Analysis
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max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 03:04
Behavioral task
behavioral1
Sample
e6a4be19f02a130623bbb61854b74ec761f5c32a1eb7950fba30c3e09e110af1.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e6a4be19f02a130623bbb61854b74ec761f5c32a1eb7950fba30c3e09e110af1.xls
Resource
win10v2004-20241007-en
General
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Target
e6a4be19f02a130623bbb61854b74ec761f5c32a1eb7950fba30c3e09e110af1.xls
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Size
95KB
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MD5
2d90b65b2928e93e6eef89dc8372d9da
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SHA1
a6cad80a7317b2cdba692c3ac0abccea95500329
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SHA256
e6a4be19f02a130623bbb61854b74ec761f5c32a1eb7950fba30c3e09e110af1
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SHA512
b9ed1414c7e8b743f0a062001cff20c336e6b7f7a15726dea9023856794ff3a087dddba1d443f1d60df3f870f0c6c1b77d463918cc5c241840dc636bff886cbf
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SSDEEP
1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgBHuS4hcTO97v7UYdEJmQq:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu
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 1288 2120 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1284 2120 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1248 2120 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1676 2120 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.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 2120 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2120 EXCEL.EXE 2120 EXCEL.EXE 2120 EXCEL.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1288 2120 EXCEL.EXE 31 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1284 2120 EXCEL.EXE 33 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1248 2120 EXCEL.EXE 34 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 EXCEL.EXE 35 PID 2120 wrote to memory of 1676 2120 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\e6a4be19f02a130623bbb61854b74ec761f5c32a1eb7950fba30c3e09e110af1.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1288
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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:1284
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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:1248
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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:1676
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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