Analysis
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max time kernel
139s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 19:18
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20240611-en
General
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Target
Client-built.exe
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Size
78KB
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MD5
eb574fb1d907ffd85ce1854f5585d67a
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SHA1
6b72bc26e0f282010c1c1e5589e130d250d28bb5
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SHA256
1a3072f72b2747d1bbe6f8aec7945d7753c061cd02ab1a1632963d13ba9e61bd
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SHA512
0df1476ff05cc2c34e9c84ac4ba7760c233755f8a9f031ac33241aab71cfc1fbba20344b1403620c7f7695360d30ab124cf3557bff4730bd10f8f8b71a580c6f
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+EPIC:5Zv5PDwbjNrmAE+YIC
Malware Config
Extracted
discordrat
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discord_token
MTIxMTA5OTM2NzcyMTc5NTYzNA.GqkwcX.UOjwiFdGIpv_jY2sOCDo02zExIyfhOxTIiOv6c
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server_id
1251241660453752944
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
flow ioc 13 discord.com 14 discord.com 25 discord.com 30 discord.com 31 discord.com 119 discord.com 120 discord.com -
Checks processor information in registry 2 TTPs 6 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\Update Signature firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 228 Client-built.exe Token: SeDebugPrivilege 2164 firefox.exe Token: SeDebugPrivilege 2164 firefox.exe Token: SeDebugPrivilege 2164 firefox.exe Token: SeDebugPrivilege 2164 firefox.exe Token: SeDebugPrivilege 2164 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2164 firefox.exe 2164 firefox.exe 2164 firefox.exe 2164 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2164 firefox.exe 2164 firefox.exe 2164 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2164 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2160 wrote to memory of 2164 2160 firefox.exe 88 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 2676 2164 firefox.exe 89 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 PID 2164 wrote to memory of 4704 2164 firefox.exe 90 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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:228
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.0.862014242\427620563" -parentBuildID 20230214051806 -prefsHandle 1756 -prefMapHandle 1748 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {16543862-2e4a-4a4c-a657-5f1bceeb30f2} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 1836 2a13d00a658 gpu3⤵PID:2676
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.1.908806040\1661294100" -parentBuildID 20230214051806 -prefsHandle 2384 -prefMapHandle 2380 -prefsLen 22112 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {28e5d605-c5ca-4375-94bf-3c07b65fefc6} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 2404 2a13028a258 socket3⤵PID:4704
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.2.587687130\202349496" -childID 1 -isForBrowser -prefsHandle 2720 -prefMapHandle 2832 -prefsLen 22150 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d6bc858f-4ba9-44bd-a04d-18c2cf0d7838} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 2808 2a13faf0c58 tab3⤵PID:2004
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.3.481977903\1963576383" -childID 2 -isForBrowser -prefsHandle 3672 -prefMapHandle 3668 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {afcf7f5f-5b76-4b52-a850-27ea8961c2d6} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 3680 2a142047858 tab3⤵PID:1800
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.4.240029533\1209865868" -childID 3 -isForBrowser -prefsHandle 5132 -prefMapHandle 5128 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {33f67b57-4013-4e76-9787-9b8f242df90f} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 5144 2a143c93458 tab3⤵PID:2688
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.5.1627953510\1775958883" -childID 4 -isForBrowser -prefsHandle 5288 -prefMapHandle 5292 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2503d298-974c-4b1b-9b21-3376ee3ebf2a} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 5276 2a14456ee58 tab3⤵PID:3308
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2164.6.1388573839\2005404097" -childID 5 -isForBrowser -prefsHandle 5472 -prefMapHandle 5476 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1f06acb7-44dc-4698-ab27-77a79eace4bc} 2164 "\\.\pipe\gecko-crash-server-pipe.2164" 5464 2a14456be58 tab3⤵PID:3680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\rfj66zji.default-release\activity-stream.discovery_stream.json.tmp
