Analysis
-
max time kernel
194s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30/05/2024, 23:04
Static task
static1
Behavioral task
behavioral1
Sample
6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe
Resource
win7-20231129-en
General
-
Target
6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe
-
Size
1.9MB
-
MD5
d99dd53856f53be0f4bba64928e68f7d
-
SHA1
cc40af39068479199202606b8eb3c1b234192a69
-
SHA256
6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e
-
SHA512
10c10a0c28fe112ae7c000079de7981f8d3f9ecb9ac4668ca692d73dda4e8ebfde711ed5a3ea69f1a55aa1c49028faa1dec50c240c409c971da4a5d7270379e5
-
SSDEEP
49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTndtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 8 IoCs
resource yara_rule behavioral2/memory/1900-1-0x0000000003E60000-0x0000000003FA9000-memory.dmp family_vidar_v7 behavioral2/memory/4852-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4852-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
pid Process 4852 kat6CD3.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 1900 set thread context of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6CD3.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4852 kat6CD3.tmp 4852 kat6CD3.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74 PID 1900 wrote to memory of 4852 1900 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe"C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmpC:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4852
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f