Analysis
- max time kernel
148s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
27/06/2022, 16:17
General
- Target d3f4725b122fb0518b8c1832ba4609eb.exe
- Size 400KB
- Sample220627-trclhsebb2
- SHA256 81398fcf0e9612b507cbdf18df673c828d8e08bd8a6abbfcf00261fe84e0bb8d
Malware Config
Extracted
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formbook
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4.1
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s3s3
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tvielotus.com
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teesta.xyz
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talentrecruitor.com
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pamaungipb.com
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xn--90ahkh6a6b8b.site
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910carolina.com
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toyotaecoyouth-dev.com
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invetnables.com
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gdexc.com
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ssw168.com
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householdmould.com
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mqttradar.xyz
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t333c.com
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thepausestudio.com
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evershedsutherlands.com
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asbdataplus.com
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preddylilthingz.com
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jepwu.com
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tvlido.com
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artovus.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
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 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\d3f4725b122fb0518b8c1832ba4609eb.exe"C:\Users\Admin\AppData\Local\Temp\d3f4725b122fb0518b8c1832ba4609eb.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\cvtres.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1964-130-0x0000000000740000-0x00000000007A6000-memory.dmp
memory/2156-136-0x0000000002680000-0x0000000002756000-memory.dmp
memory/2156-146-0x00000000029E0000-0x0000000002AD8000-memory.dmp
memory/2156-144-0x00000000029E0000-0x0000000002AD8000-memory.dmp
memory/3612-135-0x0000000001AF0000-0x0000000001B04000-memory.dmp
memory/3612-138-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3612-134-0x0000000001780000-0x0000000001ACA000-memory.dmp
memory/3612-132-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4392-141-0x00000000008F0000-0x000000000091F000-memory.dmp
memory/4392-140-0x00000000004F0000-0x00000000004FB000-memory.dmp
memory/4392-142-0x0000000000FB0000-0x00000000012FA000-memory.dmp
memory/4392-143-0x0000000000E50000-0x0000000000EE3000-memory.dmp
memory/4392-145-0x00000000008F0000-0x000000000091F000-memory.dmp