Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
02/06/2026, 07:28
General
- Target tmpj63w356g.xls
- Size 144KB
- Sample260602-ja2tzaf12s
- SHA256 0408d897e1399fc4a7c9cdfb49f0847fe4adaaa9b72677e5237396f5799546db
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
https://tlanddissipate.at/3/rbs.dll
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- 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 21 IoCs
- Suspicious use of WriteProcessMemory 1 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\tmpj63w356g.xls"1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" lLlwqJs.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
b8ab77100df80ab2.customDestinations-ms
memory/3208-13-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-3-0x00007FFF5A7D0000-0x00007FFF5A7E0000-memory.dmp
memory/3208-2-0x00007FFF5A7D0000-0x00007FFF5A7E0000-memory.dmp
memory/3208-4-0x00007FFF5A7D0000-0x00007FFF5A7E0000-memory.dmp
memory/3208-7-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-9-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-10-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-12-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-0-0x00007FFF5A7D0000-0x00007FFF5A7E0000-memory.dmp
memory/3208-14-0x00007FFF57ED0000-0x00007FFF57EE0000-memory.dmp
memory/3208-6-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-8-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-11-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-5-0x00007FFF5A7D0000-0x00007FFF5A7E0000-memory.dmp
memory/3208-15-0x00007FFF57ED0000-0x00007FFF57EE0000-memory.dmp
memory/3208-16-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-17-0x00007FFF9A7ED000-0x00007FFF9A7EE000-memory.dmp
memory/3208-18-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-19-0x00007FFF9A750000-0x00007FFF9A945000-memory.dmp
memory/3208-1-0x00007FFF9A7ED000-0x00007FFF9A7EE000-memory.dmp