Analysis
- max time kernel
147s - max time network
145s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
15/08/2023, 06:23
General
- Target Dekont.exe
- Size 274KB
- Sample230815-g5gfeahb58
- SHA256 7b58d27c182cc3c04d6d5b2c1901f0e8dd8caf1bbe51c8b17f40b8dac185b712
Malware Config
Extracted
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formbook
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4.1
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k13s
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runbe.fun
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factrip.com
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zalenterprises.net
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yoyufoods.com
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soniakmahajan.com
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jdfdht.site
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provenimpact.net
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hotelsmadridairport.com
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avondalemclarenparts.com
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champagnepelissot.com
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dqnshtvn.click
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barbarahensonrealestate.com
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jrys117.top
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amb168g.pro
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zionsystem.live
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highcaliberhusbands.com
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dsc-marketing.com
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outlemax.com
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legalloanmaster.com
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sky71.link
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 5 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Users\Admin\AppData\Local\Temp\Dekont.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Dekont.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.exe"3⤵
- 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\wininit.exe"C:\Windows\SysWOW64\wininit.exe"4⤵
- 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\Dekont.exe"5⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
xbcjidpo.dll
xbcjidpo.dll
memory/1208-71-0x0000000004E30000-0x0000000004F03000-memory.dmp
memory/1208-86-0x0000000006A30000-0x0000000006B75000-memory.dmp
memory/1208-85-0x0000000006A30000-0x0000000006B75000-memory.dmp
memory/1208-65-0x0000000003990000-0x0000000003A90000-memory.dmp
memory/1208-83-0x0000000006A30000-0x0000000006B75000-memory.dmp
memory/1208-80-0x0000000004E30000-0x0000000004F03000-memory.dmp
memory/1208-67-0x0000000004C80000-0x0000000004D62000-memory.dmp
memory/1208-72-0x0000000004C80000-0x0000000004D62000-memory.dmp
memory/2588-60-0x00000000007E0000-0x00000000007E2000-memory.dmp
memory/2856-78-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2856-75-0x00000000009C0000-0x00000000009DA000-memory.dmp
memory/2856-76-0x00000000009C0000-0x00000000009DA000-memory.dmp
memory/2856-79-0x0000000001F70000-0x0000000002273000-memory.dmp
memory/2856-81-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2856-82-0x0000000001DE0000-0x0000000001E73000-memory.dmp
memory/2904-70-0x00000000003A0000-0x00000000003B4000-memory.dmp
memory/2904-69-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2904-64-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2904-66-0x0000000000340000-0x0000000000354000-memory.dmp
memory/2904-62-0x00000000008B0000-0x0000000000BB3000-memory.dmp
memory/2904-61-0x0000000000400000-0x000000000042F000-memory.dmp