Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 13:13
Static task
static1
Behavioral task
behavioral1
Sample
29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe
Resource
win10v2004-20240508-en
General
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Target
29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe
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Size
2.2MB
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MD5
c12bf6e7248b11da2fa86e45b0dcb83f
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SHA1
01e26b66e3035cec44ccd76c0c99c29bb9c0ba58
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SHA256
29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca
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SHA512
e2df308fc7c78bd62e3796c2017c8b56abfca4a09f298eb5b0021b489ca808b3cfbe4b7bdc77b4e1304bb03446e9ce8e1b9568b24e3e6fef12aca4836412b4a7
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXH1U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPK21tuuIeNHYGY0LzjsJxK
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 9 IoCs
Processes:
resource yara_rule behavioral1/memory/4540-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4680-2-0x00000000041A0000-0x00000000042B3000-memory.dmp family_vidar_v7 behavioral1/memory/4540-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4540-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat4FD5.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation kat4FD5.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat4FD5.tmppid process 4540 kat4FD5.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exedescription pid process target process PID 4680 set thread context of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.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:
kat4FD5.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4FD5.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4FD5.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4572 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat4FD5.tmppid process 4540 kat4FD5.tmp 4540 kat4FD5.tmp 4540 kat4FD5.tmp 4540 kat4FD5.tmp 4540 kat4FD5.tmp 4540 kat4FD5.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exekat4FD5.tmpcmd.exedescription pid process target process PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4680 wrote to memory of 4540 4680 29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe kat4FD5.tmp PID 4540 wrote to memory of 4564 4540 kat4FD5.tmp cmd.exe PID 4540 wrote to memory of 4564 4540 kat4FD5.tmp cmd.exe PID 4540 wrote to memory of 4564 4540 kat4FD5.tmp cmd.exe PID 4564 wrote to memory of 4572 4564 cmd.exe timeout.exe PID 4564 wrote to memory of 4572 4564 cmd.exe timeout.exe PID 4564 wrote to memory of 4572 4564 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe"C:\Users\Admin\AppData\Local\Temp\29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat4FD5.tmpC:\Users\Admin\AppData\Local\Temp\kat4FD5.tmp2⤵
- Checks computer location settings
- 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\kat4FD5.tmp" & rd /s /q "C:\ProgramData\JKJDHDBKEBGH" & 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\kat4FD5.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/4540-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4540-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4680-0-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
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memory/4680-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/4680-2-0x00000000041A0000-0x00000000042B3000-memory.dmpFilesize
1.1MB