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Analysis
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max time kernel
93s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06/07/2024, 14:58
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1256230068754055219/1259157809417682975/ONYXLOADER.exe?ex=668aa997&is=66895817&hm=788d998ab0dee7e01ab092f414608158d81fe0bb7e2d1338485e3d9318d174fd&
Resource
win10v2004-20240704-en
Behavioral task
behavioral2
Sample
https://cdn.discordapp.com/attachments/1256230068754055219/1259157809417682975/ONYXLOADER.exe?ex=668aa997&is=66895817&hm=788d998ab0dee7e01ab092f414608158d81fe0bb7e2d1338485e3d9318d174fd&
Resource
win11-20240704-en
General
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Target
https://cdn.discordapp.com/attachments/1256230068754055219/1259157809417682975/ONYXLOADER.exe?ex=668aa997&is=66895817&hm=788d998ab0dee7e01ab092f414608158d81fe0bb7e2d1338485e3d9318d174fd&
Malware Config
Signatures
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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\~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 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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 372 firefox.exe Token: SeDebugPrivilege 372 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 372 firefox.exe 372 firefox.exe 372 firefox.exe 372 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 372 firefox.exe 372 firefox.exe 372 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 372 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 4144 wrote to memory of 372 4144 firefox.exe 83 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 3980 372 firefox.exe 84 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 PID 372 wrote to memory of 912 372 firefox.exe 85 -
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:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://cdn.discordapp.com/attachments/1256230068754055219/1259157809417682975/ONYXLOADER.exe?ex=668aa997&is=66895817&hm=788d998ab0dee7e01ab092f414608158d81fe0bb7e2d1338485e3d9318d174fd&"1⤵
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://cdn.discordapp.com/attachments/1256230068754055219/1259157809417682975/ONYXLOADER.exe?ex=668aa997&is=66895817&hm=788d998ab0dee7e01ab092f414608158d81fe0bb7e2d1338485e3d9318d174fd&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:372 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.0.1610761351\549705089" -parentBuildID 20230214051806 -prefsHandle 1784 -prefMapHandle 1776 -prefsLen 21998 -prefMapSize 235091 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d09865f9-3202-4309-acad-c92a52e70204} 372 "\\.\pipe\gecko-crash-server-pipe.372" 1876 2416e109858 gpu3⤵PID:3980
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.1.884072076\987883929" -parentBuildID 20230214051806 -prefsHandle 2460 -prefMapHandle 2456 -prefsLen 22849 -prefMapSize 235091 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {65319bcf-06b7-4d54-8d82-639c0f721669} 372 "\\.\pipe\gecko-crash-server-pipe.372" 2496 24161492858 socket3⤵PID:912
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.2.1583493325\1095420967" -childID 1 -isForBrowser -prefsHandle 2888 -prefMapHandle 2936 -prefsLen 22887 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6fddb010-f0ea-42cd-88dc-02f671ef8fd6} 372 "\\.\pipe\gecko-crash-server-pipe.372" 2996 2417103ab58 tab3⤵PID:3244
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.3.902861492\1141590048" -childID 2 -isForBrowser -prefsHandle 3640 -prefMapHandle 3636 -prefsLen 27538 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7ed5a310-d540-47ab-96e3-5739c6a97f81} 372 "\\.\pipe\gecko-crash-server-pipe.372" 3652 2417274b258 tab3⤵PID:3356
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.4.1595331247\680953465" -childID 3 -isForBrowser -prefsHandle 5072 -prefMapHandle 5068 -prefsLen 27538 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {00a0fff7-833f-4a41-b230-c6809610153e} 372 "\\.\pipe\gecko-crash-server-pipe.372" 5084 241743b2158 tab3⤵PID:4404
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.5.184544357\1843156725" -childID 4 -isForBrowser -prefsHandle 5440 -prefMapHandle 5436 -prefsLen 27538 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {efde1e59-d3f5-4cd0-92d3-196550a79668} 372 "\\.\pipe\gecko-crash-server-pipe.372" 5448 241746a5158 tab3⤵PID:3616
