Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 22:02
General
- Target ff3e5345db2896cb4b785bcab88f6bd22d40593a33eb7a1cdec8bb055e3670f8.xlsm
- Size 473KB
- Sample240325-1x5mtaaa99
- SHA256 ff3e5345db2896cb4b785bcab88f6bd22d40593a33eb7a1cdec8bb055e3670f8
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Blocklisted process makes network request 1 IoCs
- Drops desktop.ini file(s) 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 16 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ff3e5345db2896cb4b785bcab88f6bd22d40593a33eb7a1cdec8bb055e3670f8.xlsm"1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B //E:javascript "C:\ProgramData\desktop.ini"2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
desktop.ini
memory/4572-7-0x00007FFAC90D0000-0x00007FFAC90E0000-memory.dmp
memory/4572-10-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-2-0x00007FFAC90D0000-0x00007FFAC90E0000-memory.dmp
memory/4572-4-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-6-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-0-0x00007FFAC90D0000-0x00007FFAC90E0000-memory.dmp
memory/4572-8-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-13-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-5-0x00007FFAC90D0000-0x00007FFAC90E0000-memory.dmp
memory/4572-11-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-3-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-12-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-9-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-14-0x00007FFAC6880000-0x00007FFAC6890000-memory.dmp
memory/4572-16-0x00007FFAC6880000-0x00007FFAC6890000-memory.dmp
memory/4572-26-0x00000185DDC70000-0x00000185DDE70000-memory.dmp
memory/4572-141-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-1-0x00007FFAC90D0000-0x00007FFAC90E0000-memory.dmp
memory/4572-232-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-233-0x00007FFB09050000-0x00007FFB09245000-memory.dmp
memory/4572-235-0x00000185DDC70000-0x00000185DDE70000-memory.dmp
memory/4572-248-0x00000185DB140000-0x00000185DC110000-memory.dmp
memory/4572-301-0x00000185DB140000-0x00000185DC110000-memory.dmp