Analysis Overview
SHA256
fd7fdaf361cff0166ac2423a63743a399a620822feeee1642dad2483c5589616
Threat Level: Known bad
The file 792902076bf2920b4dafb5f7c18288b0_NEIKI was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
Checks computer location settings
UPX packed file
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 11:09
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
2024-05-08 11:09
Reported
2024-05-08 11:12
Platform
win7-20240221-en
Max time kernel
149s
Max time network
123s
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\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_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 |
| 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 1228 set thread context of 2520 | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe |
| PID 1980 set thread context of 772 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1980 set thread context of 1476 | 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\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_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\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\HGUBK.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/1228-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-3-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1228-5-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1228-15-0x0000000000600000-0x0000000000601000-memory.dmp
memory/1228-27-0x0000000000620000-0x0000000000621000-memory.dmp
memory/1228-40-0x0000000001BE0000-0x0000000001BE1000-memory.dmp
memory/1228-34-0x0000000000404000-0x0000000000405000-memory.dmp
memory/1228-60-0x0000000001C20000-0x0000000001C21000-memory.dmp
memory/1228-79-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-92-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-89-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-82-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-80-0x0000000001C60000-0x0000000001C62000-memory.dmp
memory/1228-78-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1228-70-0x0000000001C40000-0x0000000001C41000-memory.dmp
memory/2520-93-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2520-97-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2520-101-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2520-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2520-95-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1228-102-0x0000000002500000-0x0000000002553000-memory.dmp
memory/1228-107-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2520-104-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2520-106-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2520-105-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HGUBK.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 3a8400a1767d1e406c024c8552d3622b |
| SHA1 | 018aafabbb66b1e08f33d01171e5bd0b39615c2a |
| SHA256 | 0f1588beb716ed738decf90555c3deb173390c9f3d81b38e1a62da6ccba94e3a |
| SHA512 | 5d7d1e9eaab3ac1fb7013a8b54f32ca5899ef8881e25faaebdf9ff227e5ea0c16fb2d0971ba8a6e471d19fd8c8a95b31abdf9dfcc49964622d24cc6384495639 |
memory/2520-147-0x0000000003440000-0x0000000003493000-memory.dmp
memory/1980-151-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2520-150-0x0000000003450000-0x00000000034A3000-memory.dmp
memory/2520-149-0x0000000003450000-0x00000000034A3000-memory.dmp
memory/2520-148-0x0000000003450000-0x00000000034A3000-memory.dmp
memory/1980-156-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/1980-177-0x0000000000300000-0x0000000000301000-memory.dmp
memory/1980-166-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/1980-239-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1476-245-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2520-253-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1980-248-0x0000000000400000-0x0000000000453000-memory.dmp
memory/772-260-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1476-261-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 11:09
Reported
2024-05-08 11:12
Platform
win10v2004-20240419-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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_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 |
| 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-1-5-21-877519540-908060166-1852957295-1000\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 2180 set thread context of 216 | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe |
| PID 4988 set thread context of 3696 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 4988 set thread context of 3344 | 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\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_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\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UMBVR.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 | 172.210.232.199.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 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.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 | 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 | 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 |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 17.173.189.20.in-addr.arpa | udp |
Files
memory/2180-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/216-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2180-4-0x0000000002A20000-0x0000000002A22000-memory.dmp
memory/2180-6-0x0000000002A50000-0x0000000002A52000-memory.dmp
memory/2180-5-0x0000000002A30000-0x0000000002A32000-memory.dmp
memory/216-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/216-12-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2180-10-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\UMBVR.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | cc86019db88b575990b9bc0989f22c93 |
| SHA1 | 5ecdcb3a3f9a0aad044cfafb1341a1bc06dd91da |
| SHA256 | 3e7ea045909150f9862ce67f8d5e34b5e404a99d369787c09ca87ba4559c1290 |
| SHA512 | 4a4fdfc925dd5b090c799e1e1b1de20ab45727c135fad7f599766086453257285e52405233fa4385e4bf9c224b7dff7128753ccc59f2031118c98912bbf32f55 |
memory/4988-35-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4988-47-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3344-42-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3344-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3344-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3344-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3344-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/216-57-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3696-58-0x0000000000400000-0x000000000040B000-memory.dmp