Analysis
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max time kernel
87s -
max time network
116s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
25-09-2024 04:53
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10-20240404-en
windows10-1703-x64
10 signatures
150 seconds
General
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Target
Client-built.exe
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Size
78KB
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MD5
c91180675d8818997b47da2ccf7abe11
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SHA1
68be71d55c1e74ec342400555c2aa46e4adaf11b
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SHA256
c328dc708e13a083becaf40b328c3206a7eae31c59ae3b11f163365f44847084
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SHA512
bd345a8dac0898cc548ccde1ee8ad83fd63de69abb21f04718eec334142d81414a81ce2b7cdd28fa894d9c9183931fff5693d7dd5bcf3754b08dccac5986cdb2
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+OPIC:5Zv5PDwbjNrmAE+qIC
Score
10/10
Malware Config
Extracted
Family
discordrat
Attributes
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discord_token
MTI0OTEyMzM0OTI4MDQ1NjcxNw.GnYIbe.bvGZ_OyLyK5l9y4XcX45-oxZN0FsX_chY7cS44
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server_id
1278933265062957099
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4584 created 584 4584 Client-built.exe 5 -
Downloads MZ/PE file
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 19 IoCs
flow ioc 4 discord.com 11 discord.com 14 discord.com 21 raw.githubusercontent.com 22 discord.com 8 discord.com 18 discord.com 19 discord.com 31 discord.com 32 discord.com 3 discord.com 12 discord.com 15 discord.com 17 discord.com 20 raw.githubusercontent.com 25 discord.com 16 discord.com 26 discord.com 30 raw.githubusercontent.com -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml OfficeClickToRun.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4584 set thread context of 3312 4584 Client-built.exe 72 -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\OnDemandInterfaceCache OfficeClickToRun.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1727240072" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0 OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeClickToRun.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 50,1329 10,1329 15,1329 100,1329 6" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\windows\CurrentVersion\Internet Settings\Connections svchost.exe Key deleted \REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\OFFICE\16.0\COMMON\CLIENTTELEMETRY\RULESMETADATA\OFFICECLICKTORUN.EXE\ULSMONITOR OfficeClickToRun.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry OfficeClickToRun.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "5804129,7202269,17110992,41484365,39965824,7153487,17110988,508368333,17962391,17962392,3462423,3702920,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617" OfficeClickToRun.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Wed, 25 Sep 2024 04:54:33 GMT" OfficeClickToRun.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\RulesEndpoint = "https://nexusrules.officeapps.live.com/nexus/rules?Application=officeclicktorun.exe&Version=16.0.12527.20470&ClientId={5C975315-6E6E-4678-90C6-041CE3BF21B9}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeClickToRun.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe 4584 Client-built.exe 3312 dllhost.exe 3312 dllhost.exe 3312 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4584 Client-built.exe Token: SeDebugPrivilege 4584 Client-built.exe Token: SeDebugPrivilege 3312 dllhost.exe Token: SeShutdownPrivilege 4584 Client-built.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 4584 wrote to memory of 3312 4584 Client-built.exe 72 PID 3312 wrote to memory of 584 3312 dllhost.exe 5 PID 3312 wrote to memory of 636 3312 dllhost.exe 7 PID 3312 wrote to memory of 720 3312 dllhost.exe 8 PID 3312 wrote to memory of 904 3312 dllhost.exe 13 PID 3312 wrote to memory of 1004 3312 dllhost.exe 14 PID 3312 wrote to memory of 360 3312 dllhost.exe 15 PID 3312 wrote to memory of 604 3312 dllhost.exe 16 PID 3312 wrote to memory of 392 3312 dllhost.exe 17 PID 3312 wrote to memory of 1080 3312 dllhost.exe 19 PID 3312 wrote to memory of 1120 3312 dllhost.exe 20 PID 3312 wrote to memory of 1196 3312 dllhost.exe 21 PID 3312 wrote to memory of 1212 3312 dllhost.exe 22 PID 3312 wrote to memory of 1232 3312 dllhost.exe 23 PID 3312 wrote to memory of 1260 3312 dllhost.exe 24 PID 3312 wrote to memory of 1384 3312 dllhost.exe 25 PID 3312 wrote to memory of 1444 3312 dllhost.exe 26 PID 3312 wrote to memory of 1464 3312 dllhost.exe 27 PID 3312 wrote to memory of 1508 3312 dllhost.exe 28 PID 3312 wrote to memory of 1532 3312 dllhost.exe 29 PID 3312 wrote to memory of 1572 3312 dllhost.exe 30 PID 3312 wrote to memory of 1648 3312 dllhost.exe 31 PID 3312 wrote to memory of 1728 3312 dllhost.exe 32 PID 3312 wrote to memory of 1756 3312 dllhost.exe 33 PID 3312 wrote to memory of 1772 3312 dllhost.exe 34 PID 3312 wrote to memory of 1860 3312 dllhost.exe 35 PID 3312 wrote to memory of 1872 3312 dllhost.exe 36 PID 3312 wrote to memory of 2020 3312 dllhost.exe 37 PID 3312 wrote to memory of 1676 3312 dllhost.exe 38 PID 3312 wrote to memory of 2316 3312 dllhost.exe 39 PID 3312 wrote to memory of 2340 3312 dllhost.exe 40 PID 3312 wrote to memory of 2348 3312 dllhost.exe 41 PID 