Analysis
- max time kernel
149s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
27/03/2024, 10:11
General
- Target e16b80152e25461e32280e559cf3b7c5.xlsm
- Size 158KB
- Sample240327-l8bfsada4v
- SHA256 db2c3720428299ab631ba0c046c0038bf42b32d8005f40abf7073da3cc61698f
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
https://biopaten.no/xeBP8Oj5/gg.html
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xlm40.dropper
https://beartoothkawasaki.com/QJT19jhtwHt/gg.html
Signatures
- Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- 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 SetWindowsHookEx 14 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e16b80152e25461e32280e559cf3b7c5.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
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C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz1.dll2⤵
- Process spawned unexpected child process
-
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C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz2.dll2⤵
- Process spawned unexpected child process
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3724-0-0x00007FF895550000-0x00007FF895560000-memory.dmp
memory/3724-1-0x00007FF895550000-0x00007FF895560000-memory.dmp
memory/3724-2-0x00007FF895550000-0x00007FF895560000-memory.dmp
memory/3724-4-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-3-0x00007FF895550000-0x00007FF895560000-memory.dmp
memory/3724-5-0x00007FF895550000-0x00007FF895560000-memory.dmp
memory/3724-6-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-7-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-9-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-8-0x00007FF892EB0000-0x00007FF892EC0000-memory.dmp
memory/3724-10-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-11-0x00007FF892EB0000-0x00007FF892EC0000-memory.dmp
memory/3724-12-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-13-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-14-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-15-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-16-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-17-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-18-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-19-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-20-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-21-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-22-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-23-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp
memory/3724-44-0x00007FF8D54D0000-0x00007FF8D56C5000-memory.dmp