hxxps://prempub[.]us11[.]list-manage[.]com/profile?u=4d523bd90aa286f74c4d6f0ff&id=82e00ff555&e=18f5a5e179&c=413c402ef9[.]

Analysis

max time kernel
36s
max time network
41s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2023 07:12

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General

Target

https://prempub.us11.list-manage.com/profile?u=4d523bd90aa286f74c4d6f0ff&id=82e00ff555&e=18f5a5e179&c=413c402ef9.

Score

1^/10

Malware Config

Signatures

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4916	firefox.exe
Token: SeDebugPrivilege	4916	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4916	firefox.exe
4916	firefox.exe
4916	firefox.exe
4916	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4916	firefox.exe
4916	firefox.exe
4916	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4916	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 744 wrote to memory of 4916	744	firefox.exe	85
PID 4916 wrote to memory of 3696	4916	firefox.exe	87
PID 4916 wrote to memory of 3696	4916	firefox.exe	87
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 1732	4916	firefox.exe	88
PID 4916 wrote to memory of 4464	4916	firefox.exe	90
PID 4916 wrote to memory of 4464	4916	firefox.exe	90
PID 4916 wrote to memory of 4464	4916	firefox.exe	90

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://prempub.us11.list-manage.com/profile?u=4d523bd90aa286f74c4d6f0ff&id=82e00ff555&e=18f5a5e179&c=413c402ef9."
1⤵
- Suspicious use of WriteProcessMemory
PID:744
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://prempub.us11.list-manage.com/profile?u=4d523bd90aa286f74c4d6f0ff&id=82e00ff555&e=18f5a5e179&c=413c402ef9.
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.0.1912111189\529740476" -parentBuildID 20221007134813 -prefsHandle 1896 -prefMapHandle 1888 -prefsLen 20860 -prefMapSize 232645 -appDir "C:\Program Files\Mozilla Firefox\browser" - {014b0ed0-c4b1-4110-b32d-f02e824dfa49} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 1976 249f54db858 gpu
    3⤵
    PID:3696
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.1.86326818\1321874998" -parentBuildID 20221007134813 -prefsHandle 2380 -prefMapHandle 2376 -prefsLen 21676 -prefMapSize 232645 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2e6bdf1c-9b14-4305-9083-ce3dda5942fd} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 2400 249f4fe6258 socket
    3⤵
    PID:1732
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.2.1067174904\1184088088" -childID 1 -isForBrowser -prefsHandle 3204 -prefMapHandle 3200 -prefsLen 21779 -prefMapSize 232645 -jsInitHandle 1192 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1ad52be2-fd28-472b-bdc9-adbf2f0f460a} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 3016 249f545d358 tab
    3⤵
    PID:4464
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.3.817151060\1808614552" -childID 2 -isForBrowser -prefsHandle 3872 -prefMapHandle 3868 -prefsLen 26359 -prefMapSize 232645 -jsInitHandle 1192 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c84c5e8e-f57f-4dc1-ba3e-c73c2c472f64} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 3824 249fa22ab58 tab
    3⤵
    PID:3576
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.5.692511074\370115787" -childID 4 -isForBrowser -prefsHandle 5164 -prefMapHandle 5168 -prefsLen 26593 -prefMapSize 232645 -jsInitHandle 1192 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {57960e59-165f-4844-a097-20fe7cdd459e} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 5156 249fb9acc58 tab
    3⤵
    PID:3788
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.6.1637004779\505014902" -childID 5 -isForBrowser -prefsHandle 5360 -prefMapHandle 5364 -prefsLen 26593 -prefMapSize 232645 -jsInitHandle 1192 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7ff163ec-6a80-4372-ad72-b639aa81e001} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 5352 249fb9e0e58 tab
    3⤵
    PID:4608
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4916.4.690793190\90286754" -childID 3 -isForBrowser -prefsHandle 5056 -prefMapHandle 5052 -prefsLen 26593 -prefMapSize 232645 -jsInitHandle 1192 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f3b6821a-1c88-4292-8572-e47e67d8ef68} 4916 "\\.\pipe\gecko-crash-server-pipe.4916" 5064 249f9871658 tab
    3⤵
    PID:2104

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\46be7tph.default-release\activity-stream.discovery_stream.json.tmp

Filesize
146KB

MD5
68f6262833c504449f658c2c85a77a2b

SHA1
059e10a5dda31d04119be0af9275b66ba92c057f

SHA256
d9ed9886e9240eaa8943b288e4d8a8234ae12266b3c6620ace2b308b2ea4d1b1

SHA512
58c876ea6c38df4bfd530638a19542987dedee107a9294ec6183021e00dde481986dde112d78353901af59aeb1ec65ee017cba37a78831b47fa0196d90acd6a7

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\46be7tph.default-release\cache2\entries\70DBE5F90BD35EEC6D4A07D16DB46EC38E379124

Filesize
13KB

MD5
98b286a2f6ef15a2882464411d57d902

SHA1
414c031b7cd39c7dd90b2a4b1830ad5e7043de96

SHA256
c2a4af1e94400a5c525b009ca4f5a9e5c5ab7f897f58d49f07064f7a48816966

SHA512
8eb26406dfaaf795e1dc009a171b1e41acc5860f3aa75d08eb286af8e4975f80c8d4581095509c615d7c0e811410bbcba6acaac0e83dc9e120865bde69c242a8

