Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
03/03/2022, 06:32
General
- Target IRQ2107799_pdf.exe
- Size 462KB
- Sample220303-hamvdaheb8
- SHA256 75a17cb26bd616c7d7b48b0b3add3033b6cd8656d8d20a0618734a3850072632
Malware Config
Extracted
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formbook
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4.1
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s1m4
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fritzimmo.com
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seerefugee.com
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f2ymj6ud.xyz
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benchessell.com
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annplumb.com
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malpha.online
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thebengalsking.com
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ulctuscaloosa.church
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fotosenrutas.com
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lavishyummyinvite.quest
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indielanguagelearner.net
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tibbattipula.com
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sugarbabycones.com
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dxwzh.com
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brownsfinancialllc.com
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63838.xyz
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esscentsbyjhai.com
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therunningdoula.com
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63693.xyz
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ccchildrenscoalition.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 58 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
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C:\Users\Admin\AppData\Local\Temp\IRQ2107799_pdf.exe"C:\Users\Admin\AppData\Local\Temp\IRQ2107799_pdf.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jukvbailt.exeC:\Users\Admin\AppData\Local\Temp\jukvbailt.exe C:\Users\Admin\AppData\Local\Temp\gzkxfn3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jukvbailt.exeC:\Users\Admin\AppData\Local\Temp\jukvbailt.exe C:\Users\Admin\AppData\Local\Temp\gzkxfn4⤵
- Executes dropped EXE
- 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\netsh.exe"C:\Windows\SysWOW64\netsh.exe"5⤵
- 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:\Users\Admin\AppData\Local\Temp\jukvbailt.exe"6⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/676-152-0x0000000008D60000-0x0000000008EA1000-memory.dmp
memory/676-147-0x0000000008B10000-0x0000000008C6F000-memory.dmp
memory/676-143-0x0000000007EB0000-0x0000000008044000-memory.dmp
memory/3924-142-0x0000000001190000-0x00000000011A4000-memory.dmp
memory/3924-141-0x000000000041F000-0x0000000000420000-memory.dmp
memory/3924-144-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3924-145-0x000000000041F000-0x0000000000420000-memory.dmp
memory/3924-146-0x0000000003000000-0x0000000003014000-memory.dmp
memory/3924-139-0x00000000011E0000-0x000000000152A000-memory.dmp
memory/3924-137-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4436-148-0x0000000001370000-0x000000000138E000-memory.dmp
memory/4436-149-0x0000000000630000-0x000000000065F000-memory.dmp
memory/4436-150-0x0000000000FE0000-0x000000000132A000-memory.dmp
memory/4436-151-0x0000000000D20000-0x0000000000DB3000-memory.dmp