hxxp://c[.]margolisoffice-interiors[.]uk/U-41-52W-2UNG7-K8MGS-765WGONLD

Analysis

max time kernel
58s
max time network
62s
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, 07:55

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General

Target

http://c.margolisoffice-interiors.uk/U-41-52W-2UNG7-K8MGS-765WGONLD

Score

1^/10

Malware Config

Signatures

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	firefox.exe
Token: SeDebugPrivilege	2252	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2252	firefox.exe
2252	firefox.exe
2252	firefox.exe
2252	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2252	firefox.exe
2252	firefox.exe
2252	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2252	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 3576 wrote to memory of 2252	3576	firefox.exe	80
PID 2252 wrote to memory of 2800	2252	firefox.exe	87
PID 2252 wrote to memory of 2800	2252	firefox.exe	87
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 1712	2252	firefox.exe	88
PID 2252 wrote to memory of 4172	2252	firefox.exe	89
PID 2252 wrote to memory of 4172	2252	firefox.exe	89
PID 2252 wrote to memory of 4172	2252	firefox.exe	89

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://c.margolisoffice-interiors.uk/U-41-52W-2UNG7-K8MGS-765WGONLD"
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://c.margolisoffice-interiors.uk/U-41-52W-2UNG7-K8MGS-765WGONLD
  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:2252
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.0.922025381\1132346740" -parentBuildID 20221007134813 -prefsHandle 1920 -prefMapHandle 1912 -prefsLen 20860 -prefMapSize 232645 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f335d6f1-f946-4f84-ab00-6a994ed830a4} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 1776 1c5f8eed058 gpu
    3⤵
    PID:2800
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.1.201073749\1321975674" -parentBuildID 20221007134813 -prefsHandle 2392 -prefMapHandle 2380 -prefsLen 21676 -prefMapSize 232645 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {af279e61-e5b9-403f-a941-4f86dc71e0e7} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 2420 1c5f8841a58 socket
    3⤵
    PID:1712
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.2.1083730387\2011433565" -childID 1 -isForBrowser -prefsHandle 3220 -prefMapHandle 3288 -prefsLen 21779 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8106a39c-267b-4f0a-b43f-131a2364ba3f} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 3188 1c5fcdf2658 tab
    3⤵
    PID:4172
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.3.491046796\701522378" -childID 2 -isForBrowser -prefsHandle 3304 -prefMapHandle 3400 -prefsLen 26359 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2092292c-a2b7-443d-819c-86521a3d4474} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 3332 1c5fb64cb58 tab
    3⤵
    PID:3540
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.4.1799955598\1156611752" -childID 3 -isForBrowser -prefsHandle 4896 -prefMapHandle 4824 -prefsLen 26418 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a2468383-91f0-471e-9759-848128aa431d} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 4908 1c5fcd50458 tab
    3⤵
    PID:3660
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.7.1566290451\1909640918" -childID 6 -isForBrowser -prefsHandle 5548 -prefMapHandle 5544 -prefsLen 26418 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {32b0b7cb-4072-4201-82a3-e39098330c2c} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 5556 1c5ffdd1f58 tab
    3⤵
    PID:228
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.6.1840012338\214776069" -childID 5 -isForBrowser -prefsHandle 5272 -prefMapHandle 5276 -prefsLen 26418 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b1cbdffd-8649-4742-9146-b715bc2e26e3} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 5160 1c5ffc45f58 tab
    3⤵
    PID:5016
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2252.5.793680632\951963476" -childID 4 -isForBrowser -prefsHandle 2760 -prefMapHandle 5248 -prefsLen 26418 -prefMapSize 232645 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {220968f3-6ab1-4d19-b519-4d58050437ac} 2252 "\\.\pipe\gecko-crash-server-pipe.2252" 3276 1c5ffc44758 tab
    3⤵
    PID:2232

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\05ypapi5.default-release\activity-stream.discovery_stream.json.tmp

Filesize
149KB

MD5
42069673f9da7a0d27f231d3c964bf02

SHA1
accb8f6d3d95f121236684256322e49d8dcdc5bf

SHA256
59f03428aefaebb680cfc2adf3ed8d7fd1eab7b3ceda324b125388fd15a18cdc

SHA512
8a42126ecbfec1e2b87ea9a603bf378b2e7414d0b91414a9bf811246164f412fdc2128440c4bb17feadab58dd7e503d4e848c9f19229f5af097b91752006d4ac

