Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 13:20
Behavioral task
behavioral1
Sample
78afb3547e7e9f424414d46a6d95d52a6c793b27350128496ebf08051e967b4b.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
78afb3547e7e9f424414d46a6d95d52a6c793b27350128496ebf08051e967b4b.xls
Resource
win10v2004-20241007-en
General
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Target
78afb3547e7e9f424414d46a6d95d52a6c793b27350128496ebf08051e967b4b.xls
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Size
95KB
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MD5
76eb433a1a6a62f20abb19e1915a35b2
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SHA1
230a64ad9f23226faccda6c4999679c67de61d4f
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SHA256
78afb3547e7e9f424414d46a6d95d52a6c793b27350128496ebf08051e967b4b
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SHA512
563315c0938b20dda482b048a40d620d44c49c114e0dc8e2705fdb195f19219230fa99e4888cf9ed304dea029f90af603cfd231d268b2fd982c58d9c48d62cfa
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SSDEEP
1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgBHuS4hcTO97v7UYdEJmgq:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dge
Malware Config
Extracted
https://atperson.com/campusvirtual/3aAaeSKPaURF/
https://buffetmazzi.com.br/ckfinder/i/
http://atici.net/c/MgEC/
http://www.birebiregitim.net/wp-includes/f/
Signatures
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Process spawned unexpected child process 4 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 492 2168 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2004 2168 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1840 2168 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1224 2168 regsvr32.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2168 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2168 EXCEL.EXE 2168 EXCEL.EXE 2168 EXCEL.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 492 2168 EXCEL.EXE 31 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 2004 2168 EXCEL.EXE 32 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1840 2168 EXCEL.EXE 33 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34 PID 2168 wrote to memory of 1224 2168 EXCEL.EXE 34
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\78afb3547e7e9f424414d46a6d95d52a6c793b27350128496ebf08051e967b4b.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:492
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2004
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1840
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b