Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/02/2023, 12:35
General
- Target ssk.pdf.exe
- Size 263KB
- Sample230222-psb9xsbd34
- SHA256 94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16
Malware Config
Extracted
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formbook
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4.1
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me29
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borne-selfie-valence.com
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erccore.com
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fontebono.com
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58619.se
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smartmetersystems.co.uk
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defrag.team
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az-architecture.com
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healingthehoard.com
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eqde.ru
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kingsedubd.com
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hoibeebu.net
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findbesthomesolution.com
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dinkdfw.com
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alfa-outlet.com
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claritybiometrics.video
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lewshopok.cfd
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crofton77.online
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assetzstat.info
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indianhillsequine.com
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vetsclosetomylocation.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 5 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.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 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\ssk.pdf.exe"C:\Users\Admin\AppData\Local\Temp\ssk.pdf.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ieqife.exe"C:\Users\Admin\AppData\Local\Temp\ieqife.exe" C:\Users\Admin\AppData\Local\Temp\xtsqkg.oqr3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ieqife.exe"C:\Users\Admin\AppData\Local\Temp\ieqife.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.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:\Users\Admin\AppData\Local\Temp\ieqife.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
ieqife.exe
ieqife.exe
ieqife.exe
wzjhvhmzlnt.l
xtsqkg.oqr
memory/352-156-0x0000000000C20000-0x0000000000F6A000-memory.dmp
memory/352-159-0x0000000000A60000-0x0000000000AF3000-memory.dmp
memory/352-157-0x0000000000450000-0x000000000047F000-memory.dmp
memory/352-155-0x0000000000450000-0x000000000047F000-memory.dmp
memory/352-154-0x0000000000140000-0x000000000014B000-memory.dmp
memory/352-153-0x0000000000140000-0x000000000014B000-memory.dmp
memory/3080-150-0x0000000008DD0000-0x0000000008F64000-memory.dmp
memory/3080-147-0x0000000008A60000-0x0000000008C0F000-memory.dmp
memory/3080-160-0x0000000008C10000-0x0000000008CAE000-memory.dmp
memory/3080-161-0x0000000008C10000-0x0000000008CAE000-memory.dmp
memory/3080-163-0x0000000008C10000-0x0000000008CAE000-memory.dmp
memory/4428-151-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4428-149-0x0000000000A50000-0x0000000000A64000-memory.dmp
memory/4428-148-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4428-141-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4428-146-0x00000000009C0000-0x00000000009D4000-memory.dmp
memory/4428-145-0x0000000000B30000-0x0000000000E7A000-memory.dmp