Analysis
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max time kernel
120s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10-06-2023 00:06
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://ti6uodiccj4u2zedxvoq-pn0xzk-365911088-clientnsv4-s.akamaihd.net/eum/results.txt
Resource
win10v2004-20230220-en
General
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Target
https://ti6uodiccj4u2zedxvoq-pn0xzk-365911088-clientnsv4-s.akamaihd.net/eum/results.txt
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 5 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 Revision 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\VendorIdentifier 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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1120 firefox.exe Token: SeDebugPrivilege 1120 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1120 firefox.exe 1120 firefox.exe 1120 firefox.exe 1120 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1120 firefox.exe 1120 firefox.exe 1120 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1120 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 2940 wrote to memory of 1120 2940 firefox.exe 83 PID 1120 wrote to memory of 1768 1120 firefox.exe 84 PID 1120 wrote to memory of 1768 1120 firefox.exe 84 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 216 1120 firefox.exe 85 PID 1120 wrote to memory of 4756 1120 firefox.exe 86 PID 1120 wrote to memory of 4756 1120 firefox.exe 86 PID 1120 wrote to memory of 4756 1120 firefox.exe 86 -
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" https://ti6uodiccj4u2zedxvoq-pn0xzk-365911088-clientnsv4-s.akamaihd.net/eum/results.txt1⤵
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" https://ti6uodiccj4u2zedxvoq-pn0xzk-365911088-clientnsv4-s.akamaihd.net/eum/results.txt2⤵
- 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:1120 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.0.787225118\138827976" -parentBuildID 20221007134813 -prefsHandle 1836 -prefMapHandle 1828 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d6d678f5-1101-468d-8127-1e015e8df324} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 1916 1e17fa18658 gpu3⤵PID:1768
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.1.956365680\1906681784" -parentBuildID 20221007134813 -prefsHandle 2412 -prefMapHandle 2408 -prefsLen 21706 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6265f177-6322-48d7-8be2-c33da664cad8} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 2424 1e172371958 socket3⤵PID:216
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.2.320942355\622199682" -childID 1 -isForBrowser -prefsHandle 3112 -prefMapHandle 1632 -prefsLen 21789 -prefMapSize 232675 -jsInitHandle 1464 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b6ffdf79-8825-4d67-8d69-922f8f3b94d4} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 3096 1e1030fcf58 tab3⤵PID:4756
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.3.1993261946\801878121" -childID 2 -isForBrowser -prefsHandle 4044 -prefMapHandle 4040 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1464 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e5bd0419-8b06-422e-85de-676aa078fcc9} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 4056 1e104832a58 tab3⤵PID:1812
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.5.1084118270\589215641" -childID 4 -isForBrowser -prefsHandle 4936 -prefMapHandle 4940 -prefsLen 26753 -prefMapSize 232675 -jsInitHandle 1464 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {639cb362-1faa-4d13-8faf-62f4cb917fc1} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 4928 1e1030a4e58 tab3⤵PID:4928
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.6.870101940\806039134" -childID 5 -isForBrowser -prefsHandle 5128 -prefMapHandle 5132 -prefsLen 26753 -prefMapSize 232675 -jsInitHandle 1464 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {79bbb478-b8e2-4241-bae4-a9c562d4f902} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 5020 1e1030a3f58 tab3⤵PID:4900
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1120.4.1802888373\717913037" -childID 3 -isForBrowser -prefsHandle 4688 -prefMapHandle 4772 -prefsLen 26753 -prefMapSize 232675 -jsInitHandle 1464 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fc4c3c48-79f4-4807-a40d-a00d18c62e26} 1120 "\\.\pipe\gecko-crash-server-pipe.1120" 4800 1e1030a2d58 tab3⤵PID:2912
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6exu9k4v.default-release\activity-stream.discovery_stream.json.tmp
