Analysis
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max time kernel
231s -
max time network
280s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 23:31
Static task
static1
Behavioral task
behavioral1
Sample
method.zip
Resource
win11-20240508-en
General
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Target
method.zip
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Size
41KB
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MD5
1df9a18b18332f153918030b7b516615
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SHA1
6c42c62696616b72bbfc88a4be4ead57aa7bc503
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SHA256
bbd05de19aa2af1455c0494639215898a15286d9b05073b6c4817fe24b2c36fa
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SHA512
6382ca9c307d66ab7566acf78b1afd44b18b24d766253e1dc1cb3a3c0be96ecf1f2042d6bd3332d49078ffee571cf98869c1284c1d3e5c1c7dc3e4c64f71af80
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SSDEEP
768:hzyVr8GSKL6O3QOXk/0u3wqOghrFCezL1VFJdbq2QTJTw02Q:hGx8DKXE//ZhhCirFi2cwK
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-1-5-21-1672260578-815027929-964132517-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2408 firefox.exe Token: SeDebugPrivilege 2408 firefox.exe Token: SeDebugPrivilege 2408 firefox.exe Token: SeDebugPrivilege 2408 firefox.exe Token: SeDebugPrivilege 2408 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2408 firefox.exe 2408 firefox.exe 2408 firefox.exe 2408 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2408 firefox.exe 2408 firefox.exe 2408 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2408 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 4068 wrote to memory of 2408 4068 firefox.exe 85 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4244 2408 firefox.exe 86 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 PID 2408 wrote to memory of 4440 2408 firefox.exe 87 -
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:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\method.zip1⤵PID:4164
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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:3068
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4068 -
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:2408 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.0.857816200\53004762" -parentBuildID 20230214051806 -prefsHandle 1768 -prefMapHandle 1748 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {72948177-cf94-4152-b65d-56f273e0dd73} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 1848 1a157d0ff58 gpu3⤵PID:4244
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.1.531550709\1916938673" -parentBuildID 20230214051806 -prefsHandle 2344 -prefMapHandle 2340 -prefsLen 22110 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4b920866-ae74-4ab0-9288-c869f1319e21} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 2372 1a14af8ae58 socket3⤵PID:4440
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.2.494062343\1619101421" -childID 1 -isForBrowser -prefsHandle 2912 -prefMapHandle 2908 -prefsLen 22148 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {344d7a2f-b217-4241-8367-24b76bb0b8c3} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 2924 1a156d8c458 tab3⤵PID:3904
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.3.1263014639\588604341" -childID 2 -isForBrowser -prefsHandle 3396 -prefMapHandle 3400 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0bd7619b-0c1b-4f1a-9b32-67a1309fa176} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 3576 1a14af85058 tab3⤵PID:2452
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.4.1781680802\189497731" -childID 3 -isForBrowser -prefsHandle 5200 -prefMapHandle 5172 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a5072e8a-1afb-472e-9442-0eead0254001} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 5208 1a160595158 tab3⤵PID:1244
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.5.1102198336\177355703" -childID 4 -isForBrowser -prefsHandle 5324 -prefMapHandle 5328 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7325a17e-7b71-4e6c-b0fa-8d66ef512347} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 5228 1a160595458 tab3⤵PID:2376
