Analysis
- max time kernel
152s - max time network
154s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
09/02/2022, 14:59
General
- Target siparis.exe
- Size 262KB
- Sample220209-scqddsaff5
- SHA256 87cca4e4ba65094241bbb379ca3677932f6e399ece811334a07a72ff5b3073f8
Malware Config
Extracted
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formbook
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4.1
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d23n
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keralalotteryresults.com
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cosnerreview.com
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tilcompanies.com
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tokomakmurjaya.xyz
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twmarketz.com
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spytfyre.com
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eyerafitnessapp.com
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faswebs.com
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hotcinfin.com
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modifidecars.com
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xn--rhqwesct95oo2g0ro.com
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fruitfulgreenhousefacility.com
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pomidor.biz
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volondamasterclass.com
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latexbbs.com
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kkh222.com
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ratted.xyz
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littlejohnsinc.com
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vacationdealscorp.website
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bitcoinbil3arabi.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\siparis.exe"C:\Users\Admin\AppData\Local\Temp\siparis.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wgvkh.exeC:\Users\Admin\AppData\Local\Temp\wgvkh.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wgvkh.exeC:\Users\Admin\AppData\Local\Temp\wgvkh.exe4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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:\Users\Admin\AppData\Local\Temp\wgvkh.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/648-62-0x00000000001C0000-0x00000000001C2000-memory.dmp
memory/1104-69-0x00000000008F0000-0x0000000000BF3000-memory.dmp
memory/1104-68-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1104-65-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1104-70-0x000000000041F000-0x0000000000420000-memory.dmp
memory/1104-71-0x0000000000350000-0x0000000000364000-memory.dmp
memory/1268-72-0x00000000069A0000-0x0000000006AA8000-memory.dmp
memory/1268-77-0x0000000006F10000-0x0000000007052000-memory.dmp
memory/1612-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
memory/1728-73-0x0000000000500000-0x0000000000507000-memory.dmp
memory/1728-74-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1728-75-0x0000000002010000-0x0000000002313000-memory.dmp
memory/1728-76-0x0000000000550000-0x00000000005E3000-memory.dmp