Analysis
- max time kernel
144s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
16/02/2024, 12:17
General
- Target Facturas 0000051113, 005112,, 005113, 005114 00033511353.xla.xla.xls
- Size 557KB
- Sample240216-pf13hsbb26
- SHA256 8918ac8706f6f82a2d1a567f00f92820d48cbecf6a2dc8c79282db4e6a8a762a
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 6 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\Facturas 0000051113, 005112,, 005113, 005114 00033511353.xla.xla.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A
40BCD4CF-8E85-47A3-A846-A71750EA4FEF
089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres
49dbe2955480c7f6ef8cec9c4320c9868d9293fd.tbres
onemicrosoftdecentballonupdationprocessgoingonentireofficeinsecondstoupdatefasterthanbeforetoupdate[1].doc
memory/1796-32-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-25-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-120-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-121-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-59-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-36-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-31-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-29-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-27-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/1796-23-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-5-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-3-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-13-0x00007FFD6CBF0000-0x00007FFD6CC00000-memory.dmp
memory/4148-10-0x00007FFD6CBF0000-0x00007FFD6CC00000-memory.dmp
memory/4148-0-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-12-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-6-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-7-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-4-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-2-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-57-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-58-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-11-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-14-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-1-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-105-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-106-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-109-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-110-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-108-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-111-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-107-0x00007FFD6F550000-0x00007FFD6F560000-memory.dmp
memory/4148-112-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-8-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp
memory/4148-9-0x00007FFDAF4D0000-0x00007FFDAF6C5000-memory.dmp