Analysis Overview
SHA256
d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b
Threat Level: Known bad
The file d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
UPX dump on OEP (original entry point)
ModiLoader Second Stage
Checks computer location settings
Loads dropped DLL
UPX packed file
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-04 03:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 03:32
Reported
2024-05-04 03:34
Platform
win7-20240221-en
Max time kernel
150s
Max time network
144s
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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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 |
Loads dropped DLL
UPX packed file
| 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 |
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| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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 92436 | N/A | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe |
| PID 92860 set thread context of 23272 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 92860 set thread context of 23368 | 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\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.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\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe
"C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe"
C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe
"C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\TXJKH.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 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
Files
memory/3000-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3000-3-0x0000000000270000-0x0000000000271000-memory.dmp
memory/92436-73916-0x0000000000400000-0x000000000040B000-memory.dmp
memory/92436-73918-0x0000000000400000-0x000000000040B000-memory.dmp
memory/92436-73920-0x0000000000400000-0x000000000040B000-memory.dmp
memory/92436-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/92436-73923-0x0000000000400000-0x000000000040B000-memory.dmp
memory/92436-73924-0x0000000000400000-0x000000000040B000-memory.dmp
memory/92436-73925-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\TXJKH.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | c35f57473e0d484bb6a972ace2eb93d0 |
| SHA1 | 211a5d892f6f90200123b9aac6d1cc00424a91c9 |
| SHA256 | 783e6381e98a2aaa7e075ec809b5122cf0ef36a6168c2af5dee70f53bebba3e2 |
| SHA512 | 0cc0efc21634ba4ce2ec4e2636ed9553373d80bd81e10737318dc6d9942ed4eddb6f3faccbcd05183e99f5ebf2b7635ceda93e6b7526dfd545942694121c2ebe |
memory/92860-73965-0x0000000000400000-0x0000000000453000-memory.dmp
memory/92436-90364-0x0000000000400000-0x000000000040B000-memory.dmp
memory/23368-147834-0x0000000000400000-0x0000000000414000-memory.dmp
memory/92436-147842-0x0000000000400000-0x000000000040B000-memory.dmp
memory/23272-147848-0x0000000000400000-0x000000000040B000-memory.dmp
memory/23368-147849-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 03:32
Reported
2024-05-04 03:34
Platform
win10v2004-20240426-en
Max time kernel
150s
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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 4784 set thread context of 1684 | N/A | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe |
| PID 4884 set thread context of 1152 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 4884 set thread context of 4636 | 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\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.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\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe
"C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe"
C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe
"C:\Users\Admin\AppData\Local\Temp\d59eb82f6d72b21a2328827d9649adcb744828d51426ccab3be006976176072b.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HVVJK.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
Files
memory/4784-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4784-3-0x00000000022D0000-0x00000000022D1000-memory.dmp
memory/1684-4-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1684-6-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1684-7-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HVVJK.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | d13fcf8e04651481194ad6eeb1bd17cd |
| SHA1 | e3bdee4329ac3ffebae7d7a9541321adb7cf3ebc |
| SHA256 | 59846548debc71de1cb28405b4e3db3eb5e49cad9af98047ef5ec86b6d175ecf |
| SHA512 | 10f07694a2921744cb9233c711e9e0218c3a29360686fd156c646b067fa194c2f0ab2bc05aa677ec11341da80b80069b73d0c0a5908f022a17bcd0bcfd73b92c |
memory/4884-31-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4884-34-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4636-44-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4884-43-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4636-37-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4636-45-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4636-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4636-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1684-50-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1152-52-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4636-53-0x0000000000400000-0x0000000000414000-memory.dmp