Filesize136KB
MD58a0533ef5bba106d371e5d701bfb6485
SHA1bd2cabedd7cb5b0e6a147aea4e07f144674b951e
SHA2562b3acd134576e2c93ed9aaeb859b188e033a973f9bbac5671e60706e42c7fcad
SHA5122baa4c6bb1d6ae16c50798c370eeecca263b10797422bf56907ca42e46c1ec09efe35f7085795309aba99d2f020ba632aad82e9ac71fd90ea3378c77e0e44b4e
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6exu9k4v.default-release\cache2\entries\58D46C4012E4AD3623A4EA72BB3C1CDD25B3FF87
Filesize14KB
MD51f05351ea5df592a1edb18a0e28cd001
SHA1e87910fc320aff0193ebdaee043fac81639cec43
SHA2566388aca74dafc814e41260f983a4adc2e3e4003334389826a5a7c536969fadcc
SHA5124bdd2dd0df8fd219bddd819ab29efb60c162f75bb027ce1c73e352fb0baf792cfc9223780890ca0050050bf0e013b419df6cf0a9eac46bf8b7c9eedd5714737b
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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\6exu9k4v.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\6exu9k4v.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\6exu9k4v.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\6exu9k4v.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\6exu9k4v.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\6exu9k4v.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\6exu9k4v.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize1KB
MD5937326fead5fd401f6cca9118bd9ade9
SHA14526a57d4ae14ed29b37632c72aef3c408189d91
SHA25668a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
SHA512b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2
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Filesize
6KB
MD5fafc753005d154aa8087711939a4a9e8
SHA1d36b95b0d4a8f8289e610d9ee69351bf82a97782
SHA2566883b534cda7a9e12c50a653948314249372a7d3d20ef55f12ade1259b672e39
SHA5121ec4ca4464d80c18cfd459c10d082ca146b95762d81f24f728ea0badfbb46fc9bc54a0e1dcb8578a21d69a41f7953bf0dff7739c1345eb55f20a4ef12a170e8e
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Filesize
6KB
MD54956f7fdb3480ef53fa92333ff00193a
SHA178314137e70819f877fa87f51a3282d56b08040f
SHA25633aaaa10d6a8f74a2a47d363f2b6c5d5144aaceb83021101b34091bd9b684c9c
SHA512f4a612ed56dbf45e2d2175d146b4b55dbcd1749387a55340756f074a4e13ab88207b89b5ad9c869af796a2dc9cff6189c81f5acdb3a33e6a22de24d1eeab26c5
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Filesize
7KB
MD5d36a105ab4a6991f46e77aa956a3c1ca
SHA151ae3bb263840efaaa4fae4e5be1f1be77f3dd03
SHA2560b9cc0f9ea7c128b6dbee9418d6ca590905571327a7051e3ffbca3d1c085368c
SHA512aab00d6bcdf61cb119ad9c1b01da451829770b00645fa4c1eb822aa050109acd59a310d94a31e9637eeb7cf9dee49f4aafc0df8225a7184d7fd78ee7bd2dd46f
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Filesize
8KB
MD592a7a1e18fa60a638a6f382062a6eebc
SHA1656657583cc0efa3096428c5993213c0c4e5c79b
SHA25647177923c781294f96ef8d84137c1ec776410b4b43aee50377a536de75c5387b
SHA512930257848b0fc2d454e35009ab20e92c702f075832059d778a36f10c588290ad69de43e35fd0f6745a9578f6d147a0417145d4947c27fdc1056a1a99c87858bb
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Filesize
10KB
MD502929884a2fd44c551592fbc7b826631
SHA1086f2cb5930b452466f015aa26954cf4011d69fd
SHA256b239df74c8c1d143fcaff93180f1628333f5042a6b668eb4b7c854b2fea29c5c
SHA5124343da219cda7faad9fc653403195c46460478fb514a60b80a5359c5556cd9eadc0309e6d1b59f1569a2e91a58d29e2447a084df7bf05e17081e50549b1a8bd3
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Filesize
6KB
MD5108b97b1ff7efbdb1aecce96d55ff2e5
SHA1bb72b2e0c3d859fe5e821632307a32df331b55e1
SHA256c5e19d4313b524fffc4859f4fac05ea3dcf408714a736dbd0bb7fcdf5131f80e
SHA512e0f7678424e68957a1cb521786e9e4e54c179f9a263b04d0c6a96147cb1e242b58bda3e74e6f142dcd9b6dd313a0061c3050af334b149eab9a8040f923da84dc
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6exu9k4v.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD573bfaee175de0765a758f114a1a96bdf
SHA10301061c4d578817c94d2092d42990aee7b32f98
SHA256c03927ccf7b28bfc47dc1f23ba3c2670d52c73038f9406a0dedb950768166901
SHA512f4c40468549b646ec2ee2f40c7ae2a74c4270fecdc6cbce32cf1db215dc5a5472e062fa30f5d557c65a87752e1f127bed545da46516d5545b3e4e1520ebf77a3
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6exu9k4v.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD5e5d6f3a0bc6b05c8d0d809ad5ba63ee9
SHA1b5db80166e3689d68dbc1000231ccc7e94975bcd
SHA256b0eee7d146d0db8b0a9547e9be13a3fbc9b95a6c6dcf6c77b2128c6094b3ace4
SHA512cee006799dfd49240db2e8139ee301862f4fc8409c3b05498b75657224cca1d6ca02013e47fdc421ce13f0e2d78cde59260a01ebc57d292be81a6011b59e4de6