Analysis Overview
SHA256
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2
Threat Level: Known bad
The file 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
UPX dump on OEP (original entry point)
Detects Windows executables referencing non-Windows User-Agents
ModiLoader Second Stage
Executes dropped EXE
Checks computer location settings
UPX packed file
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 23:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 23:34
Reported
2024-06-20 23:37
Platform
win7-20240221-en
Max time kernel
13s
Max time network
121s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
Loads dropped DLL
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1848 set thread context of 2412 | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1848 set thread context of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe |
| PID 2124 set thread context of 2680 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2124 set thread context of 2932 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe |
| PID 2124 set thread context of 1440 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\RPNSF.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/1848-4-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1848-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1848-8-0x0000000000310000-0x0000000000311000-memory.dmp
memory/1848-14-0x0000000000330000-0x0000000000331000-memory.dmp
memory/1848-20-0x0000000000360000-0x0000000000361000-memory.dmp
memory/1848-28-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/1848-32-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/1848-50-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/1848-51-0x00000000003F0000-0x00000000003F2000-memory.dmp
memory/1848-38-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/1848-76-0x0000000000450000-0x0000000000452000-memory.dmp
memory/1848-89-0x0000000000490000-0x0000000000492000-memory.dmp
memory/1848-81-0x0000000000470000-0x0000000000471000-memory.dmp
memory/2412-90-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2412-129-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2328-128-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2412-119-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2412-117-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2328-116-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2328-114-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2328-112-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2328-110-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2328-108-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2412-107-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2412-92-0x0000000000400000-0x000000000040C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RPNSF.bat
| MD5 | 3a4614705555abb049c3298e61170b7f |
| SHA1 | c8686410756f346d9551256a5b878b04770950ba |
| SHA256 | cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b |
| SHA512 | 65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007 |
\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
| MD5 | 04964fb57a27f708fbdc2dd3df99ce7a |
| SHA1 | 139304f800ce355a405e8e3710a7b895da0dccc7 |
| SHA256 | 5e8a771767cdc1ad1ecb890610d1d6677ebfa73ef432b7f60693a7ef07b3ffc2 |
| SHA512 | a21cfb4cda23aa811f5bf19b79aeb9e088b828d594c1edfbcc6872585791b449bdce86b19dbfa18e81b0564a27026d2151d89987418d3ecb7ba913003df517e3 |
memory/2328-285-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1440-282-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2932-275-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2412-290-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2932-293-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 23:34
Reported
2024-06-20 23:37
Platform
win10v2004-20240508-en
Max time kernel
136s
Max time network
143s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| 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 |
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 |
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.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 |
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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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 856 set thread context of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 856 set thread context of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe |
| PID 4944 set thread context of 4840 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 4944 set thread context of 2684 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe |
| PID 4944 set thread context of 4488 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3276 -ip 3276
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 84
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BQRPX.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.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 |
Files
memory/856-3-0x00000000028E0000-0x00000000028E2000-memory.dmp
memory/856-2-0x00000000028C0000-0x00000000028C2000-memory.dmp
memory/856-4-0x0000000002900000-0x0000000002902000-memory.dmp
memory/856-5-0x0000000002920000-0x0000000002922000-memory.dmp
memory/856-6-0x0000000002A40000-0x0000000002A42000-memory.dmp
memory/856-7-0x0000000002A70000-0x0000000002A72000-memory.dmp
memory/764-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/856-10-0x0000000002BF0000-0x0000000002BF2000-memory.dmp
memory/764-12-0x0000000000400000-0x000000000040B000-memory.dmp
memory/764-13-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\BQRPX.txt
| MD5 | 3a4614705555abb049c3298e61170b7f |
| SHA1 | c8686410756f346d9551256a5b878b04770950ba |
| SHA256 | cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b |
| SHA512 | 65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007 |
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
| MD5 | 32a8cab31a0f51fc9f36b26aa6e4cff6 |
| SHA1 | c37bf457ee1a082b2e20cb6d7319189b555fe5a6 |
| SHA256 | ff62d8cdc0463c3d5de3a99996503b243e0c67cc40bd1f4bf18bb592a06ddceb |
| SHA512 | 1127f0099f3a556feb45a538f612ae94246b6fce3361b4e141457cf09107b1dbb665758f360738df4b9183d352f762e88b572235f76805ad976066dd2a475974 |
memory/4944-39-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4944-40-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4944-41-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4840-42-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4840-49-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4840-54-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4488-59-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4944-60-0x0000000000400000-0x000000000041F000-memory.dmp
memory/764-63-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4488-58-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4488-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4488-55-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4944-52-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4840-46-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4488-65-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2684-67-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4840-75-0x0000000000400000-0x000000000040C000-memory.dmp