Analysis
-
max time kernel
89s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 23:19
Static task
static1
Behavioral task
behavioral1
Sample
349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe
Resource
win10v2004-20240508-en
General
-
Target
349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe
-
Size
2.2MB
-
MD5
97a9176b3a22b5fcc585fd4499dba2f3
-
SHA1
6628399d8772d10f5c062e64a3fcb8dd554a010a
-
SHA256
349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c
-
SHA512
b264e040eeb49a6bc8030d3d64cd210a58a8f4a74b6dad027989d307db361a548865fb4496cca86fc6a3cd94ae60835387cbc3957e5026c80f86dce5dfd229c3
-
SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXfqU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPp21tuuIeNHYGY0LzjsJxK
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 16 IoCs
Processes:
resource yara_rule behavioral2/memory/1140-1-0x0000000004080000-0x0000000004193000-memory.dmp family_vidar_v7 behavioral2/memory/5084-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-35-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-36-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-44-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-45-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-61-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-62-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-74-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-75-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5084-76-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat73E8.tmppid process 5084 kat73E8.tmp -
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.
-
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
Processes:
349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exedescription pid process target process PID 1140 set thread context of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.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:
kat73E8.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat73E8.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat73E8.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3480 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat73E8.tmppid process 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp 5084 kat73E8.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exekat73E8.tmpcmd.exedescription pid process target process PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 1140 wrote to memory of 5084 1140 349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe kat73E8.tmp PID 5084 wrote to memory of 2224 5084 kat73E8.tmp cmd.exe PID 5084 wrote to memory of 2224 5084 kat73E8.tmp cmd.exe PID 5084 wrote to memory of 2224 5084 kat73E8.tmp cmd.exe PID 2224 wrote to memory of 3480 2224 cmd.exe timeout.exe PID 2224 wrote to memory of 3480 2224 cmd.exe timeout.exe PID 2224 wrote to memory of 3480 2224 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe"C:\Users\Admin\AppData\Local\Temp\349d8bd0d84ffbefc03f066dd4e2494949f3e6f24508ff127f86d5a52edd4b6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat73E8.tmpC:\Users\Admin\AppData\Local\Temp\kat73E8.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\kat73E8.tmp" & rd /s /q "C:\ProgramData\DGDBKFBAKFBF" & 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\kat73E8.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/1140-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
-
memory/1140-1-0x0000000004080000-0x0000000004193000-memory.dmpFilesize
1.1MB
-
memory/1140-0-0x00000000024B0000-0x00000000024B1000-memory.dmpFilesize
4KB
-
memory/5084-35-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-36-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-25-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-27-0x0000000022730000-0x000000002298F000-memory.dmpFilesize
2.4MB
-
memory/5084-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-44-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-45-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-61-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-62-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-69-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-74-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-75-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5084-76-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB