Analysis
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max time kernel
93s -
max time network
128s -
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 01:17
Static task
static1
Behavioral task
behavioral1
Sample
53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe
Resource
win10v2004-20240508-en
General
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Target
53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe
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Size
2.2MB
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MD5
8a6df58417c4f52c21d3f1b08a03db59
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SHA1
e420d3cc071ad7e4a6faeccb0fba6a72872770f8
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SHA256
53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc
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SHA512
d2c9e26d041045ed584f787bd08d7ffb081759ef74464d3fb609f04535fe7616256c15500c1017375eb45bba53810d3d6bb2ff92e658e7ce0dc4e74dae9c272a
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SSDEEP
49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A
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 13 IoCs
Processes:
resource yara_rule behavioral1/memory/1668-2-0x0000000004080000-0x0000000004190000-memory.dmp family_vidar_v7 behavioral1/memory/1740-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-57-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-58-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-70-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1740-73-0x0000000000400000-0x0000000000648000-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:
kat4C3B.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation kat4C3B.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat4C3B.tmppid process 1740 kat4C3B.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:
53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exedescription pid process target process PID 1668 set thread context of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.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:
kat4C3B.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4C3B.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4C3B.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 5068 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat4C3B.tmppid process 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp 1740 kat4C3B.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exekat4C3B.tmpcmd.exedescription pid process target process PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1668 wrote to memory of 1740 1668 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe kat4C3B.tmp PID 1740 wrote to memory of 5012 1740 kat4C3B.tmp cmd.exe PID 1740 wrote to memory of 5012 1740 kat4C3B.tmp cmd.exe PID 1740 wrote to memory of 5012 1740 kat4C3B.tmp cmd.exe PID 5012 wrote to memory of 5068 5012 cmd.exe timeout.exe PID 5012 wrote to memory of 5068 5012 cmd.exe timeout.exe PID 5012 wrote to memory of 5068 5012 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe"C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmpC:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp" & rd /s /q "C:\ProgramData\HCAEHJJKFCAA" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:5068
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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