Analysis
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max time kernel
92s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 03:00
Static task
static1
Behavioral task
behavioral1
Sample
daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe
Resource
win10v2004-20240226-en
General
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Target
daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe
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Size
2.2MB
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MD5
25333bea2a3300b9cb40d856026c13aa
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SHA1
3b6c14ab36456c30d3719135100ff9a05cff17fa
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SHA256
daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4
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SHA512
5634b1a903c100b7160ef4c4a4960b832c9925ed393c6364ee03b8bda6abbb84a6986b4387c2dcb44d2e19b75f16d5f97f35de9766993b376354874e4e53f391
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 16 IoCs
Processes:
resource yara_rule behavioral2/memory/3288-1-0x0000000002AE0000-0x0000000002BF0000-memory.dmp family_vidar_v7 behavioral2/memory/2748-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-35-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-36-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-44-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-45-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-61-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-62-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-77-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-78-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2748-79-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat47D6.tmppid process 2748 kat47D6.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 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:
daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exedescription pid process target process PID 3288 set thread context of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat47D6.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat47D6.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat47D6.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3140 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat47D6.tmppid process 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp 2748 kat47D6.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exekat47D6.tmpcmd.exedescription pid process target process PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 3288 wrote to memory of 2748 3288 daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe kat47D6.tmp PID 2748 wrote to memory of 1652 2748 kat47D6.tmp cmd.exe PID 2748 wrote to memory of 1652 2748 kat47D6.tmp cmd.exe PID 2748 wrote to memory of 1652 2748 kat47D6.tmp cmd.exe PID 1652 wrote to memory of 3140 1652 cmd.exe timeout.exe PID 1652 wrote to memory of 3140 1652 cmd.exe timeout.exe PID 1652 wrote to memory of 3140 1652 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe"C:\Users\Admin\AppData\Local\Temp\daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat47D6.tmpC:\Users\Admin\AppData\Local\Temp\kat47D6.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\kat47D6.tmp" & rd /s /q "C:\ProgramData\EGHCAKKEGCAA" & 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\kat47D6.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2748-35-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-79-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-27-0x000000002D160000-0x000000002D3BF000-memory.dmpFilesize
2.4MB
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memory/2748-78-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-77-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-25-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-44-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-36-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-45-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-61-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-62-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2748-69-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3288-1-0x0000000002AE0000-0x0000000002BF0000-memory.dmpFilesize
1.1MB
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memory/3288-10-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB
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memory/3288-0-0x00000000024A0000-0x00000000024A1000-memory.dmpFilesize
4KB