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\46be7tph.default-release\cache2\entries\ED9826654AE8BD972BDE17A9E0A449D3F881E430

Filesize
13KB

MD5
15f6532996002c32f03ecf884b2ba747

SHA1
d2b3a44db582dab56e31e424516afdda5ed56f23

SHA256
c44dab39e543d063b75da987cbf453b9199be8a396e786a0c131582098b23745

SHA512
ea0460f6e6dc0e15d45c75fc5c210322dff57c04a012de3a230ab7d63e859b33014247eae47cf6277b7b62ff08edf9238807010617317e8131e7d256944d8e7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon

Filesize
442KB

MD5
85430baed3398695717b0263807cf97c

SHA1
fffbee923cea216f50fce5d54219a188a5100f41

SHA256
a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

SHA512
06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

Filesize
8.0MB

MD5
a01c5ecd6108350ae23d2cddf0e77c17

SHA1
c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

SHA256
345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

SHA512
b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

Filesize
997KB

MD5
fe3355639648c417e8307c6d051e3e37

SHA1
f54602d4b4778da21bc97c7238fc66aa68c8ee34

SHA256
1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

SHA512
8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

Filesize
116B

MD5
3d33cdc0b3d281e67dd52e14435dd04f

SHA1
4db88689282fd4f9e9e6ab95fcbb23df6e6485db

SHA256
f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

SHA512
a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

Filesize
479B

MD5
49ddb419d96dceb9069018535fb2e2fc

SHA1
62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

SHA256
2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

SHA512
48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

Filesize
372B

MD5
8be33af717bb1b67fbd61c3f4b807e9e

SHA1
7cf17656d174d951957ff36810e874a134dd49e0

SHA256
e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

SHA512
6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

Filesize
11.8MB

MD5
33bf7b0439480effb9fb212efce87b13

SHA1
cee50f2745edc6dc291887b6075ca64d716f495a

SHA256
8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

SHA512
d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

Filesize
1KB

MD5
688bed3676d2104e7f17ae1cd2c59404

SHA1
952b2cdf783ac72fcb98338723e9afd38d47ad8e

SHA256
33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

SHA512
7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

Filesize
1KB

MD5
937326fead5fd401f6cca9118bd9ade9

SHA1
4526a57d4ae14ed29b37632c72aef3c408189d91

SHA256
68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

SHA512
b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\prefs-1.js

Filesize
9KB

MD5
fc30844d00b1c1c18bcc0f7a2eeea1db

SHA1
2037738c7f6ff49f54256f3bd2a4d06655572edf

SHA256
486ef9154ef0c88780d389a827fc26df23cd7c6deef7118624d752169314da5b

SHA512
ccb269b61f0b08d35d547eba6bcc3f2919aaf881c381415301ae9d4cc6c5cb8133aef2154f2377c34eaa2a8ea2e82196a25dc79f4b1a37987bd4ea61d03d223d

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\prefs-1.js

Filesize
7KB

MD5
ff0671bf35dbf65ffb6eaf749b8ff588

SHA1
7575fe29fc434a3beae39ba67e1387903af5d840

SHA256
3698d9a2f309ac635d48a3fe78121b9908a0b828d6915549017e8d1b67a67307

SHA512
e111512295f42a884fbcba6f3417668c472c128c0a7f0feba393a27ee3f208ca41645431351108cf9e4904a3ad81bc73a2fc17e6d876ed72ce2cf4d2dba0fd50

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\prefs-1.js

Filesize
6KB

MD5
8b8cdb067988cb8a482e5042b8dd0918

SHA1
3ce612db171bdc6bdfd0e481ca2989964df07b26

SHA256
1bbe3256f0b461e919958cf36c159f6d730a2d99fda1aac1e14bcc394f8f4aa7

SHA512
7c76ee711fa1c8658803b202ee80663022954d9d7d34c203598c7bcf4a7d0317506df9ac413810cb56ccba7a13502b0b562971f39e72c3ac760580641af8dea3

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\prefs.js

Filesize
6KB

MD5
ec297d731eda78dde8b40c802ace1264

SHA1
40c1973991e0c70dde8d3749331ab43a1cb616cf

SHA256
3df0baf6d435462ddad618cc93a85380d7e860e08712c7596f346cbbd2ed6b00

SHA512
4042e54cd0011769b005c57112efc53454d5901724f811f6eb5d670135f44d118f034d46f27ece06dc9dc1d9269ec7cdf4b4e35d7e3cc18669ef5ebfb51e9703

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\46be7tph.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
3KB

MD5
6810c903f604192db31a1db5c06449a6

SHA1
993bf211ec2c834488c59e2b837f6cd15399b6b6

SHA256
57fb605fd4c72e09349db7af21d879efb8379c22b6223d2ba8c3746773a72a02

SHA512
d08d64a8bb4f838ffc646bcb105eb70258742aba600ce6a9b214c55bf152af72a211d26925671bb8cd3b50dec79ee4cc182da2fbec528e0502e68dd9123e7864

Download Submit