Resubmissions
03-02-2025 17:12
250203-vqyb9syqfp 1001-02-2025 09:56
250201-lysx3sxjhz 1001-02-2025 08:29
250201-kdnbesxlak 10Analysis
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max time kernel
264s -
max time network
203s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-02-2025 17:12
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win11-20241007-en
General
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Target
Client-built.exe
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Size
78KB
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MD5
c5fe943c63dffbd58b0f61b70ce570e3
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SHA1
1e0385df0eeb6078a04607866cdd0adf47646521
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SHA256
3fcfc7ed8a9fe616540b4e12926021b8ee515879f555a1e697961483bccb4fa5
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SHA512
b961ccb840443f5eb78fefa5417e22796f6e0b7272788b8fcdc6abd57262a1c2b4357050171a70af2b0e5d30a1849b081020f3498ab07e50aacbf9f60c32114b
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+RPIC:5Zv5PDwbjNrmAE+BIC
Malware Config
Extracted
discordrat
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discord_token
MTMzNDg2ODQ0OTQ4MjI0ODI1NA.GmvrOG.IWZ9BB6ZJ0i5ytcVVC-P4pzKCiMdbTruowhj90
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server_id
1335159502953254943
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Discordrat family
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Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: SearchIndexer.exe File opened (read-only) \??\U: SearchIndexer.exe File opened (read-only) \??\e: SearchIndexer.exe File opened (read-only) \??\K: SearchIndexer.exe File opened (read-only) \??\r: SearchIndexer.exe File opened (read-only) \??\u: SearchIndexer.exe File opened (read-only) \??\j: SearchIndexer.exe File opened (read-only) \??\J: SearchIndexer.exe File opened (read-only) \??\N: SearchIndexer.exe File opened (read-only) \??\p: SearchIndexer.exe File opened (read-only) \??\t: SearchIndexer.exe File opened (read-only) \??\D: SearchIndexer.exe File opened (read-only) \??\g: SearchIndexer.exe File opened (read-only) \??\G: SearchIndexer.exe File opened (read-only) \??\i: SearchIndexer.exe File opened (read-only) \??\l: SearchIndexer.exe File opened (read-only) \??\T: SearchIndexer.exe File opened (read-only) \??\x: SearchIndexer.exe File opened (read-only) \??\a: SearchIndexer.exe File opened (read-only) \??\A: SearchIndexer.exe File opened (read-only) \??\B: SearchIndexer.exe File opened (read-only) \??\F: SearchIndexer.exe File opened (read-only) \??\L: SearchIndexer.exe File opened (read-only) \??\n: SearchIndexer.exe File opened (read-only) \??\o: SearchIndexer.exe File opened (read-only) \??\S: SearchIndexer.exe File opened (read-only) \??\w: SearchIndexer.exe File opened (read-only) \??\h: SearchIndexer.exe File opened (read-only) \??\k: SearchIndexer.exe File opened (read-only) \??\M: SearchIndexer.exe File opened (read-only) \??\V: SearchIndexer.exe File opened (read-only) \??\W: SearchIndexer.exe File opened (read-only) \??\X: SearchIndexer.exe File opened (read-only) \??\y: SearchIndexer.exe File opened (read-only) \??\Y: SearchIndexer.exe File opened (read-only) \??\Z: SearchIndexer.exe File opened (read-only) \??\b: SearchIndexer.exe File opened (read-only) \??\E: SearchIndexer.exe File opened (read-only) \??\I: SearchIndexer.exe File opened (read-only) \??\P: SearchIndexer.exe File opened (read-only) \??\q: SearchIndexer.exe File opened (read-only) \??\R: SearchIndexer.exe File opened (read-only) \??\s: SearchIndexer.exe File opened (read-only) \??\v: SearchIndexer.exe File opened (read-only) \??\H: SearchIndexer.exe File opened (read-only) \??\m: SearchIndexer.exe File opened (read-only) \??\O: SearchIndexer.exe File opened (read-only) \??\z: SearchIndexer.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cr2 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.png SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpe SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp2v\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-915 = "XHTML Document" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5985FC23-2588-4D9A-B38B-7E7AFFAB3155} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000e3bc6bf05e76db01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-123 = "Microsoft Word Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9925 = "MP3 Format Sound" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aiff\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-12385 = "Favorites Bar" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-126 = "Microsoft Word Macro-Enabled Template" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-125 = "Microsoft Word Template" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpv2 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.crw\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9902 = "Movie