Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 01:09
Static task
static1
Behavioral task
behavioral1
Sample
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe
Resource
win7-20240508-en
General
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Target
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe
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Size
2.0MB
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MD5
c5a17e2e5b934f3999ba804cc254bea2
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SHA1
e13ddfd16fac9a6619b69b781e1789cd1fd15111
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SHA256
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2
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SHA512
5f189bfb7f148b45137357be904881ce60399f19d542526194c9e5a9464ce8cc6bf0623474e0fca3c27938b9f7932025e76341f8b3a24b3719ffd997146d1125
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SSDEEP
49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ
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 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2256-1-0x0000000003390000-0x00000000034D9000-memory.dmp family_vidar_v7 behavioral1/memory/1936-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-22-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-23-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-157-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-176-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-211-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1936-230-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat1B7C.tmppid process 1936 kat1B7C.tmp -
Loads dropped DLL 2 IoCs
Processes:
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exepid process 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.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:
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exedescription pid process target process PID 2256 set thread context of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat1B7C.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat1B7C.tmp -
Processes:
kat1B7C.tmpdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 kat1B7C.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat1B7C.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat1B7C.tmp -
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
kat1B7C.tmppid process 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp 1936 kat1B7C.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exedescription pid process target process PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp PID 2256 wrote to memory of 1936 2256 ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe kat1B7C.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe"C:\Users\Admin\AppData\Local\Temp\ab83099cc6924e4abeb4260105e4be4151bbe57c780fcb022d29207422c0dcb2.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat1B7C.tmpC:\Users\Admin\AppData\Local\Temp\kat1B7C.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015Filesize
344B
MD5e89143099a03990e3cfc0c92e6a228b4
SHA17baa24fae159d79f58898a6ae79b5e2db1ef7050
SHA25604b6351c11591ac088f696fa55ce0a1707158c579cdee7d8ce98561c7fb5675b
SHA5125cdf7461d2ef2ef7ec0284b3157b163a3f92fad5d1117950e5ef4b20d5cbff8bd634dba893714ba395939704d0edb2c139097ad1cf34167db3058013a6940e89
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C:\Users\Admin\AppData\Local\Temp\Cab1FF1.tmpFilesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\Local\Temp\Tar2004.tmpFilesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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C:\Users\Admin\AppData\Local\Temp\kat1B7C.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1936-12-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-230-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-13-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-211-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-23-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-22-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-196-0x0000000028800000-0x0000000028A5F000-memory.dmpFilesize
2.4MB
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memory/1936-157-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1936-176-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2256-1-0x0000000003390000-0x00000000034D9000-memory.dmpFilesize
1.3MB
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memory/2256-0-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/2256-20-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB