Analysis
- max time kernel
138s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
31/01/2024, 10:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20231215-en
General
- Target file.exe
- Size 1.8MB
- Sample240131-mtzeqsadf2
- SHA256 371f543a58bcb2c9fcaa6f57866aa37e8607c69773bddf3cf81b4af0b6ff1530
- MD5 91fb69af719d6979571057a5ef96e3ff
- SHA1 dbe2e080be919f5d5b5c1793c28119d25565b408
- SHA512 9ca02d4c4f5d5dae5bcc41de9ccba9ec10f11e3af54a9f4d9331fbfc64408f4cb6563a9a3baa38376565c25896fe8f0d9a9acba691f4194e063fd5eb521d5c8e
- SSDEEP 24576:g7+dhTZPoW+yd+NM//vHQqlTHl4Vb24WX3k7wXTz8QGFUZfM+7Dfavrjnpir0gOp:gcP7HHQU72UHk7c7mvrq0gOPUQJRWuv
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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remcos
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RemoteHost
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23.95.60.87:8823
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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-SYIEJK
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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
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral2/memory/1456-2-0x0000000004120000-0x0000000005120000-memory.dmp modiloader_stage2 - NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1924-78-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral2/memory/1924-82-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView - NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3484-77-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3484-80-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3484-88-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 8 IoCs
resource yara_rule behavioral2/memory/2940-75-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3484-77-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1924-78-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/2940-79-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3484-80-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/2940-81-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1924-82-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/3484-88-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - Creates new service(s) 1 TTPs
- Executes dropped EXE 2 IoCs
pid Process 1912 easinvoker.exe 3572 easinvoker.exe - Loads dropped DLL 2 IoCs
pid Process 1912 easinvoker.exe 3572 easinvoker.exe - Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts colorcpl.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Enfybiiq = "C:\\Users\\Public\\Enfybiiq.url" file.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4976 set thread context of 3484 4976 colorcpl.exe 115 PID 4976 set thread context of 1924 4976 colorcpl.exe 116 PID 4976 set thread context of 2940 4976 colorcpl.exe 117 - Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2120 sc.exe 224 sc.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2044 4976 WerFault.exe 111 - Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe 1912 easinvoker.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 672 Process not Found - Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 4976 colorcpl.exe 4976 colorcpl.exe 4976 colorcpl.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 2940 colorcpl.exe - Suspicious use of WriteProcessMemory 63 IoCs