3312 wrote to memory of 2388 3312 dllhost.exe 42 PID 3312 wrote to memory of 2404 3312 dllhost.exe 43 PID 3312 wrote to memory of 2444 3312 dllhost.exe 44 PID 3312 wrote to memory of 2452 3312 dllhost.exe 45 PID 3312 wrote to memory of 2464 3312 dllhost.exe 46 PID 3312 wrote to memory of 2488 3312 dllhost.exe 47 PID 3312 wrote to memory of 2892 3312 dllhost.exe 48 PID 3312 wrote to memory of 2916 3312 dllhost.exe 49 PID 3312 wrote to memory of 2936 3312 dllhost.exe 50 PID 3312 wrote to memory of 3036 3312 dllhost.exe 51 PID 3312 wrote to memory of 2676 3312 dllhost.exe 52 PID 3312 wrote to memory of 3144 3312 dllhost.exe 53 PID 3312 wrote to memory of 3316 3312 dllhost.exe 54 PID 3312 wrote to memory of 3824 3312 dllhost.exe 57 PID 3312 wrote to memory of 3648 3312 dllhost.exe 59 PID 3312 wrote to memory of 4868 3312 dllhost.exe 60 PID 3312 wrote to memory of 4692 3312 dllhost.exe 62 PID 3312 wrote to memory of 508 3312 dllhost.exe 63 PID 3312 wrote to memory of 4304 3312 dllhost.exe 64 PID 3312 wrote to memory of 4468 3312 dllhost.exe 65 PID 3312 wrote to memory of 3788 3312 dllhost.exe 66 PID 3312 wrote to memory of 2900 3312 dllhost.exe 67
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:584
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1004
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{92c2249a-dcab-4c55-8eed-e908f9aad71c}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:636
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k dcomlaunch -s PlugPlay1⤵PID:720
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k dcomlaunch -s LSM1⤵PID:904
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s lmhosts1⤵PID:360
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s gpsvc1⤵PID:604
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NcbService1⤵PID:392
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s EventLog1⤵PID:1080
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Schedule1⤵PID:1120
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c:\windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3036
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s nsi1⤵PID:1196
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s ProfSvc1⤵PID:1212
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Themes1⤵PID:1232
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s EventSystem1⤵PID:1260
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s Dhcp1⤵PID:1384
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s SENS1⤵PID:1444
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s UserManager1⤵PID:1464
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c:\windows\system32\sihost.exesihost.exe2⤵PID:2916
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s AudioEndpointBuilder1⤵PID:1508
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s NlaSvc1⤵PID:1532
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s Dnscache1⤵PID:1572
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1648
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s netprofm1⤵PID:1728
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1756
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1772
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k appmodel -s StateRepository1⤵PID:1860
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection1⤵PID:1872
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2020
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s LanmanWorkstation1⤵PID:1676
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc1⤵PID:2316
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservicenetworkrestricted -s PolicyAgent1⤵PID:2340
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s IKEEXT1⤵PID:2348
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s LanmanServer1⤵PID:2388
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s CryptSvc1⤵PID:2404
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2444
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s TrkWks1⤵PID:2452
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Winmgmt1⤵PID:2464
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s WpnService1⤵PID:2488
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Browser1⤵PID:2892
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc1⤵PID:2936
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s TokenBroker1⤵PID:2676
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3144
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3316
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C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3824
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3648
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s CDPSvc1⤵PID:4868
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV1⤵PID:4692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Modifies data under HKEY_USERS
PID:508
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:4304
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s wlidsvc1⤵PID:4468
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3788
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C:\Windows\system32\ApplicationFrameHost.exeC:\Windows\system32\ApplicationFrameHost.exe -Embedding1⤵PID:2900
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C:\Windows\System32\InstallAgent.exeC:\Windows\System32\InstallAgent.exe -Embedding1⤵PID:1168
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}1⤵PID:4824