Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/11/2022, 08:41
General
- Target SecuriteInfo.com.Win64.CrypterX-gen.24702.10249.exe
- Size 535KB
- Sample221117-klfasaaa6w
- SHA256 a43a510468f0f694f75cee68d55c019f5de3f72b3627e3e3b8718d8afb2281bb
Malware Config
Extracted
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formbook
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fyie
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GoIkyv9zPus=
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rqumdFS+fSOmVg==
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gba7aV6XnxRo41Q/Eg==
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2hReVCliKhafVA==
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GmHOuDVINTcDOoCzurGWZ5H0egg=
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NBwV/fonsPNvJpKTcx7WUPtn
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Mm2rZ7l4xtciFEU2EA==
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vILBOCW253mdiIw=
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f6/28L8o2n7E
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kNpQPcr8ybwp41Q/Eg==
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GQd5OZGzs3mdiIw=
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jYB+UEGLL0vDNVuDjpKSNP5t
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gL3xvFnQbXjT
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/ChjSgMVqbonAkbjowF3Xg==
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PlDDiOUUFTOeOJhRzNa/aSxTKAc=
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d2hiPkpzPdRTDXmVowF3Xg==
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o7pIHYqZSnL2XlWwPtIPEQE=
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xkvaWPyeKhafVA==
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R0p2bVV18vFZQw==
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t9zBop2vaRoaDDn3d0h3Ww==
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Suspicious use of SetThreadContext 3 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.CrypterX-gen.24702.10249.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.CrypterX-gen.24702.10249.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.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
memory/2244-149-0x0000000000840000-0x000000000086D000-memory.dmp
memory/2244-148-0x0000000002750000-0x00000000027DF000-memory.dmp
memory/2244-145-0x0000000000830000-0x0000000000836000-memory.dmp
memory/2244-147-0x0000000000840000-0x000000000086D000-memory.dmp
memory/2244-146-0x00000000028C0000-0x0000000002C0A000-memory.dmp
memory/2640-143-0x0000000003480000-0x000000000355C000-memory.dmp
memory/2640-151-0x0000000008680000-0x00000000087A5000-memory.dmp
memory/2640-150-0x0000000008680000-0x00000000087A5000-memory.dmp
memory/4144-141-0x0000000001340000-0x000000000168A000-memory.dmp
memory/4144-142-0x0000000000E00000-0x0000000000E10000-memory.dmp
memory/4144-140-0x0000000000401000-0x000000000042F000-memory.dmp
memory/4144-139-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4144-138-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4144-134-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4804-132-0x000001F326D20000-0x000001F326DAA000-memory.dmp
memory/4804-136-0x00007FFAE3A50000-0x00007FFAE4511000-memory.dmp
memory/4804-133-0x00007FFAE3A50000-0x00007FFAE4511000-memory.dmp