Analysis
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max time kernel
265s -
max time network
240s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
19-01-2021 16:47
Behavioral task
behavioral1
Sample
PQ_7498.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PQ_7498.xls
Resource
win7v20201028
General
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Target
PQ_7498.xls
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Size
33KB
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MD5
20ce34e6dfd1f17d5e1e8564167c23bd
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SHA1
984045d9a670b781f4712611c87cc191380ef6f9
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SHA256
f9adf499bc16bfd096e00bc59c3233f022dec20c20440100d56e58610e4aded3
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SHA512
ef7fddfbbdb40f6b75d838397cad454a51822cbfec5e2dfbb8401784c518de74e9d707f9c44db2054be208735dba903035f1b75d7384fec5dc4c78275494514b
Malware Config
Extracted
http://indiamedicalshow.com/visitors.php
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.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 340 1668 rundll32.exe EXCEL.EXE -
JavaScript code in executable 2 IoCs
Processes:
yara_rule js C:\Users\Public\Documents\KsB.txt js -
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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1192 1668 DW20.EXE EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 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 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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" 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 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 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\MenuExt EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1668 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
EXCEL.EXEpid process 1668 EXCEL.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
EXCEL.EXEpid process 1668 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE 1668 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEDW20.EXEdescription pid process target process PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 340 1668 EXCEL.EXE rundll32.exe PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1668 wrote to memory of 1192 1668 EXCEL.EXE DW20.EXE PID 1192 wrote to memory of 1716 1192 DW20.EXE dwwin.exe PID 1192 wrote to memory of 1716 1192 DW20.EXE dwwin.exe PID 1192 wrote to memory of 1716 1192 DW20.EXE dwwin.exe PID 1192 wrote to memory of 1716 1192 DW20.EXE dwwin.exe
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\PQ_7498.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\KsB.txt,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:340 -
C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE"C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 9522⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 9523⤵PID:1716
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
096866e5ba5e052f84c51771671e344b
SHA127c1c50f9ff599a9adae5a52ee78ca0fbdb7a09d
SHA2565c421c78397470da8cf840b87dcbcf2495911ac03c5d02b8bc332e6a624b2261
SHA512268eac63794bcaa73d5b0f35b8fa736b6e72235f238db283877009f9cdf3192216a28cebe11e2a69bc0c1e988a91b8b2aa71ba0e4147c09efb395d816b6a3aef