Analysis Overview
SHA256
373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3
Threat Level: Known bad
The file PI-BD2403001.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
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Script User-Agent
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-26 12:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-26 12:52
Reported
2024-03-26 12:55
Platform
win7-20240221-en
Max time kernel
130s
Max time network
135s
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\PI-BD2403001.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2020 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2020 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2020 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2020 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe
"C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 720
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1021.filemail.com | udp |
| US | 23.237.82.74:443 | 1021.filemail.com | tcp |
| US | 23.237.82.74:443 | 1021.filemail.com | tcp |
Files
memory/2020-0-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2020-1-0x0000000002D00000-0x0000000003D00000-memory.dmp
memory/2020-2-0x0000000002D00000-0x0000000003D00000-memory.dmp
memory/2020-4-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2020-5-0x0000000000400000-0x0000000000527000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-26 12:52
Reported
2024-03-26 12:55
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
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\7617241.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\7617241.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qbijgrcm = "C:\\Users\\Public\\Qbijgrcm.url" | C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.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 |
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 |
| 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:\Windows\SysWOW64\SndVol.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe
"C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\7617241.exe"
C:\Windows \System32\7617241.exe
"C:\Windows \System32\7617241.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.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\PI-BD2403001.exe C:\\Users\\Public\\Libraries\\Qbijgrcm.PIF
C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 17.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1021.filemail.com | udp |
| US | 23.237.82.74:443 | 1021.filemail.com | tcp |
| US | 23.237.82.74:443 | 1021.filemail.com | tcp |
| US | 8.8.8.8:53 | 74.82.237.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.134.221.88.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 | geoplugin.net | udp |
| US | 8.8.8.8:53 | 29.235.95.23.in-addr.arpa | 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2364-0-0x0000000002330000-0x0000000002331000-memory.dmp
memory/2364-1-0x0000000003DB0000-0x0000000004DB0000-memory.dmp
memory/2364-2-0x0000000003DB0000-0x0000000004DB0000-memory.dmp
memory/2364-4-0x0000000000400000-0x0000000000527000-memory.dmp
memory/2364-6-0x0000000002330000-0x0000000002331000-memory.dmp
C:\Windows \System32\7617241.exe
| MD5 | 231ce1e1d7d98b44371ffff407d68b59 |
| SHA1 | 25510d0f6353dbf0c9f72fc880de7585e34b28ff |
| SHA256 | 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96 |
| SHA512 | 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612 |
C:\Windows \System32\netutils.dll
| MD5 | fa7aa88417d0c48807144a1a48fe3fbc |
| SHA1 | 6f5ec990b12d4a6075050a94e0d68d03781fa46d |
| SHA256 | 2019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098 |
| SHA512 | 99b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff |
memory/648-18-0x00000000613C0000-0x00000000613E3000-memory.dmp
C:\windows \system32\KDECO.bat
| MD5 | c545650595b479c81ad6b9d8882aae39 |
| SHA1 | 7a98aa2e6eee23b3c1bba876955d525bc618b3f0 |
| SHA256 | a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9 |
| SHA512 | 85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3 |
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lhu1l52s.u1m.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2840-30-0x00000294FBF70000-0x00000294FBF92000-memory.dmp
memory/2840-31-0x00007FFDB4C30000-0x00007FFDB56F1000-memory.dmp
memory/2840-32-0x00000294E2E60000-0x00000294E2E70000-memory.dmp
memory/2840-33-0x00000294E2E60000-0x00000294E2E70000-memory.dmp
memory/2840-36-0x00007FFDB4C30000-0x00007FFDB56F1000-memory.dmp
memory/2508-43-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-45-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-46-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-47-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-48-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-49-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-51-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-52-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-53-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-55-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-56-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-58-0x0000000000F20000-0x0000000001F20000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | f3408bfeb042b343724de2831a730979 |
| SHA1 | a32b4477686b243ae0b19f5b7c370bc986139be2 |
| SHA256 | d5aab3434142b4f7e448f2126cc8ef28fa35f15aa65e21275e54a04177211375 |
| SHA512 | b6f73671c27a8d9f949748b69e1db54a1e5d0a3bc2ff93cb6b2f686eb706220a6d5ebc53c8a21288b10e7bcd196f03a4dc232ec99158422b1cb127865866c1b3 |
memory/2508-65-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-66-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-73-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-74-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-80-0x0000000000F20000-0x0000000001F20000-memory.dmp
memory/2508-82-0x0000000000F20000-0x0000000001F20000-memory.dmp