Analysis Overview
SHA256
09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b
Threat Level: Known bad
The file 09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
ModiLoader Second Stage
UPX dump on OEP (original entry point)
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
UPX packed file
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 Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 18:27
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
2024-06-16 18:27
Reported
2024-06-16 18:30
Platform
win7-20240221-en
Max time kernel
149s
Max time network
122s
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 |
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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-1-5-21-1298544033-3225604241-2703760938-1000\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 2336 set thread context of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe |
| PID 1540 set thread context of 1496 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1540 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\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.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\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\JYXFG.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/2336-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2336-3-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2336-5-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2336-15-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2336-40-0x0000000000350000-0x0000000000351000-memory.dmp
memory/2336-28-0x0000000000330000-0x0000000000331000-memory.dmp
memory/2336-23-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2336-70-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2336-88-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2488-99-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2336-105-0x00000000025C0000-0x0000000002613000-memory.dmp
memory/2488-104-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2488-101-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2336-102-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2488-97-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2488-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2488-93-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2488-91-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2488-89-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2336-78-0x00000000003D0000-0x00000000003D2000-memory.dmp
memory/2336-60-0x0000000000390000-0x0000000000391000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\JYXFG.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 3f69d8a4491ac4eeb74057c57a450590 |
| SHA1 | 7aa30c718c0e50311737137c1c21afff6ef2dc14 |
| SHA256 | 04bac7d084570eb6eeea9a9e9021ed9287bb460fa77a591f30901c0a931d949b |
| SHA512 | 55b6d74d18bda2a63a5fd67f4cc8198a7114095f32f1e42db07af3a5cbc626cd4b9694084d4d65707831b0ca9964b3ba65069d02e899b8498fd7e0fb4f1338ce |
memory/2488-131-0x0000000003350000-0x00000000033A3000-memory.dmp
memory/2488-146-0x0000000003350000-0x00000000033A3000-memory.dmp
memory/1540-151-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2488-150-0x0000000003350000-0x00000000033A3000-memory.dmp
memory/2488-149-0x0000000003350000-0x00000000033A3000-memory.dmp
memory/1540-154-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1540-164-0x0000000000250000-0x0000000000251000-memory.dmp
memory/1540-175-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/1540-209-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1860-242-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1496-241-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1540-251-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2488-254-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1860-260-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1496-259-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 18:27
Reported
2024-06-16 18:30
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
152s
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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ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.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-1-5-21-3558294865-3673844354-2255444939-1000\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 3000 set thread context of 5096 | N/A | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe |
| PID 2964 set thread context of 3140 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 2964 set thread context of 5092 | 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\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.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\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FKYAY.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 |
| 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/3000-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3000-4-0x0000000002A30000-0x0000000002A32000-memory.dmp
memory/3000-6-0x0000000002A50000-0x0000000002A52000-memory.dmp
memory/3000-5-0x0000000002A40000-0x0000000002A42000-memory.dmp
memory/3000-3-0x00000000022D0000-0x00000000022D2000-memory.dmp
memory/5096-7-0x0000000000400000-0x000000000040B000-memory.dmp
memory/5096-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/5096-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3000-13-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\FKYAY.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | a03c573146c1a8cc633ddc346d38f2bc |
| SHA1 | 8ad88a63df2e36b45a463091ee22419d79611ed2 |
| SHA256 | 3cacccdd21a6fb6dbc8fa0ee7f827e0579e1567725dcef7ca7453a3545ad91c8 |
| SHA512 | cdd77103e19dd238ea136092722dd74df115722dc8910660f24bae50f5d0285665ce23cfde912e03c58a1712377a4a9616b8b79ece83500e01f2e65262ca9531 |
memory/2964-36-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5092-51-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5092-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5092-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5092-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2964-49-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5092-42-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5096-57-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3140-58-0x0000000000400000-0x000000000040B000-memory.dmp
memory/5092-59-0x0000000000400000-0x0000000000414000-memory.dmp