Analysis Overview
SHA256
e509fff53bbb2ac76ec56dedeef51bee2b1203f4a8564bbeab0803e2fa06946f
Threat Level: Known bad
The file 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
UPX packed file
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 05:50
Signatures
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
2024-05-07 05:50
Reported
2024-05-07 05:53
Platform
win7-20240419-en
Max time kernel
148s
Max time network
118s
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\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_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 |
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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 |
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 3012 set thread context of 2940 | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe |
| PID 2360 set thread context of 1660 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 2360 set thread context of 1712 | 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\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_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\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\IHUBK.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/3012-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3012-5-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3012-3-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3012-15-0x0000000000260000-0x0000000000261000-memory.dmp
memory/3012-39-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/3012-27-0x0000000000280000-0x0000000000281000-memory.dmp
memory/3012-77-0x00000000003A0000-0x00000000003A2000-memory.dmp
memory/3012-69-0x0000000000380000-0x0000000000381000-memory.dmp
memory/3012-59-0x0000000000360000-0x0000000000361000-memory.dmp
memory/3012-101-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2940-105-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-102-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2940-103-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2940-100-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2940-97-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2940-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3012-94-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2940-92-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2940-90-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2940-88-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-87-0x0000000000404000-0x0000000000405000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IHUBK.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | eedbcf0d8674cdf8ce0aed11219e9aa8 |
| SHA1 | fe9e6fedf679c5a9ec5983507b7c89fb4e9b9e89 |
| SHA256 | a81d66e81b3dbf9fcf0c36fdd4daa18b5fe26efeba664cd4980f8d6e194477cd |
| SHA512 | 699f6e11b6e102357c16d87533bca40b5927a4f71ca9c2c3a1a0ac8428c8ccb7c29c64fdcdecf9657532825dac7d281711dd38fe10ae6d6d6476b47bfb1f513b |
memory/2360-149-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2940-148-0x0000000003480000-0x00000000034D3000-memory.dmp
memory/2940-147-0x0000000003480000-0x00000000034D3000-memory.dmp
memory/2940-146-0x0000000003480000-0x00000000034D3000-memory.dmp
memory/2940-145-0x0000000003480000-0x00000000034D3000-memory.dmp
memory/2360-154-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2360-175-0x0000000000300000-0x0000000000301000-memory.dmp
memory/2360-164-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2360-237-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1712-243-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2360-249-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2940-253-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1660-258-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1712-259-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 05:50
Reported
2024-05-07 05:53
Platform
win10v2004-20240419-en
Max time kernel
149s
Max time network
148s
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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_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 |
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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-1-5-21-3726321484-1950364574-433157660-1000\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 4548 set thread context of 636 | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe |
| PID 2840 set thread context of 2484 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 2840 set thread context of 3908 | 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\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_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\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BVAXL.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| 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 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.53.16.96.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 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 51.15.97.104.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 | 11.227.111.52.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 | 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/4548-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/636-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/636-10-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4548-9-0x0000000002A50000-0x0000000002A52000-memory.dmp
memory/4548-8-0x0000000002A40000-0x0000000002A42000-memory.dmp
memory/4548-7-0x0000000002A30000-0x0000000002A32000-memory.dmp
memory/4548-5-0x0000000002A20000-0x0000000002A22000-memory.dmp
memory/636-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4548-12-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\BVAXL.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 5ef567104905e70bfb731a4279cfca65 |
| SHA1 | 42508a341ab10e6192c3804ee015b6beb2530ecc |
| SHA256 | 96c1df5906954563dee8ff38c33acf03840b597230449eda691e6ceae8b8608d |
| SHA512 | 07533ba71e711c8bb5377e7bba7be7e35eca215999260d8c155cb6bae3596d4170aac376662ec63e41f2ae507c6cabc1b01f7754865dc964b3f2a2b6b197b717 |
memory/2840-37-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2840-43-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3908-45-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3908-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2484-56-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3908-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3908-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2840-50-0x0000000000400000-0x0000000000453000-memory.dmp
memory/636-60-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2484-61-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3908-62-0x0000000000400000-0x0000000000414000-memory.dmp