Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-05-2024 11:51
Static task
static1
Behavioral task
behavioral1
Sample
22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe
Resource
win10v2004-20240508-en
General
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Target
22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe
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Size
2.0MB
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MD5
8d47566cfa12c6ffc973cef0cfd25a9b
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SHA1
4ebe7e06bc2f15440e2ce3cf5f60a1ff64a02901
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SHA256
22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77
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SHA512
a5f87cd2fc5d60091633687e3a6a30dcd11352ebeacb746305e78f6dc09c16ec6605450a75ebf7b5525d1eb72c6478798e2fffaf84231827b4b61883413d1bea
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SSDEEP
49152:OePpQEFJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEFtIuoITsdZ
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 8 IoCs
Processes:
resource yara_rule behavioral2/memory/3196-2-0x0000000004030000-0x0000000004179000-memory.dmp family_vidar_v7 behavioral2/memory/2888-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2888-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat58FD.tmppid process 2888 kat58FD.tmp -
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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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:
22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exedescription pid process target process PID 3196 set thread context of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat58FD.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat58FD.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat58FD.tmppid process 2888 kat58FD.tmp 2888 kat58FD.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exedescription pid process target process PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp PID 3196 wrote to memory of 2888 3196 22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe kat58FD.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe"C:\Users\Admin\AppData\Local\Temp\22c29e05d9ec4ff934538b80dedf50788f32d4ca3c2fabef0475787a36e3db77.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Users\Admin\AppData\Local\Temp\kat58FD.tmpC:\Users\Admin\AppData\Local\Temp\kat58FD.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat58FD.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2888-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-19-0x0000000019380000-0x00000000195DF000-memory.dmpFilesize
2.4MB
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memory/2888-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2888-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3196-0-0x00000000008C0000-0x00000000008C1000-memory.dmpFilesize
4KB
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memory/3196-2-0x0000000004030000-0x0000000004179000-memory.dmpFilesize
1.3MB
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memory/3196-9-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB