Analysis
- max time kernel
140s - max time network
105s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
09/05/2024, 19:02
General
- Target PO181219.exe
- Size 466KB
- Sample240509-xpzvtada78
- SHA256 4cf3f2e4957d449f51f1a5dd6b20765aa7a1fe89231f1ea3748cd0c0e90d74c4
Malware Config
Extracted
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formbook
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3.9
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h332
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mericashoppe.com
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campbneiakiva.com
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retronix.info
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capellisnyc.com
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lapcameratot.com
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otheroffice.win
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biofrez.com
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servo-electric.com
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hfhkjd.com
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chemungccecornell.com
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leanneetsaparure.com
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collaboraveit.com
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thecarewear.info
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truymanhaaseinsurance.com
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krishnagruhudhyog.com
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maxwellbeing.store
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cgevent35.com
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easyclick.directory
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andseniorhomesok.live
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dagashiya-bitcoin.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO181219.exe"C:\Users\Admin\AppData\Local\Temp\PO181219.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\PO181219.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"4⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 1845⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4696 -ip 46961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
thxx.exe
memory/2244-6-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/2244-1-0x0000000000710000-0x000000000078E000-memory.dmp
memory/2244-3-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/2244-4-0x0000000005170000-0x00000000051AA000-memory.dmp
memory/2244-5-0x0000000005130000-0x000000000514C000-memory.dmp
memory/2244-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp
memory/2244-10-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/2244-2-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/4424-14-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/4424-15-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/4424-16-0x00000000087C0000-0x000000000885C000-memory.dmp
memory/4424-17-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/4424-22-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/4696-19-0x0000000000810000-0x000000000083A000-memory.dmp