Analysis
- max time kernel
149s - max time network
140s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
04/10/2023, 06:05
General
- Target Payment Advise 4_10_23 pdf.exe
- Size 305KB
- Sample231004-gs7f3ahe21
- SHA256 795998e9064cb981d6a40a34fbeee48381121ea7ac7175ffe5b506b11cf843d7
Malware Config
Extracted
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formbook
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4.1
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sn26
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resenha10.bet
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gulshan-rajput.com
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xbus.tech
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z813my.cfd
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wlxzjlny.cfd
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auntengotiempo.com
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canada-reservation.com
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thegiftcompany.shop
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esthersilveirapropiedades.com
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1wapws.top
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ymjblnvo.cfd
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termokimik.net
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kushiro-artist-school.com
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bmmboo.com
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caceresconstructionservices.com
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kentuckywalkabout.com
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bringyourcart.com
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miamiwinetour.com
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bobcatsocial.site
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thirdmind.network
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 17 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\Payment Advise 4_10_23 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advise 4_10_23 pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\xumpp.exe"C:\Users\Admin\AppData\Local\Temp\xumpp.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\xumpp.exe"C:\Users\Admin\AppData\Local\Temp\xumpp.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\cmmon32.exe"C:\Windows\SysWOW64\cmmon32.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:\Users\Admin\AppData\Local\Temp\xumpp.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rtpcingrrq.zv
xumpp.exe
xumpp.exe
xumpp.exe
xumpp.exe
xumpp.exe
memory/1244-18-0x0000000006370000-0x0000000006449000-memory.dmp
memory/1244-30-0x0000000004AB0000-0x0000000004B50000-memory.dmp
memory/1244-28-0x0000000004AB0000-0x0000000004B50000-memory.dmp
memory/1244-27-0x0000000004AB0000-0x0000000004B50000-memory.dmp
memory/1244-16-0x0000000003BB0000-0x0000000003DB0000-memory.dmp
memory/1244-24-0x0000000006370000-0x0000000006449000-memory.dmp
memory/1304-17-0x00000000001B0000-0x00000000001C5000-memory.dmp
memory/1304-15-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-13-0x0000000000860000-0x0000000000B63000-memory.dmp
memory/1304-10-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2680-19-0x00000000009F0000-0x00000000009FD000-memory.dmp
memory/2680-20-0x00000000009F0000-0x00000000009FD000-memory.dmp
memory/2680-21-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2680-22-0x0000000001F90000-0x0000000002293000-memory.dmp
memory/2680-23-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2680-26-0x0000000000900000-0x0000000000994000-memory.dmp
memory/3024-6-0x0000000000100000-0x0000000000102000-memory.dmp