Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-05-2024 20:20
Static task
static1
Behavioral task
behavioral1
Sample
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe
Resource
win7-20240221-en
General
-
Target
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe
-
Size
2.0MB
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MD5
255e5434e6e42720548110f720b2be96
-
SHA1
663e245882a10331704d253727ac5ccf2df9f34e
-
SHA256
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918
-
SHA512
9fe2999ec977e0f9ee9b6e76bd5ebde1e628f1dd3fb9a92be4de7cf151894030eede02d00338c019257e9009c1af77b50281f1573dd17646ff429eab350a6e75
-
SSDEEP
49152:OePpQElJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEltIuoITsdZ
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 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2180-2-0x00000000032D0000-0x0000000003419000-memory.dmp family_vidar_v7 behavioral1/memory/2724-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-22-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-23-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-164-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-185-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-226-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-227-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-244-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2724-268-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat2BB2.tmppid process 2724 kat2BB2.tmp -
Loads dropped DLL 2 IoCs
Processes:
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exepid process 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe -
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:
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exedescription pid process target process PID 2180 set thread context of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat2BB2.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat2BB2.tmp -
Processes:
kat2BB2.tmpdescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat2BB2.tmp Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 kat2BB2.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat2BB2.tmp -
Suspicious behavior: EnumeratesProcesses 45 IoCs
Processes:
kat2BB2.tmppid process 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp 2724 kat2BB2.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exedescription pid process target process PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp PID 2180 wrote to memory of 2724 2180 178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe kat2BB2.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe"C:\Users\Admin\AppData\Local\Temp\178c3d0349034b35c75f0e369ac453b67410e52cc282fa3233c34f8faf4e5918.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\kat2BB2.tmpC:\Users\Admin\AppData\Local\Temp\kat2BB2.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\Local\Temp\Tar7E8A.tmpFilesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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\Users\Admin\AppData\Local\Temp\kat2BB2.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2180-20-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB
-
memory/2180-2-0x00000000032D0000-0x0000000003419000-memory.dmpFilesize
1.3MB
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memory/2180-0-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/2724-11-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-13-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2724-23-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2724-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-22-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-164-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-185-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-226-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-227-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-229-0x0000000014990000-0x0000000014BEF000-memory.dmpFilesize
2.4MB
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memory/2724-244-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2724-268-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB