZNJYDQro:Ij+jsMQMOtEvwDpj5Ht1xYiZw9
- TLSH T11E23DA36AFC51B72D27347B195F786C3F626BD663931894D90CA33090933B42A9B2D4E
- MD5 SHA1 SHA512 SSDEEP TLSH