Analysis Overview
SHA256
8b7563bd2440c86b026181c0867d0f2604d98df02c379da360411443f3a65b16
Threat Level: Known bad
The file 4080b8a70da9f1a203e703a8a83061d0_NEAS was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
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
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 10:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 10:28
Reported
2024-05-07 10:31
Platform
win7-20240419-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
ModiLoader, DBatLoader
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:\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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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 2068 set thread context of 93608 | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe |
| PID 93892 set thread context of 30444 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 93892 set thread context of 30680 | 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\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.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\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe"
C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJXWJ.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 |
| US | 8.8.8.8:53 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
Files
memory/2068-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2068-3-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/93608-73916-0x0000000000400000-0x000000000040B000-memory.dmp
memory/93608-73918-0x0000000000400000-0x000000000040B000-memory.dmp
memory/93608-73921-0x0000000000400000-0x000000000040B000-memory.dmp
memory/93608-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/93608-73923-0x0000000000400000-0x000000000040B000-memory.dmp
memory/93608-73924-0x0000000000400000-0x000000000040B000-memory.dmp
memory/93608-73925-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\EJXWJ.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 9db5a51d896630a70cd9d3afa269a1cf |
| SHA1 | 653473b23a30158ebf47210d508130d473499a19 |
| SHA256 | 9e00d367e685680840395c6d2e7a40722426b5facccffc5c21429c9aee9d6f15 |
| SHA512 | 8623b65aee44872daf87e0082e751c2338dde489ac87eb2a755a1f1414d101f74e5d71ae6f538ba8816cb3df8ac513697d5f4cdb40d470a088b5fc092f2a7619 |
memory/93892-73965-0x0000000000400000-0x0000000000453000-memory.dmp
memory/93608-107959-0x0000000000400000-0x000000000040B000-memory.dmp
memory/30680-147836-0x0000000000400000-0x0000000000414000-memory.dmp
memory/93608-147843-0x0000000000400000-0x000000000040B000-memory.dmp
memory/30444-147849-0x0000000000400000-0x000000000040B000-memory.dmp
memory/30680-147850-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 10:28
Reported
2024-05-07 10:31
Platform
win10v2004-20240419-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
ModiLoader, DBatLoader
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.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 |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\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 4048 set thread context of 4172 | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe |
| PID 3632 set thread context of 3676 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 3632 set thread context of 3156 | 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\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.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\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe"
C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\4080b8a70da9f1a203e703a8a83061d0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JFERH.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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong0911.no-ip.biz | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| FR | 78.159.135.230:1337 | billabong0911.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.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 | 14.227.111.52.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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | 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/4048-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4048-3-0x00000000021C0000-0x00000000021C1000-memory.dmp
memory/4048-4-0x00000000021E0000-0x00000000021E1000-memory.dmp
memory/4172-5-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4172-7-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4172-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4172-11-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\JFERH.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 87f5becce14bfc21bd532610cdec9bdb |
| SHA1 | ff954dfe2fa099a4504bc57ae80f3c346f483ca7 |
| SHA256 | eeb6a2bfa7a379f127044dc4b6874967532f515e61aa7830e173460978678619 |
| SHA512 | b388fd1d3b50447042d4cbef8936facce0d91a9c2178e47aaf0bc573fb857cba74f5a40e7d6f57c290a8bb6cb5dde8021bcfec1b3864adb59d06b84aefad4e37 |
memory/3632-33-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3632-36-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3156-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3156-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3632-48-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4172-54-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3156-45-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3156-44-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3156-39-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3676-55-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3156-56-0x0000000000400000-0x0000000000414000-memory.dmp