Analysis
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max time kernel
93s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 00:35
Static task
static1
Behavioral task
behavioral1
Sample
c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe
Resource
win10v2004-20240508-en
General
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Target
c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe
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Size
2.2MB
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MD5
a5c89870b75b372d645b1648abf6f844
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SHA1
56b439e256f99c71166e874a7e517f4f94ea155e
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SHA256
c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231
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SHA512
1b55f06987a961b8ea42617bde5ff30a7eb44420d6667197781df5205b603c3fa01d8de7d097512e8e7f046e7cc916cca0116070f2301b89a6baf4230212498e
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SSDEEP
49152:qpjNvr9ySAOmw4pHHO+SASagXkJr4MDkUwm:qpjNp7p4pHH8n5A
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 14 IoCs
Processes:
resource yara_rule behavioral1/memory/3644-1-0x0000000004090000-0x00000000041A0000-memory.dmp family_vidar_v7 behavioral1/memory/3192-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-57-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-58-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-70-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-71-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-74-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat5052.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation kat5052.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat5052.tmppid process 3192 kat5052.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:
c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exedescription pid process target process PID 3644 set thread context of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.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:
kat5052.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat5052.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5052.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2428 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat5052.tmppid process 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp 3192 kat5052.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exekat5052.tmpcmd.exedescription pid process target process PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3644 wrote to memory of 3192 3644 c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe kat5052.tmp PID 3192 wrote to memory of 4088 3192 kat5052.tmp cmd.exe PID 3192 wrote to memory of 4088 3192 kat5052.tmp cmd.exe PID 3192 wrote to memory of 4088 3192 kat5052.tmp cmd.exe PID 4088 wrote to memory of 2428 4088 cmd.exe timeout.exe PID 4088 wrote to memory of 2428 4088 cmd.exe timeout.exe PID 4088 wrote to memory of 2428 4088 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe"C:\Users\Admin\AppData\Local\Temp\c5ed6a25605cff93edf4034838aa260675ba010d954559951768ae0147739231.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Users\Admin\AppData\Local\Temp\kat5052.tmpC:\Users\Admin\AppData\Local\Temp\kat5052.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5052.tmp" & rd /s /q "C:\ProgramData\CGDGIJKFIJDA" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f