Analysis
- max time kernel
152s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
07/11/2022, 15:58
General
- Target HSBC Payment Advice.exe
- Size 1.2MB
- Sample221107-tegppshaam
- SHA256 e6d6f7cf5ab4892455617b818579f8123d6f32eb13adb93c4feca7c6caa352ff
Malware Config
Extracted
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formbook
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phy3
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Tvj0O75mlxE365S6gD6AG12Sxg==
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wGIiVFyRiJ6S
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F3YzekQVFUh2JYoRHAHdgrM=
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g5TOA8yvh32nE9isZA==
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bicunGFTpt9H+ZvC
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U1Cf+cXTraPJ/suPvIGIbKo=
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FkPeWTIX8j5hTzN+iCQ=
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m2RFDgVOQLIFMg==
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KgZfyJyEEUFqnKrOk5zdOA==
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LeQYgP6chajMc+n8c0b96g6ZBhNo
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/HUsLzwu3wotQjN+iCQ=
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t/NivVTj8NEFLw==
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SJMKaz8owPkVMw==
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sQJcOF3pvm6S
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Uwg6mnxjNzBekG4Yk5zdOA==
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DL7ZTfGyFUmbkj4=
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9oYt+QRTQLIFMg==
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Y5cbS8iTPKL4LA==
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E1gJevOmlMG5ofYOlf1A
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fnS5/l0NeytjTjN+iCQ=
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 24 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice.exe"2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice.exe"3⤵
- Checks QEMU agent file
- Checks computer location settings
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
System.dll
memory/760-162-0x0000000002A10000-0x0000000002AE0000-memory.dmp
memory/760-161-0x0000000002A10000-0x0000000002AE0000-memory.dmp
memory/760-149-0x0000000007E40000-0x0000000007FE1000-memory.dmp
memory/1220-146-0x0000000000401000-0x0000000001654000-memory.dmp
memory/1220-155-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1220-138-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1220-140-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1220-141-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1220-142-0x00007FFD60350000-0x00007FFD60545000-memory.dmp
memory/1220-143-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/1220-144-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1220-145-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1220-154-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/1220-147-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1220-148-0x000000001D810000-0x000000001DB5A000-memory.dmp
memory/1220-153-0x00007FFD60350000-0x00007FFD60545000-memory.dmp
memory/1220-151-0x000000001D690000-0x000000001D6A0000-memory.dmp
memory/1516-150-0x0000000004F00000-0x0000000005001000-memory.dmp
memory/1516-135-0x00007FFD60350000-0x00007FFD60545000-memory.dmp
memory/1516-136-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/1516-139-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/1516-134-0x0000000004F00000-0x0000000005001000-memory.dmp
memory/1516-133-0x0000000004F00000-0x0000000005001000-memory.dmp
memory/1824-156-0x0000000000910000-0x000000000092E000-memory.dmp
memory/1824-157-0x0000000000420000-0x000000000044D000-memory.dmp
memory/1824-158-0x0000000000E80000-0x00000000011CA000-memory.dmp
memory/1824-159-0x0000000000A30000-0x0000000000ABF000-memory.dmp
memory/1824-160-0x0000000000420000-0x000000000044D000-memory.dmp