Analysis
-
max time kernel
148s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
-
submitted
31-12-2023 07:28
General
-
Target
2d6103930ec97190c4afb291471267b0.exe
-
Size
328KB
-
MD5
2d6103930ec97190c4afb291471267b0
-
SHA1
07ba29465901f13747af81d4e0818148b9299ac3
-
SHA256
35fa115c88bb5ef8b052a9c4b2591ef64d9675c32b1930d3880284e01606a2da
-
SHA512
110a7fe0272dd2d39082fc8b313eb348b605b44c618361bd20a372ebc478e4512ee330ad44650a298e585bcf01645c67a6abfc2918bd5ec4aec86cb600a44ebc
-
SSDEEP
3072:OpmptfrOLUS2DBb+QeA9uXPD2zbY9iCZrZ4XGD4fIE/nZMLwnh:OpmptjOLUS2DBCxKzbYMtWD8IgnZMLw
Malware Config
Signatures
-
ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
-
ISR Stealer payload 3 IoCs
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Suspicious use of SetThreadContext 2 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
-
Suspicious use of SetWindowsHookEx 3 IoCs
-
Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"C:\Users\Admin\AppData\Local\Temp\2d6103930ec97190c4afb291471267b0.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1508-10-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/1508-4-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/1508-2-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/2632-7-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
-
memory/2632-9-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
-
memory/2632-14-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB