Analysis Overview
SHA256
d9c12e08efb953acf51fb574b233bcf1fd0a58061cb71f32bc198e986d10ef15
Threat Level: Known bad
The file 7f9d54f2643b695c21d8fb560e72106a.bin was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
Remcos
ModiLoader Second Stage
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-28 01:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-28 01:52
Reported
2024-03-28 01:55
Platform
win7-20240215-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\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 2548 | N/A | C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2548 | N/A | C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2548 | N/A | C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2548 | N/A | C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe
"C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 796
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/1724-0-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1724-1-0x0000000003090000-0x0000000004090000-memory.dmp
memory/1724-2-0x0000000003090000-0x0000000004090000-memory.dmp
memory/1724-4-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1724-5-0x0000000000400000-0x0000000000527000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-28 01:52
Reported
2024-03-28 01:55
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
148s
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\8472304.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\8472304.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qbijgrcm = "C:\\Users\\Public\\Qbijgrcm.url" | C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.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 |
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\colorcpl.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe
"C:\Users\Admin\AppData\Local\Temp\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.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\8472304.exe"
C:\Windows \System32\8472304.exe
"C:\Windows \System32\8472304.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\373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3.exe C:\\Users\\Public\\Libraries\\Qbijgrcm.PIF
C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.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 |
| 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 | 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/636-0-0x0000000002320000-0x0000000002321000-memory.dmp
memory/636-1-0x0000000003F80000-0x0000000004F80000-memory.dmp
memory/636-2-0x0000000003F80000-0x0000000004F80000-memory.dmp
memory/636-4-0x0000000000400000-0x0000000000527000-memory.dmp
C:\Windows \System32\8472304.exe
| MD5 | 231ce1e1d7d98b44371ffff407d68b59 |
| SHA1 | 25510d0f6353dbf0c9f72fc880de7585e34b28ff |
| SHA256 | 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96 |
| SHA512 | 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612 |
C:\Windows \System32\netutils.dll
| MD5 | fa7aa88417d0c48807144a1a48fe3fbc |
| SHA1 | 6f5ec990b12d4a6075050a94e0d68d03781fa46d |
| SHA256 | 2019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098 |
| SHA512 | 99b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff |
memory/5024-15-0x00000000613C0000-0x00000000613E3000-memory.dmp
C:\windows \system32\KDECO.bat
| MD5 | c545650595b479c81ad6b9d8882aae39 |
| SHA1 | 7a98aa2e6eee23b3c1bba876955d525bc618b3f0 |
| SHA256 | a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9 |
| SHA512 | 85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3 |
memory/5032-22-0x000001F73FB50000-0x000001F73FB72000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ouomdpnq.ar2.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/5032-27-0x00007FF99BAD0000-0x00007FF99C591000-memory.dmp
memory/5032-28-0x000001F73DA30000-0x000001F73DA40000-memory.dmp
memory/5032-29-0x000001F73DA30000-0x000001F73DA40000-memory.dmp
memory/5032-32-0x00007FF99BAD0000-0x00007FF99C591000-memory.dmp
memory/1488-40-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-42-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-43-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-44-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-45-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-46-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-47-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-48-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-49-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-54-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-55-0x0000000000E80000-0x0000000001E80000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | a19012ab284e87fb085e896d9944d1f2 |
| SHA1 | 6f4a7d315d18ac860c34bfe12e89858180e82053 |
| SHA256 | 8ded50971dd19b6e09dc08f0a9c36a0aa34d983ef80eefe12860a44fde64328e |
| SHA512 | 4dbc77990885eb64477ade0025ba4a52034b1c071825a991217725cb03e4c236f42145f5b15bf57fcac052c2b8d6025d1fea188fb5707264be36823f915ba276 |
memory/1488-62-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-63-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-70-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-71-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-78-0x0000000000E80000-0x0000000001E80000-memory.dmp
memory/1488-79-0x0000000000E80000-0x0000000001E80000-memory.dmp