Analysis
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max time kernel
103s -
max time network
37s -
platform
windows7_x64 -
resource
win7 -
submitted
09-07-2020 15:10
Static task
static1
Behavioral task
behavioral1
Sample
W2_tax.xls
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
W2_tax.xls
Resource
win10v200430
0 signatures
0 seconds
General
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Target
W2_tax.xls
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Size
78KB
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MD5
1fd2f585ce9317cb4ef6e4c233ada13d
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SHA1
3357e3ea80149ca4e70d3d2ff1a362c8c7bd2c9d
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SHA256
a29c5c74a10ecc2aa343ec8da39c2549ceaad1f6d1cd7a2b1ddaf8f15d913c2c
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SHA512
0e90c2855aa6b815c5caf1c6f83c2bf1dd7d590a92744f90627383c6376a59ea38b5dd1d093c74e40a9a93d662c437de10201c9b85e671ba3a6145df2482184c
Score
6/10
Malware Config
Signatures
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
EXCEL.EXEpid process 1544 EXCEL.EXE -
Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
Processes:
DW20.EXEdescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 752 1544 DW20.EXE EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEDW20.EXEdescription pid process target process PID 1544 wrote to memory of 752 1544 EXCEL.EXE DW20.EXE PID 1544 wrote to memory of 752 1544 EXCEL.EXE DW20.EXE PID 1544 wrote to memory of 752 1544 EXCEL.EXE DW20.EXE PID 1544 wrote to memory of 752 1544 EXCEL.EXE DW20.EXE PID 1544 wrote to memory of 752 1544 EXCEL.EXE DW20.EXE PID 752 wrote to memory of 324 752 DW20.EXE dwwin.exe PID 752 wrote to memory of 324 752 DW20.EXE dwwin.exe PID 752 wrote to memory of 324 752 DW20.EXE dwwin.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
dwwin.exepid process 324 dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1544 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1544 EXCEL.EXE 1544 EXCEL.EXE 1544 EXCEL.EXE
Processes
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C:\Program Files\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\W2_tax.xls1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE"C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 11562⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 11563⤵
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\67267.cvr
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memory/324-1-0x0000000000000000-mapping.dmp
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memory/324-2-0x0000000001D80000-0x0000000001D91000-memory.dmpFilesize
68KB
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memory/324-4-0x0000000002300000-0x0000000002311000-memory.dmpFilesize
68KB
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memory/752-0-0x0000000000000000-mapping.dmp