Analysis Overview
SHA256
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513
Threat Level: Known bad
The file 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
UPX dump on OEP (original entry point)
ModiLoader Second Stage
UPX dump on OEP (original entry point)
Detects Windows executables referencing non-Windows User-Agents
Loads dropped DLL
UPX packed file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 21:05
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 21:05
Reported
2024-06-20 21:07
Platform
win7-20240508-en
Max time kernel
149s
Max time network
118s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Loads dropped DLL
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1704 set thread context of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe |
| PID 1188 set thread context of 544 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1188 set thread context of 1860 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\SWUXI.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/1704-1-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1704-3-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/1704-15-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/1704-5-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/1704-27-0x0000000000290000-0x0000000000291000-memory.dmp
memory/1704-77-0x0000000000500000-0x0000000000502000-memory.dmp
memory/1704-69-0x00000000004E0000-0x00000000004E1000-memory.dmp
memory/1704-59-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1704-39-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2608-96-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2608-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2608-90-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2608-87-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1704-88-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2608-104-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1704-103-0x0000000002450000-0x00000000024A3000-memory.dmp
memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1704-99-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1704-97-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SWUXI.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | a9a1a3a3b91b71adb8f4bfb984792b1a |
| SHA1 | a61eef444818baccab21095b2abe9e360febe851 |
| SHA256 | 7c301fab4a1914a87c1fa5ba5ce7731e51dcdfa2511bc6f68a9a0a88d7f391ce |
| SHA512 | f3e937d96d1d7f7bf1e2f610b4bb46708166d7b2502377fa48ba46b8e364f43288c6fe60706771a1ada80e4dd8c2ad2ba4566cad210b91c627b52470b8a24491 |
memory/2608-147-0x0000000003230000-0x0000000003283000-memory.dmp
memory/2608-146-0x0000000003230000-0x0000000003283000-memory.dmp
memory/2608-145-0x0000000003230000-0x0000000003283000-memory.dmp
memory/2608-144-0x0000000003230000-0x0000000003283000-memory.dmp
memory/1188-151-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1188-154-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/1188-175-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1188-164-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1188-227-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1860-245-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1188-248-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2608-253-0x0000000000400000-0x000000000040B000-memory.dmp
memory/544-258-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 21:05
Reported
2024-06-20 21:07
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
ModiLoader Second Stage
| 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 |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2388 set thread context of 3992 | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe |
| PID 1648 set thread context of 1808 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1648 set thread context of 3836 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MUITJ.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
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 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2388-3-0x0000000002A20000-0x0000000002A22000-memory.dmp
memory/3992-4-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3992-6-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3992-10-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2388-8-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MUITJ.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | c3c6fddd5495fbb6273062ffd3c24142 |
| SHA1 | 37e246e9ea8a370dbf6127a003947b0a8c4ed83a |
| SHA256 | be4fccc81f062ba6fb3d40b73252f6ab2feec36d58765262bd941c9664bbe035 |
| SHA512 | 708d5b13c2a085277556985eadd4cc6dae4affda7115664ba6beb84a38b953571c5670210065131321e3e7d44b691fd29c2c6a89f421fc4235e3066074a95e4b |
memory/1648-33-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1648-37-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3836-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3836-43-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3836-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3836-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3836-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1648-48-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3992-55-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1808-56-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp