Analysis Overview
SHA256
637b36c849a35dc866096ebf9223b8adfa0743fc8734c1692f2eb4e3f69fbff3
Threat Level: Known bad
The file e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 05:29
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 05:29
Reported
2024-05-08 05:32
Platform
win7-20240215-en
Max time kernel
149s
Max time network
122s
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\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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 2356 set thread context of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe |
| PID 908 set thread context of 2840 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 908 set thread context of 628 | 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\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.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\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\JOBEQ.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/2356-0-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2356-5-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2356-3-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2356-15-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/2356-27-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/2356-40-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2356-39-0x0000000000470000-0x0000000000471000-memory.dmp
memory/2356-60-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/2356-91-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2356-88-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2356-81-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2356-79-0x0000000000530000-0x0000000000532000-memory.dmp
memory/2356-78-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2356-70-0x0000000000510000-0x0000000000511000-memory.dmp
memory/2356-92-0x0000000002630000-0x0000000002684000-memory.dmp
memory/2968-101-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2356-107-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2968-106-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-105-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-104-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-97-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-95-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-93-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2968-110-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\JOBEQ.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 360bd2f96c9cfcf580381358aa79122f |
| SHA1 | f7a8c05558540ce7ebe0771f958d1f74364a97d8 |
| SHA256 | 3580036de5a97084611b659e3c281ce4f9b3bf6a58ee6e5ff884db44381717fa |
| SHA512 | ac82a3bdabd35c2d91ee50a63cdfcd9675eaacc4db6e046474f1f29212506f7c639db3ae126061ac9e8e59ef002aecf28fcf80652ad69765a17a8ed571978ba9 |
memory/2968-135-0x0000000003490000-0x00000000034E4000-memory.dmp
memory/908-153-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2968-152-0x0000000003490000-0x00000000034E4000-memory.dmp
memory/2968-151-0x0000000003490000-0x00000000034E4000-memory.dmp
memory/2968-150-0x0000000003490000-0x00000000034E4000-memory.dmp
memory/2968-149-0x0000000003490000-0x00000000034E4000-memory.dmp
memory/908-158-0x0000000000240000-0x0000000000241000-memory.dmp
memory/908-187-0x0000000000360000-0x0000000000361000-memory.dmp
memory/908-179-0x0000000000340000-0x0000000000341000-memory.dmp
memory/908-168-0x0000000000320000-0x0000000000321000-memory.dmp
memory/908-215-0x0000000000400000-0x0000000000454000-memory.dmp
memory/908-248-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2968-252-0x0000000000400000-0x000000000040B000-memory.dmp
memory/628-247-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2840-261-0x0000000000400000-0x000000000040B000-memory.dmp
memory/628-262-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 05:29
Reported
2024-05-08 05:32
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
149s
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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.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 |
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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 |
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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-1-5-21-4018855536-2201274732-320770143-1000\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 3416 set thread context of 404 | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe |
| PID 1268 set thread context of 3060 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1268 set thread context of 1828 | 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\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.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\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| BE | 2.17.196.96:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.196.17.2.in-addr.arpa | udp |
| BE | 2.17.196.96:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.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 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | 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 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | 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 | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 200.197.79.204.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 |
Files
memory/3416-0-0x0000000000400000-0x0000000000454000-memory.dmp
memory/404-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3416-7-0x0000000002A40000-0x0000000002A42000-memory.dmp
memory/404-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3416-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3416-6-0x0000000002A30000-0x0000000002A32000-memory.dmp
memory/3416-5-0x0000000002A20000-0x0000000002A22000-memory.dmp
memory/3416-4-0x0000000002A10000-0x0000000002A12000-memory.dmp
memory/404-11-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\NJIVC.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | a6ef61cc240e33c0e9f22f1b0065b370 |
| SHA1 | 890208a833f0d01c09109993acca8e560f53c9b5 |
| SHA256 | 472c93815b8a11c92aacdacabdb921d83dad201a8a68f3703a4deca8e9d4bdce |
| SHA512 | 556268d1e655e93c9c9fc977392bf99562892d1fdcf21c5f4863277b5501e25f1f7997c7163fcaf30fa24c005e8d6d1de07c4f4a726331e1fe473821b48b4129 |
memory/1268-36-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1268-39-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1828-45-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1268-54-0x0000000000400000-0x0000000000454000-memory.dmp
memory/404-55-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3060-57-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1828-58-0x0000000000400000-0x0000000000414000-memory.dmp