Analysis
- max time kernel
147s - max time network
117s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
24/09/2021, 13:37
General
- Target proforma invoice_pdf_____________________________.exe
- Size 1.0MB
- Sample210924-qwt5kshbc9
- SHA256 137bbdb0a6a00a9167dff5cb670ec17aab82ae50392e12b1cdb6a08110d75285
Malware Config
Extracted
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formbook
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4.1
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ajki
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http://www.midwestamericanwoman.com/ajki/
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elborivegano.com
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jacksbookbuddies.com
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gentciu.com
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lovetattoonorteguadalix.com
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dahlkar.com
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hjobjiihna.club
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narccar.com
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noexcuseadventure.com
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mortongroverealestateinfo.com
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pursuegoodtimes.com
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becomearepresentativetoday.com
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20bagger.com
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lowestprices.space
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qzgay.com
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thegoenkapost.com
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glassdooronline.com
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quantizesoftware.com
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bayleighmphotography.com
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hzmm97.com
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theexoticbox.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 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\proforma invoice_pdf_____________________________.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice_pdf_____________________________.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\proforma invoice_pdf_____________________________.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice_pdf_____________________________.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.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\proforma invoice_pdf_____________________________.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/968-60-0x0000000000400000-0x000000000042E000-memory.dmp
memory/968-63-0x0000000000290000-0x00000000002A4000-memory.dmp
memory/968-62-0x0000000000980000-0x0000000000C83000-memory.dmp
memory/1424-59-0x00000000040B0000-0x00000000040E7000-memory.dmp
memory/1424-54-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/1424-58-0x0000000005200000-0x0000000005267000-memory.dmp
memory/1424-57-0x0000000001DD0000-0x0000000001DD7000-memory.dmp
memory/1424-56-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/1428-64-0x0000000006FA0000-0x0000000007103000-memory.dmp
memory/1428-71-0x0000000007BE0000-0x0000000007D2D000-memory.dmp
memory/1896-67-0x00000000013A0000-0x00000000013BB000-memory.dmp
memory/1896-68-0x00000000001C0000-0x00000000001EE000-memory.dmp
memory/1896-69-0x0000000000B80000-0x0000000000E83000-memory.dmp
memory/1896-70-0x0000000000420000-0x00000000004B3000-memory.dmp