Overview
overview
10Static
static
3Cryptic Re....4.rar
windows11-21h2-x64
3Cryptic Re...ok.dll
windows11-21h2-x64
1Cryptic Re....4.exe
windows11-21h2-x64
10Cryptic Re...ts.dll
windows11-21h2-x64
1Cryptic Re...ch.dll
windows11-21h2-x64
1Cryptic Re...ns.txt
windows11-21h2-x64
3Cryptic Re...se.txt
windows11-21h2-x64
3Cryptic Re...ts.txt
windows11-21h2-x64
3Analysis
- max time kernel
213s - max time network
279s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system - submitted
20/06/2024, 12:37
Static task
static1
Behavioral task
behavioral1
Sample
Cryptic Release V1.4.4.rar
Resource
win11-20240611-en
Behavioral task
behavioral2
Sample
Cryptic Release V1.4.4/ByfronHook.dll
Resource
win11-20240508-en
Behavioral task
behavioral3
Sample
Cryptic Release V1.4.4/Cryptic Release V1.4.exe
Resource
win11-20240508-en
Behavioral task
behavioral4
Sample
Cryptic Release V1.4.4/assets.dll
Resource
win11-20240419-en
Behavioral task
behavioral5
Sample
Cryptic Release V1.4.4/bin/autoattach.dll
Resource
win11-20240611-en
Behavioral task
behavioral6
Sample
Cryptic Release V1.4.4/instructions.txt
Resource
win11-20240611-en
Behavioral task
behavioral7
Sample
Cryptic Release V1.4.4/license.txt
Resource
win11-20240419-en
Behavioral task
behavioral8
Sample
Cryptic Release V1.4.4/workspace/Saved Scripts.txt
Resource
win11-20240611-en
General
- Target Cryptic Release V1.4.4/workspace/Saved Scripts.txt
- Size 26B
- Sample240620-ptyvbasamr
- SHA256 d2d792f0d9bdb064f665174877454ea83f32aa0a571d223c062fb2107352481b
- MD5 9aab6209b47a96431718754d4bac5bea
- SHA1 671ae2fdf7f41befc2b7fb53a3902cd2d2f35b7f
- SHA512 860afec17d9e2c88df27042ad0b027c9021ce08b737d7cae39585d3398fd6ee551f81fe0f145aed90a30bec15a07d1e0731cce9c5b5db7141a6cedd42a3a1bd1
- MD5 SHA1 SHA512
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000_Classes\Local Settings cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1524 wrote to memory of 3512 1524 cmd.exe 80 PID 1524 wrote to memory of 3512 1524 cmd.exe 80
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Cryptic Release V1.4.4\workspace\Saved Scripts.txt"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Cryptic Release V1.4.4\workspace\Saved Scripts.txt2⤵PID:3512
-