Analysis
- max time kernel
24s - max time network
27s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
07/04/2024, 23:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
External v_4.26.exe
Resource
win10v2004-20240226-en
7 signatures
150 seconds
General
- Target External v_4.26.exe
- Size 279KB
- Sample240407-23qarahd65
- SHA256 4ec76eb7a26ba0b31255b177ff476b0dc2d7cba06dd015eac838cb0e585d1b7f
- MD5 1b3a071cd0ad94839874a3471e89b8aa
- SHA1 ce82ce87e39705d8b05055fbdfacafa675f9b4db
- SHA512 796eda6dece8257d115a98a7ca5c33e39078e8f7275fe17f42d5b73e4d826889a09ae2e2e8f6987630b66d26b2da88f5eabee4a2bb330cf947638590f7169b00
- SSDEEP 6144:K/PT2fQDz89hqi1l+t7aelEgNOXG9imxUg:cLCQU9hqi+lEgNoe9x
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/3880-4-0x0000000000400000-0x000000000044A000-memory.dmp family_zgrat_v1 - RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
resource yara_rule behavioral2/memory/3880-4-0x0000000000400000-0x000000000044A000-memory.dmp family_redline - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4468 set thread context of 3880 4468 External v_4.26.exe 79 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3880 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3880 RegAsm.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79 PID 4468 wrote to memory of 3880 4468 External v_4.26.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\External v_4.26.exe"C:\Users\Admin\AppData\Local\Temp\External v_4.26.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880
-