Analysis Overview
SHA256
be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a
Threat Level: Known bad
The file 8ca028d6a26153dfdcb0f67b66159ac9 was found to be: Known bad.
Malicious Activity Summary
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
ModiLoader Second Stage
Deletes itself
UPX packed file
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Drops file in System32 directory
Drops file in Program Files directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-03 15:00
Signatures
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Modiloader family
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
2024-02-03 15:00
Reported
2024-02-03 15:03
Platform
win7-20231215-en
Max time kernel
143s
Max time network
126s
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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\_rejoice101.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\_rejoice101.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2628 set thread context of 2780 | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Windows\SysWOW64\calc.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe
"C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe"
C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe
"C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe"
C:\Windows\SysWOW64\calc.exe
"C:\Windows\system32\calc.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 300
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat""
Network
Files
memory/2416-0-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/2416-1-0x0000000000300000-0x0000000000301000-memory.dmp
\Program Files\Common Files\Microsoft Shared\MSInfo\rejoice101.exe
| MD5 | 8ca028d6a26153dfdcb0f67b66159ac9 |
| SHA1 | 5362f1c2d6d3935fa505f4b1a57987abccd1cd3d |
| SHA256 | be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a |
| SHA512 | 2d73cb95b92a25da8c15cabe5833129a077b6fed804d54616c1880b5a319058725208768ccafa7f2efe68f8bf99a53269089cb0b58079b98b79b0438b331475b |
memory/2416-10-0x0000000002B80000-0x0000000002C45000-memory.dmp
memory/2416-12-0x0000000002B80000-0x0000000002C45000-memory.dmp
memory/2628-17-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2628-13-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/2780-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2780-22-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/2780-24-0x0000000000DD0000-0x0000000000DD0000-memory.dmp
memory/2416-28-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/2628-29-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/2416-30-0x0000000000300000-0x0000000000301000-memory.dmp
C:\Program Files\Common Files\Microsoft Shared\MSInfo\SgotoDel.bat
| MD5 | 77ced2405e345f9cff39459401cb8406 |
| SHA1 | 746565c2db29e17a1f38923467646c9acdd396e4 |
| SHA256 | a0c91442c2b7e8c2fde1b881c056c4006d3ac7437ac135a68b92c9830022d87a |
| SHA512 | 6bfd800d6970e7cd2f10277aa3da01681632d52e1a79f839f6dfa6fd9bd45e7c77a661cfc1663d1d2426445e3b5373eb89968100bf2b5a3607cc2172a9cfebe6 |
memory/2416-41-0x0000000000400000-0x00000000004C5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-03 15:00
Reported
2024-02-03 15:03
Platform
win10v2004-20231215-en
Max time kernel
142s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\_rejoice101.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\_rejoice101.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 740 set thread context of 2268 | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Windows\SysWOW64\calc.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat | C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe
"C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe"
C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe
"C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe"
C:\Windows\SysWOW64\calc.exe
"C:\Windows\system32\calc.exe"
C:\program files\internet explorer\IEXPLORE.EXE
"C:\program files\internet explorer\IEXPLORE.EXE"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 2268
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat""
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 12
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/1452-0-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/1452-3-0x0000000002480000-0x0000000002481000-memory.dmp
C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice101.exe
| MD5 | 8ca028d6a26153dfdcb0f67b66159ac9 |
| SHA1 | 5362f1c2d6d3935fa505f4b1a57987abccd1cd3d |
| SHA256 | be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a |
| SHA512 | 2d73cb95b92a25da8c15cabe5833129a077b6fed804d54616c1880b5a319058725208768ccafa7f2efe68f8bf99a53269089cb0b58079b98b79b0438b331475b |
memory/740-7-0x0000000000680000-0x0000000000681000-memory.dmp
memory/2268-10-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/740-14-0x0000000000400000-0x00000000004C5000-memory.dmp
memory/1452-15-0x0000000000400000-0x00000000004C5000-memory.dmp
C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat
| MD5 | 77ced2405e345f9cff39459401cb8406 |
| SHA1 | 746565c2db29e17a1f38923467646c9acdd396e4 |
| SHA256 | a0c91442c2b7e8c2fde1b881c056c4006d3ac7437ac135a68b92c9830022d87a |
| SHA512 | 6bfd800d6970e7cd2f10277aa3da01681632d52e1a79f839f6dfa6fd9bd45e7c77a661cfc1663d1d2426445e3b5373eb89968100bf2b5a3607cc2172a9cfebe6 |
memory/2268-17-0x0000000000E90000-0x0000000000E90000-memory.dmp