Analysis
- max time kernel
145s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
25/08/2024, 14:34
General
- Target c0f1f20287896ff8a866a98497ed8123_JaffaCakes118.exe
- Size 4.6MB
- Sample240825-rxwv8sygla
- SHA256 36cfad0772085523235d33687f8d8bdf460bcb468bcc3e885f719d61a99b7019
Malware Config
Extracted
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bitrat
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1.34
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logonapplication.ddns.net:4010
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communication_password
c4ca4238a0b923820dcc509a6f75849b
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tor_process
tor
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c0f1f20287896ff8a866a98497ed8123_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c0f1f20287896ff8a866a98497ed8123_JaffaCakes118.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vxfvdSvXkmR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp425E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp425E.tmp
memory/1204-5-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/1204-8-0x0000000002AC0000-0x0000000002ACA000-memory.dmp
memory/1204-3-0x0000000007BF0000-0x0000000008194000-memory.dmp
memory/1204-4-0x0000000007640000-0x00000000076D2000-memory.dmp
memory/1204-6-0x0000000002AA0000-0x0000000002AAA000-memory.dmp
memory/1204-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp
memory/1204-7-0x00000000077D0000-0x0000000007826000-memory.dmp
memory/1204-2-0x00000000075A0000-0x000000000763C000-memory.dmp
memory/1204-9-0x0000000074CBE000-0x0000000074CBF000-memory.dmp
memory/1204-10-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/1204-11-0x00000000062B0000-0x00000000066A2000-memory.dmp
memory/1204-12-0x0000000006770000-0x00000000067D6000-memory.dmp
memory/1204-1-0x0000000000350000-0x00000000007F6000-memory.dmp
memory/1204-23-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/4296-21-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-35-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-18-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-20-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-25-0x0000000074BC0000-0x0000000074BF9000-memory.dmp
memory/4296-26-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-32-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-33-0x0000000074F40000-0x0000000074F79000-memory.dmp
memory/4296-34-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-19-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-36-0x0000000074F40000-0x0000000074F79000-memory.dmp
memory/4296-37-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-38-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-39-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-40-0x0000000074F40000-0x0000000074F79000-memory.dmp
memory/4296-41-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-42-0x0000000000400000-0x00000000007CD000-memory.dmp
memory/4296-43-0x0000000074F40000-0x0000000074F79000-memory.dmp