Analysis
- max time kernel
151s - max time network
153s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system - submitted
08/08/2022, 08:08
Static task
static1
Behavioral task
behavioral1
Sample
PFI_RF5030_page-0001.exe
Resource
win7-20220718-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
PFI_RF5030_page-0001.exe
Resource
win10v2004-20220721-en
10 signatures
150 seconds
General
- Target PFI_RF5030_page-0001.exe
- Size 833KB
- Sample220808-j1j2vaaaa2
- SHA256 c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
- MD5 c612f3851563baa0bf9ac2fff8878d73
- SHA1 5f8549ff68a73351134223a0ea5f8011c4ccb8e6
- SHA512 6729be62b441bfdb4d3fed231fc16da0036f791543c6cf9492b15d0c726a6ccef79f54ffb4a652dae188296482b2eeadcba16649fb977fc61d890d4b50b83a7b
- MD5 SHA1 SHA512
Malware Config
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 7 1328 rundll32.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Control Panel\International\Geo\Nation PFI_RF5030_page-0001.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1684 set thread context of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1308 set thread context of 1232 1308 PFI_RF5030_page-0001.exe 20 PID 1308 set thread context of 1232 1308 PFI_RF5030_page-0001.exe 20 PID 1328 set thread context of 1232 1328 rundll32.exe 20 -
description ioc Process Key created \Registry\User\S-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 rundll32.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1684 PFI_RF5030_page-0001.exe 1684 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe - Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1308 PFI_RF5030_page-0001.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe 1328 rundll32.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1684 PFI_RF5030_page-0001.exe Token: SeDebugPrivilege 1308 PFI_RF5030_page-0001.exe Token: SeDebugPrivilege 1328 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1232 Explorer.EXE 1232 Explorer.EXE - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1232 Explorer.EXE 1232 Explorer.EXE - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 1684 wrote to memory of 1276 1684 PFI_RF5030_page-0001.exe 27 PID 1684 wrote to memory of 1276 1684 PFI_RF5030_page-0001.exe 27 PID 1684 wrote to memory of 1276 1684 PFI_RF5030_page-0001.exe 27 PID 1684 wrote to memory of 1276 1684 PFI_RF5030_page-0001.exe 27 PID 1684 wrote to memory of 1288 1684 PFI_RF5030_page-0001.exe 28 PID 1684 wrote to memory of 1288 1684 PFI_RF5030_page-0001.exe 28 PID 1684 wrote to memory of 1288 1684 PFI_RF5030_page-0001.exe 28 PID 1684 wrote to memory of 1288 1684 PFI_RF5030_page-0001.exe 28 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1684 wrote to memory of 1308 1684 PFI_RF5030_page-0001.exe 29 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1232 wrote to memory of 1328 1232 Explorer.EXE 30 PID 1328 wrote to memory of 1980 1328 rundll32.exe 32 PID 1328 wrote to memory of 1980 1328 rundll32.exe 32 PID 1328 wrote to memory of 1980 1328 rundll32.exe 32 PID 1328 wrote to memory of 1980 1328 rundll32.exe 32 PID 1328 wrote to memory of 1980 1328 rundll32.exe 32
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"3⤵PID:1276
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C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"3⤵PID:1288
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C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1308
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1980
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