Analysis Overview
SHA256
f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63
Threat Level: Known bad
The file f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
Remcos
NirSoft MailPassView
ModiLoader Second Stage
Nirsoft
Detects executables referencing many email and collaboration clients. Observed in information stealers
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Detects executables built or packed with MPress PE compressor
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
NirSoft WebBrowserPassView
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Accesses Microsoft Outlook accounts
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Script User-Agent
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-04 02:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-04 02:54
Reported
2024-04-04 02:57
Platform
win7-20240221-en
Max time kernel
145s
Max time network
132s
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\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2812 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2812 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2812 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2812 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe
"C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 716
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1016.filemail.com | udp |
| US | 192.240.97.18:443 | 1016.filemail.com | tcp |
| US | 192.240.97.18:443 | 1016.filemail.com | tcp |
Files
memory/2812-0-0x00000000001B0000-0x00000000001B1000-memory.dmp
memory/2812-1-0x0000000002E00000-0x0000000003E00000-memory.dmp
memory/2812-2-0x0000000002E00000-0x0000000003E00000-memory.dmp
memory/2812-4-0x00000000001B0000-0x00000000001B1000-memory.dmp
memory/2812-5-0x0000000000400000-0x00000000005AF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-04 02:54
Reported
2024-04-04 02:57
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
ModiLoader, DBatLoader
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
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Detects executables built or packed with MPress PE compressor
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables referencing many email and collaboration clients. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\8346219.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows \System32\8346219.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dkesuvii = "C:\\Users\\Public\\Dkesuvii.url" | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3008 set thread context of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe |
| PID 3008 set thread context of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe |
| PID 3008 set thread context of 4704 | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe |
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
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe
"C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.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\8346219.exe"
C:\Windows \System32\8346219.exe
"C:\Windows \System32\8346219.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\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe C:\\Users\\Public\\Libraries\\Dkesuvii.PIF
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe /stext "C:\Users\Admin\AppData\Local\Temp\sthfwhutkfvrplkwmdpxzxvepeo"
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe /stext "C:\Users\Admin\AppData\Local\Temp\dvnyxafngnnwsryadncrkcqnylfkxz"
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe
C:\Users\Admin\AppData\Local\Temp\f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63.exe /stext "C:\Users\Admin\AppData\Local\Temp\nqsjxsqouvfbcxvmmypsvpkezzplykujhy"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1016.filemail.com | udp |
| US | 192.240.97.18:443 | 1016.filemail.com | tcp |
| US | 192.240.97.18:443 | 1016.filemail.com | tcp |
| US | 8.8.8.8:53 | 18.97.240.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:45671 | tcp | |
| N/A | 127.0.0.1:55677 | tcp | |
| US | 192.3.101.8:55677 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.101.3.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 192.3.101.8:55677 | tcp | |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 213.143.182.52.in-addr.arpa | udp |
Files
memory/3008-0-0x0000000000AB0000-0x0000000000AB1000-memory.dmp
memory/3008-1-0x0000000002AD0000-0x0000000003AD0000-memory.dmp
memory/3008-2-0x0000000002AD0000-0x0000000003AD0000-memory.dmp
memory/3008-4-0x0000000000400000-0x00000000005AF000-memory.dmp
C:\Windows \System32\8346219.exe
| MD5 | 231ce1e1d7d98b44371ffff407d68b59 |
| SHA1 | 25510d0f6353dbf0c9f72fc880de7585e34b28ff |
| SHA256 | 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96 |
| SHA512 | 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612 |
C:\Windows \System32\netutils.dll
| MD5 | 8541304aadba4ae8620bb2699f6e0437 |
| SHA1 | e0b28a6ecd32d3789433217364c1006de9892df8 |
| SHA256 | 50573c81e5773c13a5411e8446d7fb17956865675782239818f7affd40a2fecb |
| SHA512 | c18b1233c138229705242e1cdc00970e45e414d8da9c643b1196ec9de261ae18076e22bed6fcc48c07d1f0e851469db9147f083f3c3c76a26b75994419392455 |
memory/4132-16-0x00000000613C0000-0x00000000613E3000-memory.dmp
C:\windows \system32\KDECO.bat
| MD5 | c545650595b479c81ad6b9d8882aae39 |
| SHA1 | 7a98aa2e6eee23b3c1bba876955d525bc618b3f0 |
| SHA256 | a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9 |
| SHA512 | 85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3 |
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wwhtumin.feb.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2216-26-0x0000019734880000-0x00000197348A2000-memory.dmp
memory/2216-27-0x00007FF8403A0000-0x00007FF840E61000-memory.dmp
memory/2216-28-0x00000197326D0000-0x00000197326E0000-memory.dmp
memory/2216-32-0x00000197326D0000-0x00000197326E0000-memory.dmp
memory/2216-30-0x00000197326D0000-0x00000197326E0000-memory.dmp
memory/2216-33-0x00007FF8403A0000-0x00007FF840E61000-memory.dmp
memory/3008-40-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-42-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-43-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-44-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-46-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-48-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-52-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-53-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-54-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-55-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-57-0x0000000015190000-0x0000000016190000-memory.dmp
memory/4272-59-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1928-60-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4272-65-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4272-67-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1928-69-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1928-72-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1928-76-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4704-82-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4704-83-0x0000000000430000-0x00000000004F9000-memory.dmp
memory/4704-84-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4704-75-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4272-73-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4704-66-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4272-86-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sthfwhutkfvrplkwmdpxzxvepeo
| MD5 | 32a7b06ba8a0426235849b55b563b06b |
| SHA1 | 47157e4608ac7375544e6a59c7353f5bea8167f5 |
| SHA256 | 14bb01cde2127abdc8cbef51092d1327d4fc63d40b47ca4621947c0dd8475e52 |
| SHA512 | 0a610acf3ee1abcbb198d0d52de567d8c40d3460897ad9cb53d1a9cc463935b13c13e880b23716a429d8680794d24e1d1ecfce2f386e3861798bd03bbf1f8cf6 |
memory/3008-89-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-92-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-94-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-93-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-96-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-95-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-98-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-99-0x0000000015190000-0x0000000016190000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | eb4e1b254ae1b542a4fd49dce9f6e965 |
| SHA1 | ecd318fc3e43ae0b440578387024bc8af97ddaef |
| SHA256 | 710ba06a079e4e480ef37053731acd79fbf9c136b5a954216752bd3dd55bfb58 |
| SHA512 | 7b009bf15449a1717577cdc687a4d6d1b7bf7d4318507b9f98fbee14daa83fb2c75dc5740b4df14e495d157ef1e97a2c3e6215e9ecd6f1de0c6d1b225066440e |
memory/3008-106-0x0000000033DD0000-0x0000000033DE9000-memory.dmp
memory/3008-110-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-111-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-121-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-132-0x0000000015190000-0x0000000016190000-memory.dmp
memory/3008-133-0x0000000015190000-0x0000000016190000-memory.dmp