Analysis
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max time kernel
148s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
05/03/2025, 13:23
General
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Target
SecuriteInfo.com.Trojan.MulDrop29.15967.25640.16156.exe
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Size
1.6MB
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MD5
8c767708c9a9554c0afb504629e75ffd
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SHA1
c65394806c0f77af880c7ff8a021bd4222ca3f11
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SHA256
dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
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SHA512
f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16
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SSDEEP
49152:R1aqCQ3KKia9icS8P80nPIIXQocVHmir6QmEGmNyRzs3Xn:R1aA37ia9iJ800QIXQocVHoEGV0
Malware Config
Extracted
systembc
towerbingobongoboom.com
62.60.226.86
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\SecuriteInfo.com.Trojan.MulDrop29.15967.25640.16156.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDrop29.15967.25640.16156.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 {67060C41-8D9D-42E1-8A5E-11F7351700E4} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\nenpjl\afmu.exeC:\ProgramData\nenpjl\afmu.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
1.6MB
MD58c767708c9a9554c0afb504629e75ffd
SHA1c65394806c0f77af880c7ff8a021bd4222ca3f11
SHA256dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
SHA512f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16
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Filesize
216B
MD583e0683daf1c1325854d01136815b118
SHA10a5d3db62b1f12d8c9e29e8d3f77d50dd03e2fd3
SHA2567a7a7f8587dfafddc99ac19cf2865ba7a64c63aac2aaeae528db769aa55e191a
SHA512ff296d2039735803d29fa6a09473adc5e4b24d6936f36d5141312fb71e8f0ef1dc78aeb0cfc9c370e21d022be5fb4525a7447d27dba1f449d9a217097da1bafb
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
8KB
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Filesize
4.1MB
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Filesize
8KB
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Filesize
4.1MB