Analysis
-
max time kernel
39s -
max time network
51s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe
Resource
win10v2004-20240508-en
General
-
Target
5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe
-
Size
2.2MB
-
MD5
0ca6f2a9ffae430eac516af66688b5d0
-
SHA1
cad57a443fe6ff759cc8b16ed89e8bead8041724
-
SHA256
5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7
-
SHA512
7551d70f6ef8b43949abee419496a3aa9b86ca86a71060e5ffcac0d3f08fdd13b496562fcaf767ca85f26c71283945f8706e988ca939c69cf8b50ba777ca4085
-
SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX7KU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPl21tuuIeNHYGY0LzjsJxK
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
-
Detect Vidar Stealer 9 IoCs
Processes:
resource yara_rule behavioral2/memory/2580-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/956-1-0x00000000041B0000-0x00000000042C3000-memory.dmp family_vidar_v7 behavioral2/memory/2580-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2580-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat7E67.tmppid process 2580 kat7E67.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
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
Processes:
5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exedescription pid process target process PID 956 set thread context of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat7E67.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7E67.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat7E67.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1848 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat7E67.tmppid process 2580 kat7E67.tmp 2580 kat7E67.tmp 2580 kat7E67.tmp 2580 kat7E67.tmp 2580 kat7E67.tmp 2580 kat7E67.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exekat7E67.tmpcmd.exedescription pid process target process PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 956 wrote to memory of 2580 956 5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe kat7E67.tmp PID 2580 wrote to memory of 1688 2580 kat7E67.tmp cmd.exe PID 2580 wrote to memory of 1688 2580 kat7E67.tmp cmd.exe PID 2580 wrote to memory of 1688 2580 kat7E67.tmp cmd.exe PID 1688 wrote to memory of 1848 1688 cmd.exe timeout.exe PID 1688 wrote to memory of 1848 1688 cmd.exe timeout.exe PID 1688 wrote to memory of 1848 1688 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe"C:\Users\Admin\AppData\Local\Temp\5c2973817ed55cc8b6fa9336fa060f2cfa87e9b38e640ccb0da60ca59ddc05b7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat7E67.tmpC:\Users\Admin\AppData\Local\Temp\kat7E67.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat7E67.tmp" & rd /s /q "C:\ProgramData\BFBGCFCFHCFH" & exit3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat7E67.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/956-0-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
-
memory/956-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
-
memory/956-1-0x00000000041B0000-0x00000000042C3000-memory.dmpFilesize
1.1MB
-
memory/2580-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/2580-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB