Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-05-2024 21:02
Static task
static1
Behavioral task
behavioral1
Sample
f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe
Resource
win10v2004-20240508-en
General
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Target
f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe
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Size
2.0MB
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MD5
6248c9d7d43aa0e42b4b43f9c65c30b8
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SHA1
919617619dda149657d7fe7d7657a6059f6d5590
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SHA256
f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393
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SHA512
72d7cf5c14fb6d91e5799ba6bf0f3b4557ed8c3ae32eb15addd0dff7b2cd174e3c39a02769e084fdc4c5086ef0d007b3476a29cb3f0718399bdd6cbe48b1a4f3
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SSDEEP
49152:s4K3x1vU2JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex182tIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 14 IoCs
Processes:
resource yara_rule behavioral2/memory/3360-2-0x00000000041E0000-0x0000000004329000-memory.dmp family_vidar_v7 behavioral2/memory/332-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-54-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-55-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-67-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-68-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/332-69-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4565.tmppid process 332 kat4565.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exedescription pid process target process PID 3360 set thread context of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4565.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4565.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1396 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat4565.tmppid process 332 kat4565.tmp 332 kat4565.tmp 332 kat4565.tmp 332 kat4565.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exekat4565.tmpcmd.exedescription pid process target process PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 3360 wrote to memory of 332 3360 f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe kat4565.tmp PID 332 wrote to memory of 4796 332 kat4565.tmp cmd.exe PID 332 wrote to memory of 4796 332 kat4565.tmp cmd.exe PID 332 wrote to memory of 4796 332 kat4565.tmp cmd.exe PID 4796 wrote to memory of 1396 4796 cmd.exe timeout.exe PID 4796 wrote to memory of 1396 4796 cmd.exe timeout.exe PID 4796 wrote to memory of 1396 4796 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe"C:\Users\Admin\AppData\Local\Temp\f7f0e871a7578d1919f125ea894355b2bb69a09ea91d8009df79b9d4a5fa6393.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat4565.tmpC:\Users\Admin\AppData\Local\Temp\kat4565.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4565.tmp" & rd /s /q "C:\ProgramData\DAECGCGHCGHC" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat4565.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/332-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-22-0x0000000026020000-0x000000002627F000-memory.dmpFilesize
2.4MB
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memory/332-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-69-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-68-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-67-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-54-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-55-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/332-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3360-0-0x00000000024A0000-0x00000000024A1000-memory.dmpFilesize
4KB
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memory/3360-10-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/3360-2-0x00000000041E0000-0x0000000004329000-memory.dmpFilesize
1.3MB