Analysis
-
max time kernel
133s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 01:14
Static task
static1
Behavioral task
behavioral1
Sample
befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe
Resource
win7-20240508-en
General
-
Target
befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe
-
Size
2.4MB
-
MD5
f8c1d30397b8897ae2be7922f546b413
-
SHA1
1d43306df0d7539c7ec0eb34c9ee28a0f85b6cd2
-
SHA256
befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f
-
SHA512
c45a4b3b0ae9e25e853f477aec2a94be9e10bd83c7958f624137f10e69c6d39d9380680b41707fad145deaa83eeb75de786764ea06ee188ec53e885263701a67
-
SSDEEP
49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 6 IoCs
Processes:
resource yara_rule behavioral2/memory/2716-3-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2716-7-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2716-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2716-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2716-42-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2716-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat6AA1.tmppid process 2716 kat6AA1.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
Processes:
befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exedescription pid process target process PID 1292 set thread context of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6AA1.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6AA1.tmp -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kat6AA1.tmppid process 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp 2716 kat6AA1.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exedescription pid process target process PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp PID 1292 wrote to memory of 2716 1292 befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe kat6AA1.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe"C:\Users\Admin\AppData\Local\Temp\befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Users\Admin\AppData\Local\Temp\kat6AA1.tmpC:\Users\Admin\AppData\Local\Temp\kat6AA1.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2716
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f