Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-01-2025 07:19
Static task
static1
Behavioral task
behavioral1
Sample
770b223cce43b2043d5953fffb30c512.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
770b223cce43b2043d5953fffb30c512.exe
Resource
win10v2004-20241007-en
General
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Target
770b223cce43b2043d5953fffb30c512.exe
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Size
44KB
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MD5
770b223cce43b2043d5953fffb30c512
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SHA1
4b535eec398fe92c7b59b05fd8be500c49942cee
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SHA256
2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916
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SHA512
bdc7f650a8a09cb4099f174c287681c8199785477272f9e9d1762a7f9be2e9aa02975078958ce59eab592f814de6c78efe579886a0e1ef511cb41558a081ce9c
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SSDEEP
768:8FtchgNSVwafevGHkiV++I1gqDnJuuAuznQVLNvxu0BvkwIt6BcN4fejq:8FtggN7aeGEk+11Tu9AnQVLNppvk9RNQ
Malware Config
Extracted
vidar
11.4
12d6c83ea3cfc666e31df67358e93313
https://t.me/asg7rd
https://steamcommunity.com/profiles/76561199794498376
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6
Signatures
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Detect Vidar Stealer 9 IoCs
resource yara_rule behavioral1/memory/2432-26-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-28-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-24-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-23-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-22-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-32-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-82-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-83-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/2432-87-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 -
Vidar family
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Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
pid Process 2432 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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
description pid Process procid_target PID 2336 set thread context of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 770b223cce43b2043d5953fffb30c512.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cvtres.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2796 timeout.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2432 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2336 770b223cce43b2043d5953fffb30c512.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2336 wrote to memory of 2396 2336 770b223cce43b2043d5953fffb30c512.exe 30 PID 2336 wrote to memory of 2396 2336 770b223cce43b2043d5953fffb30c512.exe 30 PID 2336 wrote to memory of 2396 2336 770b223cce43b2043d5953fffb30c512.exe 30 PID 2336 wrote to memory of 2396 2336 770b223cce43b2043d5953fffb30c512.exe 30 PID 2396 wrote to memory of 2516 2396 csc.exe 32 PID 2396 wrote to memory of 2516 2396 csc.exe 32 PID 2396 wrote to memory of 2516 2396 csc.exe 32 PID 2396 wrote to memory of 2516 2396 csc.exe 32 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2336 wrote to memory of 2432 2336 770b223cce43b2043d5953fffb30c512.exe 33 PID 2432 wrote to memory of 2572 2432 RegAsm.exe 35 PID 2432 wrote to memory of 2572 2432 RegAsm.exe 35 PID 2432 wrote to memory of 2572 2432 RegAsm.exe 35 PID 2432 wrote to memory of 2572 2432 RegAsm.exe 35 PID 2572 wrote to memory of 2796 2572 cmd.exe 37 PID 2572 wrote to memory of 2796 2572 cmd.exe 37 PID 2572 wrote to memory of 2796 2572 cmd.exe 37 PID 2572 wrote to memory of 2796 2572 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\770b223cce43b2043d5953fffb30c512.exe"C:\Users\Admin\AppData\Local\Temp\770b223cce43b2043d5953fffb30c512.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5jwg3a2f\5jwg3a2f.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB174.tmp" "c:\Users\Admin\AppData\Local\Temp\5jwg3a2f\CSCC884E91284A24563B45299CFAF5345D.TMP"3⤵
- System Location Discovery: System Language Discovery
PID:2516
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\HCFCFHJDBKJK" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2796
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5172cc130a151003ea4f81cbf82cb4ad1
SHA130fe847a295cb61abfa2965cf44006272ae130ec
SHA2565cacd1c3d1f7ed7965dd6ced67679e2b55ac6a6d1248feb65eb9dbee3cc1edb8
SHA5123dd5381964258e8a1b7839746c3d15aa891285fa8ec9a1f4cb6ddd1b030392f3af1115923be5a0d1bc811f6ff6befcbf89e0d433d85e779ebef7922188919b74
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
1KB
MD5c135ceb76640e7229443c9747557b265
SHA14172cbcf03f9755ce8ca4e8e2896bacb23e60b5d
SHA2564d1ec62bb90651fd99eaea6523b29ebc3220acd9a00f59a93295afd54c09b2d7
SHA512467784dc1fd2b12847473e45a947fb73553f62feb29b29c20687df00f500e3a57d4cae2d3568c5547ef6bb629e67ab1c71df5b083a5a91bc4105913bac696cfa
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
10KB
MD5b022c6fe4494666c8337a975d175c726
SHA18197d4a993e7547d19d7b067b4d28ebe48329793
SHA256d02016a307b3e8da1a80c29551d44c17358910816e992bc1b53da006d62dd56a
SHA512df670235e87b1ee957086be88731b458c28629e65e052276dd543be273030986a7e5c67fa83587f68ec06fa0f33b0c3f1f041c2d06073709b340f96c3884f2b9
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Filesize
204B
MD50c630c6e72fb99101fb6b0282c3187be
SHA1f6b420579516bb69f2755ed847d6727196fcb0d7
SHA2563511b1834be647471710d820960d91027f49bc6c34774a5929cca8d524aa30ae
SHA5121e2dee4d835e21a6a59bee3d23e844693bf63b37938879b0017c143592f384d5f6c48e32835d971b527ac7e9b5e3d192c2b79dc0a80c215ecd9450ad3343cde4
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Filesize
652B
MD57890d4552b83fe9582cc4f10a70f37af
SHA121cd0c5b606a7488512a1f3c8dadfc6de9845a6a
SHA2568ecdd755e85987b24d7601f537bd2fca770864c6804bafc11072ccdc1621f1ed
SHA512f66160df86c4f7aa61e1758a9abe490367c9b2c6d7b033354d6cee9f76eedfb3f097448dafc56cd4da123d09b4ecdf152848331f7d14de6aa3ca3d2aed218daf
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Filesize
676KB
MD5eda18948a989176f4eebb175ce806255
SHA1ff22a3d5f5fb705137f233c36622c79eab995897
SHA25681a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
SHA512160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85