Analysis
- max time kernel
149s - max time network
153s - platform
windows7_x64 - resource
win7-20220414-en - submitted
27/06/2022, 07:50
Static task
static1
Behavioral task
behavioral1
Sample
DEKONT.exe
Resource
win7-20220414-en
General
- Target DEKONT.exe
- Size 476KB
- Sample220627-jpac9sbfb5
- SHA256 67edbb99d3aba4abdd5edb3151171935ac1ceb730fd3227da79c33e3b2ab03c9
- MD5 e7a8d39e151309312608bad3d0ef0cce
- SHA1 03e609c5ab541538067e7a8d84d9a5a43c553603
- SHA512 5ef3313a22bd34393fafc04d6af6507c316a9668c34a4506f6ad7f0be7697235d84259e05d0c30dab705198d804e64cabebcda323645888494076c6ae6d9819a
- MD5 SHA1 SHA512
Malware Config
Extracted
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formbook
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4.1
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g3t1
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369manifestwealth.com
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centralfloridadecking.com
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wareadvance.com
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hellobody.net
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housemaker.pro
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kudoki.net
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peakadventures.net
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liquidscreeds.world
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corebenefitsconsultantsllc.com
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housecondonow.com
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xn--ah-kta.com
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evolv3-consulting.com
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78688653.com
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truthvanguard.com
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locarte.online
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eighthoursandchange.com
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polskebojnom.xyz
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quaypottery.com
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raintechsg.com
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westpac-cancel.com
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yogainderschwangerschaft.com
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youandeye.sydney
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prime-harmonics.company
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lulu88lulu.com
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codingam.com
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voloka-center.com
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aghayebiz.com
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scaqmwg.com
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belpetekst.xyz
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bruce2233.xyz
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w0080.com
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9astrology.com
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oiyuqiq.com
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95332.net
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jhssconstruction.com
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imperatve.com
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huaddai.com
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cabinetbranco.com
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telemedicine.show
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simplybooksforkids.com
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marketcoordinate.com
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bokag.fr
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scrutt.com
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biormine.com
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scottleland.com
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ofertas-del-dia.com
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ezzylazi.com
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voucherprocessing.com
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room44.services
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958.fyi
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777-bb.com
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nfgmnews.com
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arteyreligion.com
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spitzenluft.com
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storehydration.com
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02399qq.com
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offgridlivin.com
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kontotafranchising.com
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bhr-shift.net
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ohmyfoodie.net
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noyaryrotary.com
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aboutvigorelle.com
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reidacutelaria.com
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lwha9.com
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lifeincharlestonsc.com
Signatures
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 4 IoCs
resource yara_rule behavioral1/memory/1648-60-0x000000000041F0C0-mapping.dmp formbook behavioral1/memory/1648-61-0x0000000000180000-0x00000000001AF000-memory.dmp formbook behavioral1/memory/524-72-0x0000000000080000-0x00000000000AF000-memory.dmp formbook behavioral1/memory/524-76-0x0000000000080000-0x00000000000AF000-memory.dmp formbook - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 892 set thread context of 1648 892 DEKONT.exe 27 PID 1648 set thread context of 1392 1648 vbc.exe 15 PID 524 set thread context of 1392 524 mstsc.exe 15 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1648 vbc.exe 1648 vbc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe 524 mstsc.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 1648 vbc.exe 1648 vbc.exe 1648 vbc.exe 524 mstsc.exe 524 mstsc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 892 DEKONT.exe Token: SeDebugPrivilege 1648 vbc.exe Token: SeShutdownPrivilege 1392 Explorer.EXE Token: SeDebugPrivilege 524 mstsc.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1716 DllHost.exe 1392 Explorer.EXE 1392 Explorer.EXE - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1392 Explorer.EXE 1392 Explorer.EXE - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 892 wrote to memory of 1648 892 DEKONT.exe 27 PID 1392 wrote to memory of 524 1392 Explorer.EXE 29 PID 1392 wrote to memory of 524 1392 Explorer.EXE 29 PID 1392 wrote to memory of 524 1392 Explorer.EXE 29 PID 1392 wrote to memory of 524 1392 Explorer.EXE 29 PID 524 wrote to memory of 1512 524 mstsc.exe 30 PID 524 wrote to memory of 1512 524 mstsc.exe 30 PID 524 wrote to memory of 1512 524 mstsc.exe 30 PID 524 wrote to memory of 1512 524 mstsc.exe 30
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1648
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-
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵PID:1512
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- Suspicious use of FindShellTrayWindow
PID:1716
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\yak (20).ico
- Size 20KB
- SHA256 b6287df7aff98cb3e5f204ccd5c3e60ad3555b905b4405801885ab8a5ce8f8e0
- MD5 f502dc6dd369fb09918fc6cc08d11ce5
- SHA1 9c517889ffd0c923c72544f262a60b76c1391a26
- SHA512 0d934f66cb7e2afc96c86757ba774fde9555612d066c24b5678ee955cfa85bc960cb1559a9d789d29f0e54a9b9d9f484e4f11b536d9d1ff3693be512f6ed28e3
- SSDEEP 192:KiPk10se9eae3e3eae8ehezlTSBPxSqTu3SDzS1sl:K51g8PxlKCDmml
- MD5 SHA1 SHA512 SSDEEP