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.6.465623691\1837195283" -childID 5 -isForBrowser -prefsHandle 5528 -prefMapHandle 5532 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7f1a25e5-fc3d-46d8-b8b0-99872d5a3fb5} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 5520 1a160596f58 tab3⤵PID:3184
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2408.7.780205140\610048707" -childID 6 -isForBrowser -prefsHandle 5936 -prefMapHandle 1692 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 1336 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e18e9c98-0af0-471c-a649-9d3e6de6b59b} 2408 "\\.\pipe\gecko-crash-server-pipe.2408" 1536 1a161505058 tab3⤵PID:1384
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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\mg2c1myw.default-release\activity-stream.discovery_stream.json.tmp
Filesize24KB
MD5860f17ae2f131d74c89ac229eafbe7e0
SHA16268a37592ded052617d33f5e066654c60ecdeaf
SHA256814f7e71535ebfd5ed40e1fda33e7d0605cbef90382fe8655598d54b35cf3fe5
SHA51221e07c351b70cdcbf92c5bab967fd6f9bdb08041a2e6fd6b27c6eb1291e25483480c560028d55454f8c834bfb632c2a5a990e75972198f0579ec9d68755d65d2
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\mg2c1myw.default-release\cache2\entries\F4EFE37A30D0F14C6AC03FF7949A51CBC2EBC649
Filesize13KB
MD526c45e94264af661e9c4c781fd7f990d
SHA11e1bb2b212949ca6077cdf994879898660c568ff
SHA256cd5648866a46a9225b8cfd68a2d99b3e7fafe340c4df4e69d443a585cafbd9bd
SHA51298eb462d13a3c6d100750564e11c4d11abd2773a77fb70eef3056a7a5a23e76cba441afecb7c8db24c62bee83f95423d97946b6d0c9bf41c3fa60794596bb91e
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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\mg2c1myw.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\mg2c1myw.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\mg2c1myw.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\mg2c1myw.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\mg2c1myw.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\mg2c1myw.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\mg2c1myw.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize1KB
MD5937326fead5fd401f6cca9118bd9ade9
SHA14526a57d4ae14ed29b37632c72aef3c408189d91
SHA25668a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
SHA512b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2
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Filesize
9KB
MD5b122c112620246efb89ce51956aecc22
SHA163dfc729f33a0676345af45e928dc68aa3b8bbea
SHA25637232829ee00f89be4e9ff0f589fb06ce49cf0f06f5eb696464551e0165b7fd7
SHA512e3e7ee08b6edc4a6f4945468bb1aea08928de662224e1926358619c3fb2f884fddecbe36435d0d7be81776e0ebbfb916f47dd27d18dc565314429f8b63a15e3b
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Filesize
7KB
MD55589190ed9df4f93b37935573076e9fc
SHA1b3c34357359a7ff665f8e626f8030c56e6294a82
SHA256abc327721604a188fda8153c8d88489451a821c056967556cf19054918abf7a3
SHA51271e37ff96ed3812b8072ed040343920fcace031ae5107d54e81c7845ec288feb220f08e4bbf5c9b365c85ca048ca22f05c9f57d68bdd30696dec23a4daec9343
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore-backups\recovery.jsonlz4
Filesize4KB
MD5d36c282d3f7a331f59704c46891c64cf
SHA11be4ab223e7189e4efa605046c339061022e7a5e
SHA256e16a48967efe27a77d82aff7eb011e5ac427b2e8f5df22995a1eb440787076bf
SHA5126415b9612cee16b5117ec1cb8155cd04a12ec2987ce59e4c8f770ab5b839bf03d8d2d3c8d07a14516f21489abfaed46b2d024f4bb8cecc4134c6f20bf90a2c73
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore-backups\recovery.jsonlz4
Filesize3KB
MD5a918322262a24d955e4f1aaf5c45b73b
SHA1b5793b4940c960b815d49e5ca2d465de43283b3e
SHA2561482b2784bca7581e378c9c870e941ff08df07efffb10e84e92db67601c8a3d1
SHA512115382fc66d29facb75de77da5ffc50331f803a9985ba7fa73d9a6cd5e8a38c3463a2c9a2c0f34d26169d5ddc27299c940f1d323b1ae221215a8a74b2d508b44
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore-backups\recovery.jsonlz4
Filesize4KB
MD51503073cd57c8578ed2122a3302bd49e
SHA1d73109038c4bae3e5275d3d4e6fc6cfd343c9e3f
SHA25667d6f8547ff73d3728bad64c1130ec419de969d5b3d781867e6411a0df3901ab
SHA512c53079dc85d0ee54f9ec99aceb750129d41a229726fa99df98b6d569d4b06bd4c9727929bd9026e70a436bf8bf85ea1a5b4c6bcdcfda12eb34845129f4e08ab8