description pid Process procid_target PID 1456 wrote to memory of 448 1456 file.exe 90 PID 1456 wrote to memory of 448 1456 file.exe 90 PID 1456 wrote to memory of 448 1456 file.exe 90 PID 448 wrote to memory of 1668 448 cmd.exe 92 PID 448 wrote to memory of 1668 448 cmd.exe 92 PID 448 wrote to memory of 1668 448 cmd.exe 92 PID 448 wrote to memory of 1052 448 cmd.exe 94 PID 448 wrote to memory of 1052 448 cmd.exe 94 PID 448 wrote to memory of 1052 448 cmd.exe 94 PID 448 wrote to memory of 5020 448 cmd.exe 95 PID 448 wrote to memory of 5020 448 cmd.exe 95 PID 448 wrote to memory of 5020 448 cmd.exe 95 PID 448 wrote to memory of 408 448 cmd.exe 96 PID 448 wrote to memory of 408 448 cmd.exe 96 PID 448 wrote to memory of 408 448 cmd.exe 96 PID 448 wrote to memory of 3184 448 cmd.exe 97 PID 448 wrote to memory of 3184 448 cmd.exe 97 PID 448 wrote to memory of 3184 448 cmd.exe 97 PID 448 wrote to memory of 560 448 cmd.exe 98 PID 448 wrote to memory of 560 448 cmd.exe 98 PID 448 wrote to memory of 560 448 cmd.exe 98 PID 448 wrote to memory of 3928 448 cmd.exe 99 PID 448 wrote to memory of 3928 448 cmd.exe 99 PID 448 wrote to memory of 3928 448 cmd.exe 99 PID 448 wrote to memory of 3352 448 cmd.exe 100 PID 448 wrote to memory of 3352 448 cmd.exe 100 PID 448 wrote to memory of 3352 448 cmd.exe 100 PID 448 wrote to memory of 2444 448 cmd.exe 101 PID 448 wrote to memory of 2444 448 cmd.exe 101 PID 448 wrote to memory of 2444 448 cmd.exe 101 PID 448 wrote to memory of 1912 448 cmd.exe 102 PID 448 wrote to memory of 1912 448 cmd.exe 102 PID 1912 wrote to memory of 2480 1912 easinvoker.exe 103 PID 1912 wrote to memory of 2480 1912 easinvoker.exe 103 PID 2480 wrote to memory of 1536 2480 cmd.exe 105 PID 2480 wrote to memory of 1536 2480 cmd.exe 105 PID 2480 wrote to memory of 2120 2480 cmd.exe 107 PID 2480 wrote to memory of 2120 2480 cmd.exe 107 PID 2480 wrote to memory of 224 2480 cmd.exe 108 PID 2480 wrote to memory of 224 2480 cmd.exe 108 PID 1536 wrote to memory of 2492 1536 cmd.exe 109 PID 1536 wrote to memory of 2492 1536 cmd.exe 109 PID 1456 wrote to memory of 1624 1456 file.exe 110 PID 1456 wrote to memory of 1624 1456 file.exe 110 PID 1456 wrote to memory of 1624 1456 file.exe 110 PID 1456 wrote to memory of 4976 1456 file.exe 111 PID 1456 wrote to memory of 4976 1456 file.exe 111 PID 1456 wrote to memory of 4976 1456 file.exe 111 PID 1624 wrote to memory of 3572 1624 cmd.exe 113 PID 1624 wrote to memory of 3572 1624 cmd.exe 113 PID 1456 wrote to memory of 4976 1456 file.exe 111 PID 4976 wrote to memory of 3484 4976 colorcpl.exe 115 PID 4976 wrote to memory of 3484 4976 colorcpl.exe 115 PID 4976 wrote to memory of 3484 4976 colorcpl.exe 115 PID 4976 wrote to memory of 3484 4976 colorcpl.exe 115 PID 4976 wrote to memory of 1924 4976 colorcpl.exe 116 PID 4976 wrote to memory of 1924 4976 colorcpl.exe 116 PID 4976 wrote to memory of 1924 4976 colorcpl.exe 116 PID 4976 wrote to memory of 1924 4976 colorcpl.exe 116 PID 4976 wrote to memory of 2940 4976 colorcpl.exe 117 PID 4976 wrote to memory of 2940 4976 colorcpl.exe 117 PID 4976 wrote to memory of 2940 4976 colorcpl.exe 117 PID 4976 wrote to memory of 2940 4976 colorcpl.exe 117
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\EnfybiiqO.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\SysWOW64\cmd.execmd /c mkdir "\\?\C:\Windows "3⤵PID:1668
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:1052
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:5020
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:408
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:3184
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:560
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C:\Windows\SysWOW64\xcopy.exexcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:3928
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:3352
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C:\Windows\SysWOW64\xcopy.exexcopy "x.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:2444
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C:\Windows \System32\easinvoker.exe"C:\\Windows \\System32\\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""4⤵
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\system32\cmd.execmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"5⤵
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious use of AdjustPrivilegeToken
PID:2492
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C:\Windows\system32\sc.exesc.exe create truesight binPath="C:\Users\Public\Libraries\truesight.sys" type=kernel5⤵
- Launches sc.exe
PID:2120
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C:\Windows\system32\sc.exesc.exe start truesight5⤵
- Launches sc.exe
PID:224
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C:\Windows\SysWOW64\cmd.execmd /c "C:\\Windows \\System32\\easinvoker.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows \System32\easinvoker.exe"C:\\Windows \\System32\\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3572
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C:\Windows\SysWOW64\colorcpl.exeC:\Windows\System32\colorcpl.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\yscljonhnlamdlmzdkcnlxkdwfpdzgjbl"3⤵PID:3484
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C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\jmhdc"3⤵
- Accesses Microsoft Outlook accounts
PID:1924
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C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\tomwdzic"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 13723⤵
- Program crash
PID:2044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4976 -ip 49761⤵PID:1184
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fiz4suk5.dds.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\yscljonhnlamdlmzdkcnlxkdwfpdzgjbl
- Size 4KB
- SHA256 155c37d976ae56d6d9d7bed09e2802dade565be58b8af769b1e815ceb044c318
- MD5 320830fb2990210b35d02eb559f1b3f2
- SHA1 fba985836640a92e69c58c643929b75f7635ee33
- SHA512 6e0536d68bc7f2c053a02879aaabeabb390913028f5986be4d2c3eee67db27f1c9bf1675e33ef28bad5afb7c542070cdae31b31a1493328dc6e36c23a78a9073
- SSDEEP 48:wvvv0N7xfvvcN7xfdvv0N7xBvv0N7xakvv0N77:mvAxvop1vAPvAbvA7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\EnfybiiqO.bat
- Size 7KB
- SHA256 f46e0cc2c119a32dd87edf97bfc73d985ee97d2c9dc00274b6b20d641e29deea
- MD5 0d0d24b46d4bb0e4962595d455020d48
- SHA1 48b247c1cb2577b28aabd7dfa999e0642b5dc6de
- SHA512 d5a8779e1cfd2a284173ce8a205cacb41fc7c744fa84e55682ac50b327c676ff50f668ecd176e0ab84420d143a8023d8b4590362b223704c55f5b0d7e116ba2c
- SSDEEP 96:d/MTt2AdgpRXp2iRk1gLnjrL8DKzGrqpQo8G4rBlV+NZxHlwcGCsmZ8ftIhu6yN2:mhdgPZoKnjv8Nrmz8nrByNWc7eIhu6h
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\KDECO.bat
- Size 4KB
- SHA256 c8e1912a3328802e98563e32eb053ae3e28249b701054af227e9f1ba6bfe24d9
- MD5 785e8193007bcd7858b9df41c9d45f89
- SHA1 29b206de05ab075138ca9e0b9fccdddf3c30cdfe
- SHA512 a4d6fd586800f27939d8c152e89d2a231dc9fd8466e715dfeba22e2aa0428509095e12e6e66f2cb5e40ff5c998b439dc3f6792e20c179f41ac9cae31ada9d45f
- SSDEEP 96:SXISfSQ06ldNpeDSMfZ5eFsOWSaQmHs7k8qntYlBT1g8klpiyqYr4Vgc5KsW3:4ISBl1eDS3sLBMBW8k35R4VgXsa
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\easinvoker.exe
- Size 128KB
- SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
- MD5 231ce1e1d7d98b44371ffff407d68b59
- SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
- SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
- SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\netutils.dll
- Size 116KB
- SHA256 e443c8e9201f17ef4180d97a8505c24b4645e3ab25eacdeb8807d036229e2c1a
- MD5 18f2fcec0ea10ef689b557fb0315ba3b
- SHA1 cef14b1ebe402b6685734bc7efb16e27831c5b9e
- SHA512 29513bd06224e1e1b40aedde09ba0f14b7b0bce7533fb215809b25d972d889d8e72c91dc8e00966369e31721c526322b9a6a7573c9f58f335ef94ca782ff844a
- SSDEEP 1536:lgUYdGGz8ID3zjydXtt1msimYU15jNBQU7l4uCl7MbiRXRv179XF:lgU6GGzP/ot1PYUlBQU7l4vRv179XF
- MD5 SHA1 SHA512 SSDEEP