Clip" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpv2\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.gif\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpeg\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-120 = "Microsoft Word 97 - 2003 Document" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-913 = "MHTML Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp3 SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{AEB16279-B750-48F1-8586-97956060175A} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000008373a6f15e76db01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\wshext.dll,-4803 = "VBScript Encoded Script File" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-121 = "Microsoft Word 97 - 2003 Template" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9937 = "3GPP Audio/Video" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-103 = "Microsoft Excel Macro-Enabled Worksheet" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5383EF74-273B-4278-AB0C-CDAA9FD5369E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000cd73e1ef5e76db01 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.M2TS\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wma SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-140 = "Microsoft OneNote Section" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mp3\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wav SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.3gp2 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-914 = "SVG Document" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{A38B883C-1682-497E-97B0-0A3A9E801682} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000eb2f54ed5e76db01 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.dib\OpenWithList SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{1E589E9D-8A8D-46D9-A2F9-E6D4F8161EE9} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000be262dee5e76db01 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpg SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SBE SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\cabview.dll,-20 = "Cabinet File" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.raw SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9912 = "Windows Media Audio file" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.3gp SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9938 = "3GPP2 Audio/Video" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xht\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.raw\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mpe\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-127 = "OpenDocument Text" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bmp\OpenWithList SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{3DBEE9A1-C471-4B95-BBCA-F39310064458} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000fdcb70ed5e76db01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-116 = "Microsoft Excel Template" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-131 = "Rich Text Format" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-177 = "Microsoft PowerPoint Macro-Enabled Slide Show" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\acppage.dll,-6002 = "Windows Batch File" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg\OpenWithList SearchProtocolHost.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4860 Client-built.exe Token: 33 4312 SearchIndexer.exe Token: SeIncBasePriorityPrivilege 4312 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 4312 SearchIndexer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4624 MiniSearchHost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4312 wrote to memory of 244 4312 SearchIndexer.exe 81 PID 4312 wrote to memory of 244 4312 SearchIndexer.exe 81 PID 4312 wrote to memory of 4896 4312 SearchIndexer.exe 82 PID 4312 wrote to memory of 4896 4312 SearchIndexer.exe 82 PID 4312 wrote to memory of 236 4312 SearchIndexer.exe 83 PID 4312 wrote to memory of 236 4312 SearchIndexer.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4860
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C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\System32\SearchProtocolHost.exe"C:\Windows\System32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"2⤵
- Modifies data under HKEY_USERS
PID:244
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 828 2820 2816 812 {0E5DCEC5-7795-4E38-9621-94DFD9F9A421}2⤵
- Modifies data under HKEY_USERS
PID:4896
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 828 2852 2848 812 {85EE815A-7738-4808-A14A-3AD87E32A3BF}2⤵
- Modifies data under HKEY_USERS
PID:236
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4624
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1188
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD577a8b2c86dd26c214bc11c989789b62d
SHA18b0f2d9d0ded2d7f9bff8aed6aefd6b3fdd1a499
SHA256e288c02cbba393c9703519e660bf8709331f11978c6d994ea2a1346eef462cb8
SHA512c287e3ae580343c43a5354347ca5444f54840fba127a2b1edc897b1dfea286fa37b5808f6e89f535c4022db8b3f29448aa4cc2f41ab0f308eec525a99fac4e5e