Analysis
- max time kernel
148s - max time network
139s - platform
windows7_x64 - resource
win7 - submitted
05/10/2020, 11:46
Static task
static1
Behavioral task
behavioral1
Sample
Vyvfiah_Signed_.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Vyvfiah_Signed_.exe
Resource
win10v200722
windows10_x64
0 signatures
0 seconds
General
- Target Vyvfiah_Signed_.exe
- Size 960KB
- Sample201005-wm2ppfzaze
- SHA256 4b183077cbfa209aab597f0cfe66178add15a0d590ba3abdf170ae708617bfef
- MD5 d441c317c91b2d02fd7118d9395391de
- SHA1 81802cdc26cd23f07c87369bceeef346fc6764d5
- SHA512 f07b53080edc6194067fbf5ffe9d4f8ed41609677c795ef1d3ecd04e1904b31d722d331ba037f29b5b79c1655aa41730474157c3050da496ffb3df98a831887b
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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formbook
C2
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http://www.mansiobok3.info/m3px/
Decoy
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storehemp.review
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trackingyee.com
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location-climatiseur-france.com
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objectivecitizen.com
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prestigepropertiesintlllc.net
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michellemillerart.com
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sortfinances.com
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szcmjxsb.com
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lookingblackward.info
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mairsure-data.com
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womanlybuzz.com
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wecanmovies.com
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melaniewhitmarsh.com
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eyebrightbeer.com
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iehdm.com
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0h7fiveother.loan
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floordynasty.com
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metodoabruzzo.com
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rannveigsvendby.com
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all-things-trail.com
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portsmouthlionsnh.com
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lsss777.com
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headhonchookc.com
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vipforex.biz
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offertruck11.com
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konisdesign.com
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wpexcellent.com
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snowboards.international
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wycomm.com
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cityafrica.com
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ptcworld.info
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transformationzoneblog.com
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amxpj0005.com
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tmoec.info
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melbourneculture.tours
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ironridgesporthorses.com
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xhtd219.com
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orancitysoft.com
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masterrecovery.net
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crenegant.com
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www346234.com
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thedraftmedic.com
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jy0411.net
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chetiezhi.com
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sarvicenow.com
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945uaf.info
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cache.ltd
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gaziantepulucanlarasm.com
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jewelryheroes.com
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okabeiot.com
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tinyheroes3d.com
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kikkisuit.com
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immobilien-grevenbroich.com
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rhino-repair.com
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puppypullover.com
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sarap-ala-eh.com
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goddessluna.com
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yattatokyo.com
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bricres.com
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jianghundk.com
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premiumleben.com
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madamefiepatisserie.com
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physiofitjulie.com
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heldsysexch.com
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Formbook Payload 3 IoCs
resource yara_rule behavioral1/memory/1516-2-0x0000000010410000-0x000000001043D000-memory.dmp formbook behavioral1/memory/1052-4-0x0000000000000000-mapping.dmp formbook behavioral1/memory/432-5-0x0000000000000000-mapping.dmp formbook - ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/1516-1-0x0000000004470000-0x00000000044D0000-memory.dmp modiloader_stage2 - Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run cscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\9REXANEHI = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe" cscript.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run cscript.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1052 set thread context of 1212 1052 ieinstal.exe 20 PID 432 set thread context of 1212 432 cscript.exe 20 -
description ioc Process Key created \Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 cscript.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 Vyvfiah_Signed_.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 Vyvfiah_Signed_.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 Vyvfiah_Signed_.exe - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1052 ieinstal.exe 1052 ieinstal.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe - Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 1052 ieinstal.exe 1052 ieinstal.exe 1052 ieinstal.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe 432 cscript.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1052 ieinstal.exe Token: SeDebugPrivilege 432 cscript.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1212 Explorer.EXE 1212 Explorer.EXE 1212 Explorer.EXE 1212 Explorer.EXE - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1212 Explorer.EXE 1212 Explorer.EXE 1212 Explorer.EXE 1212 Explorer.EXE - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1516 wrote to memory of 1052 1516 Vyvfiah_Signed_.exe 30 PID 1212 wrote to memory of 432 1212 Explorer.EXE 31 PID 1212 wrote to memory of 432 1212 Explorer.EXE 31 PID 1212 wrote to memory of 432 1212 Explorer.EXE 31 PID 1212 wrote to memory of 432 1212 Explorer.EXE 31 PID 432 wrote to memory of 732 432 cscript.exe 32 PID 432 wrote to memory of 732 432 cscript.exe 32 PID 432 wrote to memory of 732 432 cscript.exe 32 PID 432 wrote to memory of 732 432 cscript.exe 32 PID 432 wrote to memory of 732 432 cscript.exe 32
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\Vyvfiah_Signed_.exe"C:\Users\Admin\AppData\Local\Temp\Vyvfiah_Signed_.exe"2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1052
-
-
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C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.exe"2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:732
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