Analysis
-
max time kernel
132s -
max time network
300s -
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 23:20
Static task
static1
Behavioral task
behavioral1
Sample
a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe
Resource
win7-20240508-en
General
-
Target
a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe
-
Size
2.0MB
-
MD5
690c0efa314a7d62bba056967aa34753
-
SHA1
05b48c7aa8c00c8bb2cfc4d65303b2dea4efe1d9
-
SHA256
a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19
-
SHA512
45fc74831f36640cf9668af654032a17a9f1b7e7a82a581e3e211cf34e05109d3da2e4a1224cc350ca309d087cf43e2a8a35524fa8ceae278b4db8b3f2606f60
-
SSDEEP
49152:OePpQE5JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE5tIuoITsdZ
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/3120-2-0x0000000003EC0000-0x0000000004009000-memory.dmp family_vidar_v7 behavioral2/memory/4232-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4232-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
pid Process 4232 kat6DCD.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 3120 set thread context of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.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 kat6DCD.tmp -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp 4232 kat6DCD.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74 PID 3120 wrote to memory of 4232 3120 a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe"C:\Users\Admin\AppData\Local\Temp\a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Users\Admin\AppData\Local\Temp\kat6DCD.tmpC:\Users\Admin\AppData\Local\Temp\kat6DCD.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4232
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f