Analysis
- max time kernel
146s - max time network
145s - platform
windows7_x64 - resource
win7-20220414-en - submitted
04/05/2022, 14:58
General
- Target 5df93ab049f7e6b8221ba6ec6187898b.exe
- Size 17KB
- Sample220504-sb6c8aghan
- SHA256 7af1842cdbd37f5e68d3d90350fdafe36d78cb62dee2fbcb2a4a4a9184b8d95c
Malware Config
Extracted
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formbook
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4.1
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s4s9
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qianyuandianshang.com
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bernardklein.com
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slhomeservices.com
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findasaas.com
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janellelancaster.xyz
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umkpro.site
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nr6949.online
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mersquare.club
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lanariproperties.com
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3rdeyefocused.com
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giftexpress8260.xyz
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hilleleven.xyz
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beajod.com
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kosazs.online
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ishare.team
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mb314.com
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xjjinxingda.com
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ayekooprojectamazing.com
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ballsybanter.com
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todayshoppingbd.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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5df93ab049f7e6b8221ba6ec6187898b.exe"C:\Users\Admin\AppData\Local\Temp\5df93ab049f7e6b8221ba6ec6187898b.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 23⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.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\MSBuild.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/948-54-0x0000000000C70000-0x0000000000C7A000-memory.dmp
memory/948-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
memory/948-56-0x0000000007DD0000-0x0000000007F14000-memory.dmp
memory/948-59-0x0000000005170000-0x00000000051BC000-memory.dmp
memory/1124-66-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1124-60-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1124-61-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1124-67-0x0000000000AC0000-0x0000000000DC3000-memory.dmp
memory/1124-68-0x0000000000140000-0x0000000000154000-memory.dmp
memory/1124-63-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1256-69-0x0000000006600000-0x000000000670C000-memory.dmp
memory/1256-76-0x0000000006B10000-0x0000000006C3F000-memory.dmp
memory/1472-72-0x00000000000D0000-0x00000000000FF000-memory.dmp
memory/1472-71-0x0000000000480000-0x0000000000485000-memory.dmp
memory/1472-74-0x0000000001E60000-0x0000000002163000-memory.dmp
memory/1472-75-0x0000000001D70000-0x0000000001E03000-memory.dmp