Analysis
- max time kernel
150s - max time network
17s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:56
General
- Target 05- 06-20INQ.exe
- Size 438KB
- Sample201109-ebl7clvmqa
- SHA256 ca1a1e6067f0780b53d1863908555e55ad98c42d8af34d00be76f656d2d9a2fe
Malware Config
Extracted
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formbook
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http://www.sudelt.com/rk3/
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cedarridgerussellterriers.com
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zamperl-couture.com
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8minutesprofitlink.com
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yuyinyue.net
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castleminerforum.com
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habbodm.biz
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tektlc.life
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strive2thriveglobal.com
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richen8.com
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ettlingen.digital
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clairegoals.com
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clearptsd.biz
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wxqingtai.com
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matttoken.com
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macopride.com
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hudong.ltd
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wirelessantalya.com
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connectlibrary.com
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ourtime.site
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vitalitymax.life
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\05- 06-20INQ.exe"C:\Users\Admin\AppData\Local\Temp\05- 06-20INQ.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"3⤵
- 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\AddInProcess32.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/736-8-0x0000000000400000-0x000000000042D000-memory.dmp
memory/848-12-0x00000000008D0000-0x00000000008D7000-memory.dmp
memory/848-15-0x0000000001EE0000-0x0000000001F8F000-memory.dmp
memory/1876-4-0x00000000003A0000-0x00000000003A2000-memory.dmp
memory/1876-5-0x00000000003C0000-0x00000000003C2000-memory.dmp
memory/1876-6-0x0000000000410000-0x0000000000412000-memory.dmp
memory/1876-0-0x00000000749E0000-0x00000000750CE000-memory.dmp
memory/1876-3-0x00000000002E0000-0x00000000002EE000-memory.dmp
memory/1876-1-0x0000000001140000-0x0000000001141000-memory.dmp