Analysis
-
max time kernel
130s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:51
Static task
static1
Behavioral task
behavioral1
Sample
f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe
Resource
win10v2004-20240508-en
General
-
Target
f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe
-
Size
1.8MB
-
MD5
1a73b82b84b04c7ca965583469b68c19
-
SHA1
c5ed48c776a2f40b1b0e3212ba0019be62178bae
-
SHA256
f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301
-
SHA512
0f9519133b42e25ad9e7844c12879936554ff8e1b4dd63cf4cad140fbc0dffcbbb56df5830e315b64ad3e34c5f217c8c7584097b8c0b2a1ce26d0285242a1716
-
SSDEEP
24576:W7YfUB7F1931tbbYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbbYa8aesY3Ot4N7G/
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 8 IoCs
Processes:
resource yara_rule behavioral1/memory/5796-1-0x0000000002A60000-0x0000000002BAC000-memory.dmp family_vidar_v7 behavioral1/memory/5424-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-13-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-14-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-31-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/5424-32-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat5CF5.tmppid process 5424 kat5CF5.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:
f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exedescription pid process target process PID 5796 set thread context of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5CF5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5CF5.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat5CF5.tmppid process 5424 kat5CF5.tmp 5424 kat5CF5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exedescription pid process target process PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp PID 5796 wrote to memory of 5424 5796 f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe kat5CF5.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe"C:\Users\Admin\AppData\Local\Temp\f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5796 -
C:\Users\Admin\AppData\Local\Temp\kat5CF5.tmpC:\Users\Admin\AppData\Local\Temp\kat5CF5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5424
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f