Analysis
- max time kernel
148s - max time network
124s - platform
windows7_x64 - resource
win7v20210410 - submitted
06/07/2021, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
Vac.list07-20214862208.xlsm
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Vac.list07-20214862208.xlsm
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
- Target Vac.list07-20214862208.xlsm
- Size 185KB
- Sample210706-jkms3773h2
- SHA256 ded09606ba0d53a60f51abcb8254decc7cb49e8a4e26ad8e97f6ee49a7dd12ef
- MD5 49dda1569fdceeb75d6bf6b3cd293e75
- SHA1 8f77afedef8985e2c48a70d6ae082afc3a48c55f
- SHA512 a3e6078ff87530417c7bbb31c26b386a111e7dbbfb4680cc8a376c13261aa33d43d2b265cf56b9552640444975a2fe2c1e1fc57858f9c7a25b3a76aae6be98aa
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
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xlm4.0
Source
URLs
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xlm40.dropper
http://thousandsyears.download/div/44376,8555986111.jpg
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xlm40.dropper
http://voopeople.fun/div/44376,8555986111.jpg
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xlm40.dropper
http://uppercilio.fun/div/44376,8555986111.jpg
Extracted
Family
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icedid
Campaign
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3565085024
C2
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astrocycle.download
Signatures
- Process spawned unexpected child process 3 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 1032 772 regsvr32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 992 772 regsvr32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 700 772 regsvr32.exe 24 - Downloads MZ/PE file
- Loads dropped DLL 6 IoCs
pid Process 1032 regsvr32.exe 1676 regsvr32.exe 992 regsvr32.exe 608 regsvr32.exe 700 regsvr32.exe 884 regsvr32.exe - 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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 772 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1676 regsvr32.exe 1676 regsvr32.exe 608 regsvr32.exe 608 regsvr32.exe 884 regsvr32.exe 884 regsvr32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE - Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 772 wrote to memory of 1032 772 EXCEL.EXE 31 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 1032 wrote to memory of 1676 1032 regsvr32.exe 32 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 772 wrote to memory of 992 772 EXCEL.EXE 33 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 992 wrote to memory of 608 992 regsvr32.exe 34 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 772 wrote to memory of 700 772 EXCEL.EXE 35 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36 PID 700 wrote to memory of 884 700 regsvr32.exe 36
Processes
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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\Vac.list07-20214862208.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 -silent ..\XRAY.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\system32\regsvr32.exe-silent ..\XRAY.dll3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1676
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C:\Windows\SysWOW64\regsvr32.exeregsvr32 -silent ..\XTOWN.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\system32\regsvr32.exe-silent ..\XTOWN.dll3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:608
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C:\Windows\SysWOW64\regsvr32.exeregsvr32 -silent ..\XZIBIT.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Windows\system32\regsvr32.exe-silent ..\XZIBIT.dll3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:884
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