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.6.807062842\212343248" -childID 5 -isForBrowser -prefsHandle 5256 -prefMapHandle 5404 -prefsLen 27538 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0356bdc0-f7dc-4054-8479-8e7ce1acbd6c} 372 "\\.\pipe\gecko-crash-server-pipe.372" 5100 241746a6058 tab3⤵PID:2132
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="372.7.1609497321\327928219" -childID 6 -isForBrowser -prefsHandle 5836 -prefMapHandle 5832 -prefsLen 27538 -prefMapSize 235091 -jsInitHandle 1148 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {82d85a85-6383-4561-9b54-565124f4828b} 372 "\\.\pipe\gecko-crash-server-pipe.372" 5844 241746a6358 tab3⤵PID:4628
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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\ta3lt0q7.default-release\activity-stream.discovery_stream.json.tmp
Filesize22KB
MD546f4e84c8cb338e036609f3e373acbc3
SHA1492dc0f8703f9778387f50e59c9a6e4ccf3fc31c
SHA2567d00a706cec58160228b942ed70488ac621bade5739e794ab7db9a903c13a9a5
SHA512d234e428d1a506ada175ad62e35d7e8655fb062ad10acb65e387fa433781c20b578e1e1891de8fed5f9c68e5694fdc567c40098be76748980cfa6cbcb7e8ef79
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ta3lt0q7.default-release\activity-stream.discovery_stream.json.tmp
Filesize23KB
MD581305d9eabd6997e22f1844aaccf46c9
SHA15388ed7bdf5011f888504e504600b34fb1a9d35e
SHA256f70f3d0dbd9948e37c2761c02d516b53916d21245f4c3003d0b23633df7faf1b
SHA512453e1d001ec7dfc35c10a83946f701ecc3fa1a7eb77c040458e5a9b3ad48611b0292e68fefcda0e1292f3895c4f4353a08ac87412333e792bc9aaa4bb07325e0
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ta3lt0q7.default-release\cache2\entries\5CD1EBDF6B57F13C7E783CE5E6D8E9C44014FE1A
Filesize13KB
MD52c8b296b46754bdf017c472fb9f23ea7
SHA11809501e012539cf9d66d39ea263fb11dda2b60f
SHA256ae855df4cbd0238f89a52e4d932e3fd0b482b95c4d013a85b32308c78f3c012e
SHA5122c89ee338958e852f3c71b1ad86b3bfe5fa59a3f87e28ac352985a47751f49ee730555a055057061f04bfa066e6080ddc6c318c883c7968bb4e1466d8dfecf2d
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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\ta3lt0q7.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\ta3lt0q7.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\ta3lt0q7.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\ta3lt0q7.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\ta3lt0q7.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\ta3lt0q7.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\ta3lt0q7.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize1KB
MD5937326fead5fd401f6cca9118bd9ade9
SHA14526a57d4ae14ed29b37632c72aef3c408189d91
SHA25668a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
SHA512b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2
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Filesize
7KB
MD5c50b7ddbb9ca616d6e38b4aa1f01d36d
SHA1f9c2aef15ddc42d730ac7935aeba75b3644b95dd
SHA256bf71fd6e21afb64db57163901d00bb99f26bde5593da1c7e24c30fdff399f60e
SHA5129972ade7b0db3dd962a99601a06e2d065fdae16f40f1ab01ebb497f568d69e12304d18282d3acbeeedac7b4f36b43f7298af094f30eeaf36ebc0f03d950ac45a
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Filesize
8KB
MD50f3f9c789d4851f22a03bdcf36c9e018
SHA1e9ded817684caf01f45085fe1c5e6aba6859f021
SHA256a22311ff2ed03e8eb4225305cf4ed216280d2ff24fd600b8ef4652211b3fe868
SHA512ae58bc64e6c0776a83725133182a22c18af6a7cab52aae0e75a2172f15fb06d113a715f819c08d2e99cedcf054c1a9b0b2b9f725a0a759d95e16ba3db512008f
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Filesize
6KB
MD53b7a0b525015f8ffa01a097771cc2e9f
SHA1817f7f8faae808604dcce0dc141e7372eff9c368
SHA256d6bacc0c7ee78ace29458782ce6484039fc26eaf16093a42e4c0bb2ea933cfb8
SHA5127b888a3e07b0bcda2aafb201636764a44e1d6aa505f19c3d692a18ffcb6637955760306a4177ce913bbfefa227756b836666a59d74fe685e548aea8d21bc6780
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ta3lt0q7.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD555c9605fcad8d59bed81ccb30906af8d
SHA1e2dac3cee6502d25510168665edb0812fdc47409
SHA2568ad1fd17aefe77da7da7b97df26b49b5d703654cb4ab2a1e13ff16175a706a0d
SHA512bc1610b47aa1baf9d4ae763299b92a2add7a549f7eeca21cee7fc0dc81b7f71a857645184b38959aa3ecbcd69a6760465cf47cab2d7364a03a8d6a972296824b
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ta3lt0q7.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD525667a24719d1cb6f8c3a511d3cfbea1
SHA14b578df3661e6cad14348dbac0a8375efc811fe7
SHA2567164e8932ff9db445bf0ccdab0672fe294155b85527449f9bb7d67146bc9261b
SHA51261422850fde0627270ac3b25bf30ba4b566bae4249ece0f9cbb93ac70142e0578ce812fe5f5911dbc8bedc5f49df0cb0b3023b8aec2773acc76547aa7fc688bd