Analysis Overview
SHA256
495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e
Threat Level: Known bad
The file 495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe was found to be: Known bad.
Malicious Activity Summary
Osiris
Osiris family
Executes dropped EXE
Loads dropped DLL
Uses Tor communications
Looks up external IP address via web service
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Enumerates physical storage devices
NSIS installer
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-23 04:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| 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
2024-11-23 04:34
Reported
2024-11-23 04:36
Platform
win7-20240903-en
Max time kernel
120s
Max time network
106s
Command Line
Signatures
Osiris
Osiris family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Uses Tor communications
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2848 set thread context of 2616 | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe
"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe
"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 194.109.206.212:80 | tcp | |
| CA | 199.58.81.140:80 | 199.58.81.140 | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 172.67.74.152:443 | api.ipify.org | tcp |
| NL | 45.66.35.11:80 | 45.66.35.11 | tcp |
| SG | 129.126.111.54:443 | tcp | |
| US | 8.8.8.8:53 | time-a.nist.gov | udp |
| US | 129.6.15.28:13 | time-a.nist.gov | tcp |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| DE | 202.61.241.225:443 | tcp | |
| NL | 45.66.35.11:80 | 45.66.35.11 | tcp |
| NL | 77.221.159.193:443 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsj99F0.tmp\System.dll
| MD5 | fccff8cb7a1067e23fd2e2b63971a8e1 |
| SHA1 | 30e2a9e137c1223a78a0f7b0bf96a1c361976d91 |
| SHA256 | 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e |
| SHA512 | f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c |
memory/2616-7-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-9-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-10-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-11-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-12-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-14-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-13-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-16-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-15-0x0000000000350000-0x00000000003EF000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
| MD5 | b4cd27f2b37665f51eb9fe685ec1d373 |
| SHA1 | 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0 |
| SHA256 | 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581 |
| SHA512 | e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e |
C:\Users\Admin\AppData\Local\Temp\x64btit.txt
| MD5 | d49bdfbe3a306999e2720a8a5c465ab1 |
| SHA1 | 703d76c9809fee8f80f34425231f6c1e4918d893 |
| SHA256 | d5ab8c4c0c3d96819db21050ec689c23a412cbe8eecdecccb3f2aef8c989e249 |
| SHA512 | 53eab08fc53d9c8f790590b7061d5af22ebd5ea66ef84464fe3a22d39b1a435ce2eedb6c950905c4cb0eaad03f31a6691fba239f982dd6bd31aac6db9e4e8e39 |
memory/2616-24-0x0000000010000000-0x0000000010015000-memory.dmp
memory/2616-26-0x00000000007A0000-0x00000000007BE000-memory.dmp
memory/2616-29-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-28-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-32-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-33-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-38-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-43-0x0000000000350000-0x00000000003EF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-23 04:34
Reported
2024-11-23 04:36
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
94s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4332 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe |
| PID 4332 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe |
| PID 4332 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe | C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe
"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe
"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4332 -ip 4332
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 952
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 102.208.201.84.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nshBF2A.tmp\System.dll
| MD5 | fccff8cb7a1067e23fd2e2b63971a8e1 |
| SHA1 | 30e2a9e137c1223a78a0f7b0bf96a1c361976d91 |
| SHA256 | 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e |
| SHA512 | f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c |