Analysis
- max time kernel
149s - max time network
46s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
31/10/2022, 14:09
General
- Target Quotation_pdf.exe
- Size 1.0MB
- Sample221031-rf4vhsbbb9
- SHA256 4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd
Malware Config
Extracted
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formbook
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wzic
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EF24Z5/12y4m4hI5
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jLoHu8E+DnrM
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yvj+8ztHCvfS2BuHVDg=
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HXrRqNvfzbEriN/oHi8=
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l+I+8fv4zC1Lwsflu7ke2K64cA==
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P4z2vOX7mEaTTZ3LnhYy7GEuUP4=
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Sm7yu+o0CidvaoQ=
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34Dms9fTqBNa+VsBEkQmO3Y9s71dfpeK
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uq6SgrrKtBxGPjXeCH8UuWg=
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63I7jdIk/WyQgrMTMW1WWGA=
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JV3VPdD3zS4m4hI5
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PyUI6BwkBCdvaoQ=
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OMwQJXOHZ1SmJaydwA==
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S5LpruTt0MAm4hI5
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qKzzNk5nQy6cJaydwA==
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nAQ1yNNZyCdvaoQ=
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+cw3bXyIVDeWWZqLdyi6zQ==
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QecZjiC4YkOtWw==
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akobDyI93xB9Rg==
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FOM+cbML6Np47v5pKB4w92EuUP4=
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wuapp.exe"C:\Windows\SysWOW64\wuapp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1220-82-0x0000000009880000-0x00000000099DF000-memory.dmp
memory/1220-80-0x0000000009880000-0x00000000099DF000-memory.dmp
memory/1220-73-0x0000000004CF0000-0x0000000004E6C000-memory.dmp
memory/1304-68-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-71-0x0000000000401000-0x000000000042F000-memory.dmp
memory/1304-72-0x0000000000260000-0x0000000000270000-memory.dmp
memory/1304-70-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-61-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-62-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-64-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1304-69-0x0000000000980000-0x0000000000C83000-memory.dmp
memory/1512-79-0x0000000001DE0000-0x0000000001E6F000-memory.dmp
memory/1512-81-0x0000000000090000-0x00000000000BD000-memory.dmp
memory/1512-77-0x0000000001F10000-0x0000000002213000-memory.dmp
memory/1512-75-0x0000000000150000-0x000000000015B000-memory.dmp
memory/1512-76-0x0000000000090000-0x00000000000BD000-memory.dmp
memory/1644-54-0x0000000000860000-0x0000000000972000-memory.dmp
memory/1644-57-0x0000000000980000-0x000000000098C000-memory.dmp
memory/1644-58-0x0000000005180000-0x00000000051F0000-memory.dmp
memory/1644-59-0x0000000004D25000-0x0000000004D36000-memory.dmp
memory/1644-67-0x0000000004D25000-0x0000000004D36000-memory.dmp
memory/1644-56-0x0000000000620000-0x000000000063A000-memory.dmp
memory/1644-60-0x00000000023D0000-0x0000000002406000-memory.dmp
memory/1644-55-0x0000000075A11000-0x0000000075A13000-memory.dmp