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Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/01/2025, 02:12
Static task
static1
Behavioral task
behavioral1
Sample
2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe
Resource
win10v2004-20241007-en
General
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Target
2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.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 7 IoCs
resource yara_rule behavioral1/memory/1492-26-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-28-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-23-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-21-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-20-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-81-0x0000000000400000-0x0000000000700000-memory.dmp family_vidar_v7 behavioral1/memory/1492-82-0x0000000000400000-0x0000000000700000-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 1492 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 2104 set thread context of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 -
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 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1784 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 1492 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2536 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 31 PID 2104 wrote to memory of 2536 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 31 PID 2104 wrote to memory of 2536 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 31 PID 2104 wrote to memory of 2536 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 31 PID 2536 wrote to memory of 2984 2536 csc.exe 33 PID 2536 wrote to memory of 2984 2536 csc.exe 33 PID 2536 wrote to memory of 2984 2536 csc.exe 33 PID 2536 wrote to memory of 2984 2536 csc.exe 33 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 2104 wrote to memory of 1492 2104 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe 34 PID 1492 wrote to memory of 2576 1492 RegAsm.exe 36 PID 1492 wrote to memory of 2576 1492 RegAsm.exe 36 PID 1492 wrote to memory of 2576 1492 RegAsm.exe 36 PID 1492 wrote to memory of 2576 1492 RegAsm.exe 36 PID 2576 wrote to memory of 1784 2576 cmd.exe 38 PID 2576 wrote to memory of 1784 2576 cmd.exe 38 PID 2576 wrote to memory of 1784 2576 cmd.exe 38 PID 2576 wrote to memory of 1784 2576 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe"C:\Users\Admin\AppData\Local\Temp\2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104 -
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\s2dcbayv\s2dcbayv.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
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\RESD652.tmp" "c:\Users\Admin\AppData\Local\Temp\s2dcbayv\CSCC220BDB39B84D3D99D47DBBF6ADB52.TMP"3⤵
- System Location Discovery: System Language Discovery
PID:2984
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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:1492 -
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\CAAKFIIDGIEH" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
1KB
MD53042e29af05fbbd3f5214116be870d3d
SHA1fffc3527fd75c62b9805eb89b606cdd1105bd8bd
SHA2567f7467044fc2bb2defdcdf1055d6d89b41af8ed8cdf3ef12bb46ee696bab58df
SHA512d69908fb5c3fbe1d7968d3e8d26167f4c1f36908587307a7b14da3a3113196a9ac10523ccdb86a30db724716c0f997627adc427a86f9dcbe49700492bec55c88
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
8KB
MD50ba6364e05e0aada0646231de4521f8e
SHA16ae31b4b12a1941b17b6a3d7f043ac711a9c3a90
SHA2563241a4b21f0cbb1dfce5775fabff8b1196b4e76029b9ba4f319cf4cc4a731012
SHA51253f5d74591afa800d1581121b2e83a0144540716ae23b92dfb2ff36001ed81677ea19fe28591528b0fc866c2dfe50f92debe7c1bf8cf2835e52a0404b6f0a15d
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Filesize
652B
MD5d9daccbccff867b63cbc1cf74e220458
SHA10478f52fab72981dc87a316eac463028414fb483
SHA25627880114f8d73d59c5a202cf280d7c1c796a1289dbb24d4639f7d656648e811f
SHA512842008f5cddcb732327bb1753414859469028dac434e8b024ee45263e7f0f9de55038b54047e9f495f61f880e9ca91f5f60b083dd93bab5f0d40a7d83ccf4df3
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Filesize
10KB
MD5b022c6fe4494666c8337a975d175c726
SHA18197d4a993e7547d19d7b067b4d28ebe48329793
SHA256d02016a307b3e8da1a80c29551d44c17358910816e992bc1b53da006d62dd56a
SHA512df670235e87b1ee957086be88731b458c28629e65e052276dd543be273030986a7e5c67fa83587f68ec06fa0f33b0c3f1f041c2d06073709b340f96c3884f2b9
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Filesize
204B
MD5a19c7c8d21493d16fbb370ec161627d2
SHA1b655b4a0ba1d0b01a081778c201162a0b7b14165
SHA256a51e643b7fd63bd7ad55c96f2094a2a24776d637d72d08acbb899a90a37d47a4
SHA512249973ee181e9c6ebc37ade0c5f084a8e14dc65d532299d74c478e45016cb58d0c2e63ce9e9dda3a07cf17a1db71b09ad9931876fbec89de6a0164f825097383
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Filesize
676KB
MD5eda18948a989176f4eebb175ce806255
SHA1ff22a3d5f5fb705137f233c36622c79eab995897
SHA25681a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
SHA512160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85