Analysis
- max time kernel
137s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 18:58
General
- Target 7d8f0a53352c9188acef922dbecfa588_JaffaCakes118.exe
- Size 577KB
- Sample240731-xmp8laybqq
- SHA256 e12b58b042e361d227d4cc3e60e5b5c8ef49c7f70c306d1159c71a7eb335f5cd
Malware Config
Extracted
-
buer
-
https://178.62.46.155/
Signatures
- Buer
Buer is a new modular loader first seen in August 2019.
- Buer Loader 3 IoCs
Detects Buer loader in memory or disk.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7d8f0a53352c9188acef922dbecfa588_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7d8f0a53352c9188acef922dbecfa588_JaffaCakes118.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\a48cf94fa46ee8a8cca4}"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_jt401bvl.cf0.ps1
memory/688-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/688-7-0x00000000004F0000-0x00000000004FD000-memory.dmp
memory/688-4-0x0000000040000000-0x000000004000C000-memory.dmp
memory/728-27-0x00000000069D0000-0x0000000006A1C000-memory.dmp
memory/728-28-0x0000000006F00000-0x0000000006F32000-memory.dmp
memory/728-10-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/728-12-0x0000000005A70000-0x0000000005A92000-memory.dmp
memory/728-15-0x00000000062E0000-0x0000000006346000-memory.dmp
memory/728-14-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/728-13-0x0000000006270000-0x00000000062D6000-memory.dmp
memory/728-9-0x0000000002FF0000-0x0000000003026000-memory.dmp
memory/728-21-0x0000000006350000-0x00000000066A4000-memory.dmp
memory/728-26-0x0000000006940000-0x000000000695E000-memory.dmp
memory/728-8-0x0000000074A7E000-0x0000000074A7F000-memory.dmp
memory/728-30-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/728-29-0x0000000070890000-0x00000000708DC000-memory.dmp
memory/728-11-0x0000000005B50000-0x0000000006178000-memory.dmp
memory/728-40-0x0000000006EE0000-0x0000000006EFE000-memory.dmp
memory/728-41-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/728-42-0x0000000007930000-0x00000000079D3000-memory.dmp
memory/728-43-0x00000000082A0000-0x000000000891A000-memory.dmp
memory/728-44-0x0000000007C60000-0x0000000007C7A000-memory.dmp
memory/728-45-0x0000000007CD0000-0x0000000007CDA000-memory.dmp
memory/728-46-0x0000000007EE0000-0x0000000007F76000-memory.dmp
memory/728-47-0x0000000007E60000-0x0000000007E71000-memory.dmp
memory/728-48-0x0000000007E90000-0x0000000007E9E000-memory.dmp
memory/728-49-0x0000000007EA0000-0x0000000007EB4000-memory.dmp
memory/728-50-0x0000000007FA0000-0x0000000007FBA000-memory.dmp
memory/728-51-0x0000000007F80000-0x0000000007F88000-memory.dmp
memory/728-54-0x0000000074A70000-0x0000000075220000-memory.dmp