Analysis
- max time kernel
72s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:28
Static task
static1
Behavioral task
behavioral1
Sample
document-1113405161.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1113405161.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1113405161.xlsm
- Size 106KB
- Sample210331-jkhj72c6rs
- SHA256 012f5ed78eb2fc8afbea5c73b1e2f0d2ba88a42dcf7ccca626b9c2c3cecacf3e
- MD5 25ee69c289af4602d0e4a5ebfc824003
- SHA1 a0e6215ea989a3e271ba01b8d3ce7b8fa181062c
- SHA512 0e5bb9f2c1f51d1afb1e1ce2b2462743dc6c9980ff364c8e1422f8fedc8c33946c13e61f038a1a190bb03d2ce0af1bdf52592cbfb2efdccfd252cbf7559799a6
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
-
xlm40.dropper
https://ieclb.com.br/ds/3103.gif
-
xlm40.dropper
https://maharaniworld.com/ds/3103.gif
-
xlm40.dropper
https://aycconsultoriaempresarial.com/ds/3103.gif
-
xlm40.dropper
https://sgb.ac.ke/ds/3103.gif
-
xlm40.dropper
https://hashmati.com/ds/3103.gif
Signatures
- Process spawned unexpected child process 5 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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 576 548 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 544 548 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 832 548 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1736 548 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1524 548 rundll32.exe 24 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 548 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE 548 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 576 548 EXCEL.EXE 31 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 544 548 EXCEL.EXE 32 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 832 548 EXCEL.EXE 33 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1736 548 EXCEL.EXE 35 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36 PID 548 wrote to memory of 1524 548 EXCEL.EXE 36
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1113405161.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:576
-
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:544
-
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:832
-
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1736
-
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1524
-