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\05ypapi5.default-release\cache2\entries\70DBE5F90BD35EEC6D4A07D16DB46EC38E379124

Filesize
13KB

MD5
158710e9f98d4a112e268b51122adfd2

SHA1
a37475c96d2f52bde9a7cb2966376b3d5b123f5e

SHA256
77d0a7e0b48ebd1a789b92f98ca059d29b15506579c60ccfc3e352bd2f69a8a5

SHA512
67370e40855712b67de605751416c3fbe7278ebb2644ac01a1c7cfde56ca2aad8b435e24918e312e7b32cab146cefdf4247d76e0f35217d2cd856db7a11b2a38

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\05ypapi5.default-release\cache2\entries\ED9826654AE8BD972BDE17A9E0A449D3F881E430

Filesize
13KB

MD5
a728eabdfbdf83f66fb3bb35b2367ab7

SHA1
b1f79fe5ef7fcd7b7f388639d1e814a7e166040c

SHA256
041f684f42586d80daa46e02069127434cadeee6ca64b17579b3ab49caf888dd

SHA512
b77a04a91dbac754544526d6bd119fbac24a8f63aabcfeed56b4f599178940fe7d7d68cf5aeaae547a4fcff7252259851cf4696529fc6595b2c6075eb1a7dbc2

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\05ypapi5.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\05ypapi5.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\05ypapi5.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\05ypapi5.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\05ypapi5.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\05ypapi5.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\05ypapi5.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\05ypapi5.default-release\prefs-1.js

Filesize
7KB

MD5
145f05ed06d0a2aff8cde3a514a31393

SHA1
dccb6f8ac102c5fe45db20768e82fd349b1d935a

SHA256
380391b96512e88134d2ce309c6eb1322acc3faf02b962d6a8dbe23ef16fe5ee

SHA512
73a7e4f334600f4e88f7c31f3bfe174cbbd51a6fb52562e28eef9bd89cd91fff608ab2910ca56c6f1c8c4d973e40ff84cc11afb06dc6f57244645d376536ffe1

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\05ypapi5.default-release\prefs-1.js

Filesize
6KB

MD5
247fd1737c7397f4e28d224d057ecac5

SHA1
421e824715afb37494fe00227b39173dd4de992b

SHA256
b7a617b5ca789dd7117595894b15c0a51baf4f1b37630ec8df5899909a66f9c3

SHA512
dc874ca485c238ef60386ac7ea5c77bd21f679b210619865962312fd34f9d7383bb3876c09419051ca0300b114e3737f92e54a4180d88984eb2980df87f4fbb6

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\05ypapi5.default-release\prefs-1.js

Filesize
6KB

MD5
b64b9ac641cc81576ad2337976d07e8e

SHA1
0d01d0d085dc3884e5ed8d44eb54d06b71c85de4

SHA256
1048a89139d793ead3338158eacf2239a7d16fabdac6d46d5287eafb62194aa4

SHA512
cf41b18ca2d619d8fd45f390e9bd5a4f1529c3f36b0f11beec31b7a5a117586640421505b0662f4ae6e107b8283a6bd2c3cc9ecc4b6dfe28fcedc832ca77f922

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\05ypapi5.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
0fa28c0d90197def9dab4348b759da71

SHA1
02fd59b617b950dc5a404b6cf41374e147def3ac

SHA256
ee8a52c3fc7991a9cc369d5cdeb03f08a438855b4fae1bf26f85a069550480a0

SHA512
ea0556fe0727c08861a80d796fd48f67b59a29fc19cdb8747e3d6b658d9c015595be6e798c99064799a29aac753d082039a4238a4ec09537265172735ed6ae31

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\05ypapi5.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

Filesize
1.3MB

MD5
c45b2a9723c72e1e4355097c01e04adf

SHA1
ba89f1f7531970b20d8f409b0d3c2f514d89cab6

SHA256
5db271b80cdeb706404f8f4bbcac2736c62ca6d6c47328fba4cfb28e63648f38

SHA512
e151b9ead6f0504c4e400264e61bbfe0964d7e342afebc43f4441853be9b3f36c9a62517daadcdeafa48453afbd3b9589f7fdf4d23e159bbc8195407f7735458

Download Submit