Analysis
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max time kernel
143s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
27/02/2025, 19:34
General
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Target
quarantine/systemPTI.exe
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Size
1.7MB
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MD5
e0b3978f8a8384553ce1c2947fb937bb
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SHA1
94098545356accfa3c76e04bcb288599b3bb9079
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SHA256
7579644e6717d8dbc7787a7d799104398cb26725ddfdae51745ea341985b49cd
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SHA512
5ca37050381b9df8a3ef6e976758b15712e28aaa08c364102b707da8839ae945716539b89d89b0b98b9fa94d6696da8059f7ea9ff8e976d9f431446f661b5b4f
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SSDEEP
49152:eudvbUx0bkZq9s3eYwmPTPNmYzA66EWK0V:VYAkcC3XwmPTPjA+WjV
Malware Config
Extracted
systembc
towerbingobongoboom.com
93.186.202.3
Signatures
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SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
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Systembc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE 1 IoCs
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Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Drops file in Windows directory 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\quarantine\systemPTI.exe"C:\Users\Admin\AppData\Local\Temp\quarantine\systemPTI.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\taskeng.exetaskeng.exe {3FC3D001-0E76-4159-A1BF-7EEB507A0B9F} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\tjfsuxn\pgwkb.exeC:\ProgramData\tjfsuxn\pgwkb.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD5e0b3978f8a8384553ce1c2947fb937bb
SHA194098545356accfa3c76e04bcb288599b3bb9079
SHA2567579644e6717d8dbc7787a7d799104398cb26725ddfdae51745ea341985b49cd
SHA5125ca37050381b9df8a3ef6e976758b15712e28aaa08c364102b707da8839ae945716539b89d89b0b98b9fa94d6696da8059f7ea9ff8e976d9f431446f661b5b4f
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Filesize
220B
MD5a39515849bc45f8ceaaadc3510e006e0
SHA1144f671921c3792295832d390422e580788a001f
SHA2562858582929ec3ffe1ab828ffa3bbf720371b01af54ccfeec87cd6878643a8b1e
SHA5120228916e7e05c9da464b4c047ee4c06f7040861bbde067b976a340e7c7fd593692eda6e6c0a9a8433e18e348dd7411a0462c60d74829f874eca36cad078023b1
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
8KB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
8KB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB
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Filesize
4.3MB