Analysis
- max time kernel
150s - max time network
133s - platform
windows10_x64 - resource
win10v20210410 - submitted
08/08/2021, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
PAGO.exe
Resource
win7v20210408
General
- Target PAGO.exe
- Size 867KB
- Sample210808-stbdpd2pgj
- SHA256 df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b
- MD5 3f332ec29d9e058eb1c0e296b04b2518
- SHA1 aa4d9429a1f410beb085f86fa4a5f516f99f6a8b
- SHA512 87037bf33969bded6e7e245dfe28edb3f2f1b57ea56b7071957157c2c16fbf4005a68dc198b336c751e346931e479a12f5dc1878b583e4e227a47d93d0700c79
- MD5 SHA1 SHA512
Malware Config
Extracted
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formbook
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4.1
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m3uc
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http://www.naughty-milf-gfe.today/m3uc/
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biostaticenergy.com
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sociofy.media
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prscan.com
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sendsolution.info
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four-three-technologies.com
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xporntubesex.com
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parisanavidi.com
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eesegismundopereira.com
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coursecamponline.com
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arieconsulting.com
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kateheneghan.com
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techein.com
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automotivesemltd.com
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michellag.com
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missionpossibletvshow.com
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luxuryhomereno.com
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borderlessnomads.com
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regulus5.xyz
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thursdayny.com
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meditationmultiverse.com
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nondignification.com
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liberteeforall.com
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stadiumustard.com
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kikohawaii.com
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planlive.xyz
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jokysun.com
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anekagenset.com
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lphomeinspections.com
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agape-agency.com
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fittoflexapparel.com
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charmsitup.com
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wrightrealestates.com
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maritimecrafters.com
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anthonymaltipoopups.com
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savethechildrenwarrior.net
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zgqc1.com
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joycemkennedy.com
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blanks.supply
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standardcrackers.online
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lilthriftkid.com
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dressedbyd.info
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best20weddingregistry.com
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adslab.site
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promag300australia.com
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fkjdjkejkfjkdefd.com
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yourvegashomeearch.com
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cosmeticsarabia.com
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dreamdayland.club
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galacticormus.com
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circusse.com
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mangobalya5.com
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koreanathome.site
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elhorizontecentral.com
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wavelenz.com
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dbeautyzones.com
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arcadchlity.com
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caravaninfo.icu
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bananatasticventures.com
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chefalfredobrown.com
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zonalibrenoticias.com
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note20launch.com
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wbgglobal.com
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upclosephotographs.com
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9norte.com
Signatures
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 3 IoCs
resource yara_rule behavioral2/memory/3648-117-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral2/memory/3648-118-0x000000000041EC30-mapping.dmp formbook behavioral2/memory/3448-245-0x0000000000CA0000-0x0000000000CCE000-memory.dmp formbook - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4056 set thread context of 3648 4056 PAGO.exe 81 PID 3648 set thread context of 2832 3648 PAGO.exe 57 PID 3448 set thread context of 2832 3448 chkdsk.exe 57 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe - Suspicious behavior: EnumeratesProcesses 43 IoCs
pid Process 3648 PAGO.exe 3648 PAGO.exe 2660 powershell.exe 3648 PAGO.exe 3648 PAGO.exe 2660 powershell.exe 2660 powershell.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe 3448 chkdsk.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2832 Explorer.EXE - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3648 PAGO.exe 3648 PAGO.exe 3648 PAGO.exe 3448 chkdsk.exe 3448 chkdsk.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 3648 PAGO.exe Token: SeDebugPrivilege 3448 chkdsk.exe Token: SeShutdownPrivilege 2832 Explorer.EXE Token: SeCreatePagefilePrivilege 2832 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 2832 Explorer.EXE - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4056 wrote to memory of 2660 4056 PAGO.exe 79 PID 4056 wrote to memory of 2660 4056 PAGO.exe 79 PID 4056 wrote to memory of 2660 4056 PAGO.exe 79 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 4056 wrote to memory of 3648 4056 PAGO.exe 81 PID 2832 wrote to memory of 3448 2832 Explorer.EXE 82 PID 2832 wrote to memory of 3448 2832 Explorer.EXE 82 PID 2832 wrote to memory of 3448 2832 Explorer.EXE 82 PID 3448 wrote to memory of 3584 3448 chkdsk.exe 83 PID 3448 wrote to memory of 3584 3448 chkdsk.exe 83 PID 3448 wrote to memory of 3584 3448 chkdsk.exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\PAGO.exe"C:\Users\Admin\AppData\Local\Temp\PAGO.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PAGO.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660
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C:\Users\Admin\AppData\Local\Temp\PAGO.exe"C:\Users\Admin\AppData\Local\Temp\PAGO.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3648
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\PAGO.exe"3⤵PID:3584
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