Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
27/06/2022, 18:07
General
- Target Sjyssaskr6577543.exe
- Size 589KB
- Sample220627-wqarmseec8
- SHA256 35edcaa0f180ef140f70ee241a648c6335cf3055dcf2d6074d5ef7966b55925d
Malware Config
Extracted
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formbook
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4.1
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sn31
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matsuomatsuo.com
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104wn.com
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bolacorner.com
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dawonderer.com
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yourpamlano.xyz
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mtzmx.icu
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lepakzaparket.com
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barmagli.com
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danta.ltd
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marumaru240.com
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people-centeredhr.com
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test-brew-inc.com
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clairvoyantbusinesscoach.com
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aforeignexchangeblog.com
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erentekbilisim.com
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gangqinqu123.net
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defiguaranteebonds.com
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thegioigaubong97.site
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vaoiwin.info
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vcwholeness.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 4 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Sjyssaskr6577543.exe"C:\Users\Admin\AppData\Local\Temp\Sjyssaskr6577543.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/2416-141-0x0000000008570000-0x000000000870E000-memory.dmp
memory/2416-151-0x0000000003780000-0x00000000038A8000-memory.dmp
memory/2416-149-0x0000000003780000-0x00000000038A8000-memory.dmp
memory/2416-147-0x0000000008570000-0x000000000870E000-memory.dmp
memory/4420-146-0x0000000001A00000-0x0000000001D4A000-memory.dmp
memory/4420-148-0x00000000018D0000-0x0000000001963000-memory.dmp
memory/4420-150-0x0000000000DC0000-0x0000000000DEF000-memory.dmp
memory/4420-143-0x00000000007C0000-0x00000000007CE000-memory.dmp
memory/4420-144-0x0000000000DC0000-0x0000000000DEF000-memory.dmp
memory/4500-140-0x0000000000FB0000-0x0000000000FC4000-memory.dmp
memory/4500-139-0x0000000001430000-0x000000000177A000-memory.dmp
memory/4500-138-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4500-136-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4888-130-0x00000000002A0000-0x000000000033A000-memory.dmp
memory/4888-133-0x0000000004D30000-0x0000000004D3A000-memory.dmp
memory/4888-132-0x0000000004B80000-0x0000000004C12000-memory.dmp
memory/4888-131-0x00000000051E0000-0x0000000005784000-memory.dmp