Analysis
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max time kernel
118s -
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, 14:01
Behavioral task
behavioral1
Sample
1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.xls
Resource
win10v2004-20241007-en
General
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Target
1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.xls
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Size
95KB
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MD5
3186ea1421ef263e2851058d3570cfd3
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SHA1
1792cae0cec27c7be0b199bab666b31629103f79
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SHA256
1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c
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SHA512
e0c5e405638f345d38626af300b0ac32ca53f2ab57712b839d74ad284fd3d0030a49e699f8da645c1866301446ca8a84090038da3c6cf28bde1723459fcb1f54
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SSDEEP
1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgBHuS4hcTO97v7UYdEJm8q:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgC
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 1432 2116 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1936 2116 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2036 2116 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1612 2116 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.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 2116 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2116 EXCEL.EXE 2116 EXCEL.EXE 2116 EXCEL.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1432 2116 EXCEL.EXE 32 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 1936 2116 EXCEL.EXE 33 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 2036 2116 EXCEL.EXE 34 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35 PID 2116 wrote to memory of 1612 2116 EXCEL.EXE 35
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\1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1432
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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:1936
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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:2036
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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:1612
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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