Analysis
-
max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 00:28
Static task
static1
Behavioral task
behavioral1
Sample
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe
Resource
win7-20240221-en
General
-
Target
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe
-
Size
2.0MB
-
MD5
e70874202d0cb225c74accd8175ecea9
-
SHA1
9aa8f40e950249731c0f071b8206bf0e1793fca2
-
SHA256
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4
-
SHA512
f20bbed6d2b2ef1c2123540bc5bc917e0a24d439fd81c717e8626bb2a5dd855968cc16f36ddd426f1d389e1bbba7f0e74566740197f96b2c9770943dfbd109c3
-
SSDEEP
49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ
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 14 IoCs
Processes:
resource yara_rule behavioral2/memory/780-1-0x00000000040F0000-0x0000000004239000-memory.dmp family_vidar_v7 behavioral2/memory/4592-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-49-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-50-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-61-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-62-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-63-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4592-64-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat37B9.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation kat37B9.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat37B9.tmppid process 4592 kat37B9.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
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:
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exedescription pid process target process PID 780 set thread context of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat37B9.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat37B9.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1136 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat37B9.tmppid process 4592 kat37B9.tmp 4592 kat37B9.tmp 4592 kat37B9.tmp 4592 kat37B9.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exekat37B9.tmpcmd.exedescription pid process target process PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 780 wrote to memory of 4592 780 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe kat37B9.tmp PID 4592 wrote to memory of 8 4592 kat37B9.tmp cmd.exe PID 4592 wrote to memory of 8 4592 kat37B9.tmp cmd.exe PID 4592 wrote to memory of 8 4592 kat37B9.tmp cmd.exe PID 8 wrote to memory of 1136 8 cmd.exe timeout.exe PID 8 wrote to memory of 1136 8 cmd.exe timeout.exe PID 8 wrote to memory of 1136 8 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe"C:\Users\Admin\AppData\Local\Temp\292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Users\Admin\AppData\Local\Temp\kat37B9.tmpC:\Users\Admin\AppData\Local\Temp\kat37B9.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat37B9.tmp" & rd /s /q "C:\ProgramData\DAEGIDHDHIDG" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1136
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat37B9.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/780-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
-
memory/780-1-0x00000000040F0000-0x0000000004239000-memory.dmpFilesize
1.3MB
-
memory/780-0-0x00000000007C0000-0x00000000007C1000-memory.dmpFilesize
4KB
-
memory/4592-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-18-0x000000001DBA0000-0x000000001DDFF000-memory.dmpFilesize
2.4MB
-
memory/4592-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-49-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-50-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-61-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-62-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-63-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4592-64-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB