Analysis
- max time kernel
143s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
20/02/2024, 15:30
Static task
static1
Behavioral task
behavioral1
Sample
Purchase_Order.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Purchase_Order.exe
Resource
win10v2004-20231215-en
General
- Target Purchase_Order.exe
- Size 1.3MB
- Sample240220-sxvtlsaf3x
- SHA256 cae69da5307192f70fc72f4e3b59a75374ee094378c1fdc3b6eadfed2185f441
- MD5 f64370d00add3efc1682fe68dcf4d0f6
- SHA1 fb5260956e00cd84aa6d7922d447c47e15606f99
- SHA512 7eabbab0309a4b760eb522bc994b6a0fe17c58fbc55b192f3a7a28bdf078c23cac4f346aacf8f1cfc1a6f39fd27b3ce4006052489cf2b2b474da52fff198df71
- SSDEEP 24576:kH+bZn4eJDePreMta+dBZPGBAvPZsRDl4D0:kH7eJiPrVBZPGBJO
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
remcos
-
RemoteHost
-
bonaven.duckdns.org:1970
-
audio_folder
MicRecords
-
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
bonas
-
mouse_option
false
-
mutex
Rmc-D4INVW
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
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/2604-2-0x00000000049E0000-0x00000000059E0000-memory.dmp modiloader_stage2 - NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1616-95-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral2/memory/1616-99-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView - NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4408-89-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4408-101-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 6 IoCs
resource yara_rule behavioral2/memory/4408-89-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1616-95-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/2584-97-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2584-98-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1616-99-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/4408-101-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - Creates new service(s) 1 TTPs
- Executes dropped EXE 2 IoCs
pid Process 2036 easinvoker.exe 2576 easinvoker.exe - Loads dropped DLL 2 IoCs
pid Process 2036 easinvoker.exe 2576 easinvoker.exe - Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nzwlomnw = "C:\\Users\\Public\\Nzwlomnw.url" Purchase_Order.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 716 set thread context of 4408 716 colorcpl.exe 116 PID 716 set thread context of 1616 716 colorcpl.exe 117 PID 716 set thread context of 2584 716 colorcpl.exe 118 - Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 656 sc.exe 2364 sc.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4988 716 WerFault.exe 107 - 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 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 18 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 25 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe 2036 easinvoker.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 660 Process not Found - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 716 colorcpl.exe 716 colorcpl.exe 716 colorcpl.exe 716 colorcpl.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 2584 colorcpl.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 716 colorcpl.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2604 wrote to memory of 1812 2604 Purchase_Order.exe 84 PID 2604 wrote to memory of 1812 2604 Purchase_Order.exe 84 PID 2604 wrote to memory of 1812 2604 Purchase_Order.exe 84 PID 1812 wrote to memory of 2192 1812 cmd.exe 86 PID 1812 wrote to memory of 2192 1812 cmd.exe 86 PID 1812 wrote to memory of 2192 1812 cmd.exe 86 PID 1812 wrote to memory of 4924 1812 cmd.exe 87 PID 1812 wrote to memory of 4924 1812 cmd.exe 87 PID 1812 wrote to memory of 4924 1812 cmd.exe 87 PID 1812 wrote to memory of 3568 1812 cmd.exe 89 PID 1812 wrote to memory of 3568 1812 cmd.exe 89 PID 1812 wrote to memory of 3568 1812 cmd.exe 89 PID 1812 wrote to memory of 912 1812 cmd.exe 90 PID 1812 wrote to memory of 912 1812 cmd.exe 90 PID 1812 wrote to memory of 912 1812 cmd.exe 90 PID 1812 wrote to memory of 3604 1812 cmd.exe 91 PID 1812 wrote to memory of 3604 1812 cmd.exe 91 PID 1812 wrote to memory of 3604 1812 cmd.exe 91 PID 1812 wrote to memory of 2300 1812 cmd.exe 92 PID 1812 wrote to memory of 2300 1812 cmd.exe 92 PID 1812 wrote to memory of 2300 1812 cmd.exe 92 PID 1812 wrote to memory of 5072 1812 cmd.exe 93 PID 1812 wrote to memory of 5072 1812 cmd.exe 93 PID 1812 wrote to memory of 5072 1812 cmd.exe 93 PID 1812 wrote to memory of 4592 1812 cmd.exe 94 PID 1812 wrote to memory of 4592 1812 cmd.exe 94 PID 1812 wrote to memory of 4592 1812 cmd.exe 94 PID 1812 wrote to memory of 4460 1812 cmd.exe 95 PID 1812 wrote to memory of 4460 1812 cmd.exe 95 PID 1812 wrote to memory of 4460 1812 cmd.exe 95 PID 1812 wrote to memory of 2036 1812 cmd.exe 96 PID 1812 wrote to memory of 2036 1812 cmd.exe 96 PID 2036 wrote to memory of 3636 2036 easinvoker.exe 97 PID 2036 wrote to memory of 3636 2036 easinvoker.exe 97 PID 3636 wrote to memory of 4052 3636 cmd.exe 99 PID 3636 wrote to memory of 4052 3636 cmd.exe 99 PID 3636 wrote to memory of 656 3636 cmd.exe 100 PID 3636 wrote to memory of 656 3636 cmd.exe 100 PID 3636 wrote to memory of 2364 3636 cmd.exe 102 PID 3636 wrote to memory of 2364 3636 cmd.exe 102 PID 4052 wrote to memory of 2508 4052 cmd.exe 103 PID 4052 wrote to memory of 2508 4052 cmd.exe 103 PID 2604 wrote to memory of 2728 2604 Purchase_Order.exe 104 PID 2604 wrote to memory of 2728 2604 Purchase_Order.exe 104 PID 2604 wrote to memory of 2728 2604 Purchase_Order.exe 104 PID 2728 wrote to memory of 2576 2728 cmd.exe 106 PID 2728 wrote to memory of 2576 2728 cmd.exe 106 PID 2604 wrote to memory of 716 2604 Purchase_Order.exe 107 PID 2604 wrote to memory of 716 2604 Purchase_Order.exe 107 PID 2604 wrote to memory of 716 2604 Purchase_Order.exe 107 PID 2604 wrote to memory of 716 2604 Purchase_Order.exe 107 PID 716 wrote to memory of 4408 716 colorcpl.exe 116 PID 716 wrote to memory of 4408 716 colorcpl.exe 116 PID 716 wrote to memory of 4408 716 colorcpl.exe 116 PID 716 wrote to memory of 4408 716 colorcpl.exe 116 PID 716 wrote to memory of 968 716 colorcpl.exe 119 PID 716 wrote to memory of 968 716 colorcpl.exe 119 PID 716 wrote to memory of 968 716 colorcpl.exe 119 PID 716 wrote to memory of 1616 716 colorcpl.exe 117 PID 716 wrote to memory of 1616 716 colorcpl.exe 117 PID 716 wrote to memory of 1616 716 colorcpl.exe 117 PID 716 wrote to memory of 1616 716 colorcpl.exe 117 PID 716 wrote to memory of 2584 716 colorcpl.exe 118 PID 716 wrote to memory of 2584 716 colorcpl.exe 118
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\NzwlomnwO.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Windows\SysWOW64\cmd.execmd /c mkdir "\\?\C:\Windows "3⤵PID:2192
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:4924
-
-
C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:3568
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:912
-
-
C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:3604
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:2300
-
-
C:\Windows\SysWOW64\xcopy.exexcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:5072
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:4592
-
-
C:\Windows\SysWOW64\xcopy.exexcopy "x.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:4460
-
-
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:2036 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""4⤵
- Suspicious use of WriteProcessMemory
PID:3636 -
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:4052 -
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:2508
-
-
-
C:\Windows\system32\sc.exesc.exe create truesight binPath="C:\Users\Public\Libraries\truesight.sys" type=kernel5⤵
- Launches sc.exe
PID:656
-
-
C:\Windows\system32\sc.exesc.exe start truesight5⤵
- Launches sc.exe
PID:2364
-
-
-
-
-
C:\Windows\SysWOW64\cmd.execmd /c "C:\\Windows \\System32\\easinvoker.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows \System32\easinvoker.exe"C:\\Windows \\System32\\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2576
-
-
-
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\System32\colorcpl.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:716 -
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\tqkelzhznd"3⤵PID:4408
-
-
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\esqxmssablllc"3⤵
- Accesses Microsoft Outlook accounts
PID:1616
-
-
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\gmvqnkcuptdqmrbh"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2584
-
-
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\esqxmssablllc"3⤵PID:968
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 8283⤵
- Program crash
PID:4988
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 716 -ip 7161⤵PID:1984
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
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\bonas\logs.dat
- Size 144B
- SHA256 2ff50ef86890df944ce0020cc30fbc12b88beb30922a06496281c71e589721e4
- MD5 26d7350e095a1e718abf370053c97be7
- SHA1 eaeabfeafa9ec52d108e31fc39b3d124e28a9af0
- SHA512 38d17b5258ad9790c47820a19bd434b15fa1fff3f0f3a3759dbc0d7408d3e6aa86089b4e53cd46efad9b34c1edb884a1c6a57d6b4cb029c5ddeff72c82ca0680
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m2u1b0md.4hl.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tqkelzhznd
- Size 4KB
- SHA256 e09a0aed9bbc43da3b7a85d30a9a10b54d11c096aa6cef81c23364bc9c4dfcc9
- MD5 0cb17253d14f1f732dfbc3ef9b580d1e
- SHA1 85d726cf68f14dd34090de9f4d160c0387249b68
- SHA512 f651e62d58e83f9d5e21f3ac8cc516290bfff66c1981dc14cc3a7a900db70d6e7e15c99bb717a18c036b96a6c2f794c2351df7aa39b69531f2112860a51a86ee
- SSDEEP 48:wvvv0N9exfvvcN9exfdvv0N9exBvv0N9exakvv0N9e7:mviexv6ep1viePviebvie7
- 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\NzwlomnwO.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\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 115KB
- SHA256 ae33f291a6f2011ca147c2b48035743aba3c507dcef86e1fa6acb4dee47cbf43
- MD5 ecb0b0d16112f27c57e4048a02802fd5
- SHA1 f7d1c76802d3948c55114fc0ea82c928936de944
- SHA512 a18a6cde621274f42e20b4b897df2df984a8e6d420d65198fd6d4193a3a91b8c3ca6905120ac299acd8758da72654e7a650e872425677763894b11c98f03c421
- SSDEEP 1536:zUJiEezaID3zzy02XtS1msMtY0j5jJUQ7bT47WCl7MbiR8RyIESE8F:zUQEezd/4S1aY0vUQ7bT4gRy9SE8F
- MD5 SHA1 SHA512 SSDEEP