Analysis
-
max time kernel
133s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 17:49
Behavioral task
behavioral1
Sample
52a4174aa55978a1846baa16c1ba712736860d3cd7813ce02c4cf29cfd725d80.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
52a4174aa55978a1846baa16c1ba712736860d3cd7813ce02c4cf29cfd725d80.xls
Resource
win10v2004-20241007-en
General
-
Target
52a4174aa55978a1846baa16c1ba712736860d3cd7813ce02c4cf29cfd725d80.xls
-
Size
96KB
-
MD5
e2b22fcfec1f58dab5a301786efb29b4
-
SHA1
07695514abb0eaada262a11f0fc67ddc114b1066
-
SHA256
52a4174aa55978a1846baa16c1ba712736860d3cd7813ce02c4cf29cfd725d80
-
SHA512
b30e26fc5524178937db619bab542d4c712fa5da903b992066a0253af3dbfc1b711ab7b5f48425b7c2266987b36fbae2d60c6885fc82d734b715939ff69f4dbc
-
SSDEEP
1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmQ:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg8
Malware Config
Extracted
https://atperson.com/campusvirtual/EOgFGo17w/
https://eliteturismo.com/phpmailer-old/dafdBxQONtk5Uf9dxll/
http://atici.net/c/JDFDBMIz/
http://domesticuif.co.za/libraries/nbnH9dpd/
Signatures
-
Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3568 3808 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 864 3808 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 744 3808 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2552 3808 regsvr32.exe 82 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3808 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3808 EXCEL.EXE 3808 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3808 wrote to memory of 3568 3808 EXCEL.EXE 92 PID 3808 wrote to memory of 3568 3808 EXCEL.EXE 92 PID 3808 wrote to memory of 864 3808 EXCEL.EXE 96 PID 3808 wrote to memory of 864 3808 EXCEL.EXE 96 PID 3808 wrote to memory of 744 3808 EXCEL.EXE 97 PID 3808 wrote to memory of 744 3808 EXCEL.EXE 97 PID 3808 wrote to memory of 2552 3808 EXCEL.EXE 98 PID 3808 wrote to memory of 2552 3808 EXCEL.EXE 98
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\52a4174aa55978a1846baa16c1ba712736860d3cd7813ce02c4cf29cfd725d80.xls"1⤵
- 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
PID:3808 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:3568
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:864
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:744
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:2552
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD509cac394ede7c3ac5928c19ae57a58bf
SHA17f3ad302aa8c01e413a9a4465e6bb78fa0cc8beb
SHA256554303c36752ac83c78dac6ddc781ac71addb3c2ab019f123d18394d3df80ca0
SHA512c6379dae5d9143fd48d1d7c818f45f0799cde17e60ee2384dba80b3cde87487dcab9907c6669365b1f77fbcabdca7da27733439a0fe12956f31e7ad3841e7f2c