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Analysis
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max time kernel
50s -
max time network
55s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/10/2022, 12:12
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://u29295797.ct.sendgrid.net/
Resource
win10-20220812-en
windows10-1703-x64
7 signatures
150 seconds
General
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Target
https://u29295797.ct.sendgrid.net/
Score
1/10
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2392 firefox.exe Token: SeDebugPrivilege 2392 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2392 firefox.exe 2392 firefox.exe 2392 firefox.exe 2392 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2392 firefox.exe 2392 firefox.exe 2392 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2392 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2204 wrote to memory of 2392 2204 firefox.exe 66 PID 2392 wrote to memory of 4820 2392 firefox.exe 68 PID 2392 wrote to memory of 4820 2392 firefox.exe 68 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3732 2392 firefox.exe 70 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71 PID 2392 wrote to memory of 3384 2392 firefox.exe 71
Processes
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" https://u29295797.ct.sendgrid.net/1⤵
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" https://u29295797.ct.sendgrid.net/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:2392 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2392.0.1681217973\1701651575" -parentBuildID 20200403170909 -prefsHandle 1524 -prefMapHandle 1504 -prefsLen 1 -prefMapSize 219938 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2392 "\\.\pipe\gecko-crash-server-pipe.2392" 1612 gpu3⤵PID:4820
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2392.3.2053286754\1236145415" -childID 1 -isForBrowser -prefsHandle 2208 -prefMapHandle 2196 -prefsLen 156 -prefMapSize 219938 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2392 "\\.\pipe\gecko-crash-server-pipe.2392" 2220 tab3⤵PID:3732
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2392.13.584965055\1618444690" -childID 2 -isForBrowser -prefsHandle 3332 -prefMapHandle 3328 -prefsLen 6938 -prefMapSize 219938 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2392 "\\.\pipe\gecko-crash-server-pipe.2392" 3312 tab3⤵PID:3384
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244B
MD5a08d3bd6beb4220b486eb486da972fbb
SHA133bbcb65219b457aa4050f85b92bfca5b3e4f2ad
SHA256c64f3efa94668ae0df27afdf15d0f30493f11264f41246e429dcb6c76e31d359
SHA512cead8d766b7f5787ac9a46b9331d87f3e3bd5aafaa1f4c7f1ec45ae83493bbb8ed3d835ee91c2be2f525c16615ee79b07a189d471328344d1001a29e8365df8a