Filesize23KB
MD5f96dd7a7f92ad941f88f11a90bd8e440
SHA1136c09dd1a02ae602c956a228f2ca15597a3f383
SHA256d3a30b926d206130b4c6debf42260b7a975def0970bd0f27db6471d18c574b2c
SHA512a98dbe2c286fa934a8ed4bf6df520474fe55e7892097526ae6f79de72a79ad39ab2820974517bb3ebea32710b4c901b2bbe88540dfebc524e53cf88794a63963
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\rfj66zji.default-release\activity-stream.discovery_stream.json.tmp
Filesize24KB
MD5f956358e529114b677c30805069c1fd5
SHA14c023fdf27a6c2056de0404c50411bbc6f1b07b7
SHA2563ec14a8b436b2f4489e53b739b4b12bdb34e96033c246a03d42b7532330d5a2e
SHA5129926edd984fa87edc2c1c0899ccb4da59334315f5a287cf2b93a5be739f99b78cf663079a0c4eb2372efa93506577c0686ec48782b4a4e015482af7736146660
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\rfj66zji.default-release\cache2\entries\383A97A57B113BD106DE6984E6DBA5F537327263
Filesize13KB
MD5ef258b7d95f5a5bf9b75c85acd5b68bb
SHA1d1cdcd12948c5ea112c4a882c41664295e866582
SHA256610141f50d5038cbcff527549e862eb3a14403b2602ba5d9cb7b0d1d19bd7530
SHA5124cfddc7bfe695699283aa676a7def6a1c143b8567936bff9806d66fa798d3343dede65f70247d03543ea7e10dd98a0b2a2788401de1bb1da1775bb7d8948612d
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Filesize
442KB
MD585430baed3398695717b0263807cf97c
SHA1fffbee923cea216f50fce5d54219a188a5100f41
SHA256a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
SHA51206511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1
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Filesize
8.0MB
MD5a01c5ecd6108350ae23d2cddf0e77c17
SHA1c6ac28a2cd979f1f9a75d56271821d5ff665e2b6
SHA256345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
SHA512b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
Filesize997KB
MD5fe3355639648c417e8307c6d051e3e37
SHA1f54602d4b4778da21bc97c7238fc66aa68c8ee34
SHA2561ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
SHA5128f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
Filesize116B
MD53d33cdc0b3d281e67dd52e14435dd04f
SHA14db88689282fd4f9e9e6ab95fcbb23df6e6485db
SHA256f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
SHA512a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
Filesize479B
MD549ddb419d96dceb9069018535fb2e2fc
SHA162aa6fea895a8b68d468a015f6e6ab400d7a7ca6
SHA2562af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
SHA51248386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
Filesize372B
MD58be33af717bb1b67fbd61c3f4b807e9e
SHA17cf17656d174d951957ff36810e874a134dd49e0
SHA256e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
SHA5126125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
Filesize11.8MB
MD533bf7b0439480effb9fb212efce87b13
SHA1cee50f2745edc6dc291887b6075ca64d716f495a
SHA2568ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
SHA512d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
Filesize1KB
MD5688bed3676d2104e7f17ae1cd2c59404
SHA1952b2cdf783ac72fcb98338723e9afd38d47ad8e
SHA25633899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
SHA5127a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize1KB
MD5937326fead5fd401f6cca9118bd9ade9
SHA14526a57d4ae14ed29b37632c72aef3c408189d91
SHA25668a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
SHA512b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2
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Filesize
10KB
MD59ca7147878e084e6bc48849c30054003
SHA1081c0e121c0189b22f839e3429dd55c2abdff0c6
SHA25670ba35f2520aa30ac1f672404b9435f25baa4ba966ccd9caba25e2bbd5336453
SHA5129b847decfa5aa078f227193a64fa660f242b71405009f48a902f0ab0bd7bef085926492b80c6a45ba1d35a047c65b4dc86d5eac7bab83898e66b7e6e07ed4f30
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Filesize
8KB
MD57ea10ef55a3ca7b0bb78bed488b1d850
SHA14463849f382f4de088c91e593a57bec4e6a10c29
SHA256f3eb4761c73e449f60c7b13390fd41dfb361bb738e34ac23ea4fd884916ef89a
SHA5127a1cf921e14f229d1d25b4461ffce4973a3a9b731929452c78bf3503650706042f11b9a17fd4bfc7b7f070bc4b4573cc1962b07b3dce2aa75e71057bd2dbee48
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Filesize
6KB
MD5a77beed753deac8548198d25df7acc96
SHA1fc001cb1214146a7ffb0f7fa4897923e5bf756a6
SHA256f8abf5e10b4271741fcde0bf6c524342db8e18f7426dac842dbba3799d80e926
SHA5127e95bed82331426a67bbea317a5564280ab7e621738ca7a2b3e31cb785d0168fca25d9c0700fad2c6ff83c179fd2feea54d5413a884866fb21408c5649d6817d
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rfj66zji.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD59eb924a522d5fc0aefbd871e15d84f31
SHA16ceca0597285d58ae18150e0b9cf3f737e7e15ef
SHA256a8b0cad5a6974d79dfca10e4d3994b537d6bc6243d9fd45035312a22c6e457ca
SHA512875dfd1420cedc8415b1146434ad7404751e14b9ded0a896dbb3f04b6eb3dbbebee983d950708f3ff0ea296569865bb7d5af89850034c479f81326d84ea04794