Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
02-02-2023 01:24
Static task
static1
Behavioral task
behavioral1
Sample
pack_icon.png
Resource
win10-20220812-en
windows10-1703-x64
10 signatures
150 seconds
General
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Target
pack_icon.png
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Size
924B
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MD5
71275236bcc2b6272469d647252694f6
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SHA1
f32ba35a5720b04283a50a3a872232d41596eb94
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SHA256
a2a9d59145b48f5be62a880543c6785fecdc22926daafdbde4fb3712f02afbf9
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SHA512
7369079ec5324642338d059cb70e3803046bac44ad05b7868780908495874d2baf12d842af5f955127e38bba1fcb28da1ae5ac56e93d0da11e76bbf3e947c8ae
Score
4/10
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\4272278488\3302449443.pri SecHealthUI.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4904 4496 WerFault.exe 74 -
Checks processor information in registry 2 TTPs 5 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 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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4760 firefox.exe Token: SeDebugPrivilege 4760 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4760 firefox.exe 4760 firefox.exe 4760 firefox.exe 4760 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4760 firefox.exe 4760 firefox.exe 4760 firefox.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4496 SecHealthUI.exe 4760 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4996 wrote to memory of 4760 4996 firefox.exe 83 PID 4760 wrote to memory of 1640 4760 firefox.exe 85 PID 4760 wrote to memory of 1640 4760 firefox.exe 85 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 3400 4760 firefox.exe 86 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87 PID 4760 wrote to memory of 980 4760 firefox.exe 87
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\pack_icon.png1⤵PID:2456
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C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\SecHealthUI.exe"C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\SecHealthUI.exe" -ServerName:SecHealthUI.AppXep4x2tbtjws1v9qqs0rmb3hxykvkpqtn.mca1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4496 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4496 -s 17002⤵
- Program crash
PID:4904
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4996 -
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:4760 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4760.0.1478043389\1456780803" -parentBuildID 20200403170909 -prefsHandle 1552 -prefMapHandle 1544 -prefsLen 1 -prefMapSize 220115 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4760 "\\.\pipe\gecko-crash-server-pipe.4760" 1632 gpu3⤵PID:1640
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4760.3.957451370\40563391" -childID 1 -isForBrowser -prefsHandle 2260 -prefMapHandle 2256 -prefsLen 156 -prefMapSize 220115 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4760 "\\.\pipe\gecko-crash-server-pipe.4760" 2272 tab3⤵PID:3400
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4760.13.561085087\1883531424" -childID 2 -isForBrowser -prefsHandle 3360 -prefMapHandle 3356 -prefsLen 6938 -prefMapSize 220115 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4760 "\\.\pipe\gecko-crash-server-pipe.4760" 3372 tab3⤵PID:980
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