Analysis Overview
SHA256
bf9eb06db25ea1d3138b8e19a18d248df56a04200f9e54edfed850d018d2bb62
Threat Level: Known bad
The file run32dll.exe was found to be: Known bad.
Malicious Activity Summary
Osiris
Executes dropped EXE
Loads dropped DLL
Looks up external IP address via web service
Suspicious use of SetThreadContext
NSIS installer
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2020-11-03 08:47
Signatures
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
2020-11-03 08:47
Reported
2020-11-03 08:49
Platform
win7v20201028
Max time kernel
151s
Max time network
51s
Command Line
Signatures
Osiris
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\run32dll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1588 set thread context of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\run32dll.exe
"C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
C:\Users\Admin\AppData\Local\Temp\run32dll.exe
"C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 199.58.81.140:80 | 199.58.81.140 | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 50.19.252.36:443 | api.ipify.org | tcp |
| N/A | 91.219.239.92:80 | 91.219.239.92 | tcp |
| N/A | 205.185.119.222:443 | tcp | |
| N/A | 8.8.8.8:53 | time-a.nist.gov | udp |
| N/A | 129.6.15.28:13 | time-a.nist.gov | tcp |
| N/A | 51.38.69.210:80 | 51.38.69.210 | tcp |
| N/A | 46.4.115.73:80 | 46.4.115.73 | tcp |
| N/A | 198.98.52.119:80 | 198.98.52.119 | tcp |
| N/A | 176.123.7.102:80 | 176.123.7.102 | tcp |
| N/A | 95.217.97.138:80 | 95.217.97.138 | tcp |
| N/A | 45.32.240.31:443 | tcp | |
| N/A | 5.135.115.34:80 | 5.135.115.34 | tcp |
| N/A | 208.1.62.240:80 | 208.1.62.240 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsi392B.tmp\System.dll
| MD5 | fccff8cb7a1067e23fd2e2b63971a8e1 |
| SHA1 | 30e2a9e137c1223a78a0f7b0bf96a1c361976d91 |
| SHA256 | 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e |
| SHA512 | f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c |
memory/1240-1-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1240-2-0x00000000004016AE-mapping.dmp
memory/1240-3-0x0000000000400000-0x0000000000456000-memory.dmp
\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
| MD5 | b4cd27f2b37665f51eb9fe685ec1d373 |
| SHA1 | 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0 |
| SHA256 | 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581 |
| SHA512 | e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e |
memory/1224-5-0x0000000000000000-mapping.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 | d14b291f6e8814b43fc23eccb95575b7 |
| SHA1 | 1fa4f0356c229d180ffcbb0f3808a551f998555b |
| SHA256 | fe8e2a680adef9202cbee6f5ea7e94f3ea1f9194abaf1700f48ded4a9defad52 |
| SHA512 | 81b1630b76c0efddbd8bea0f58d33816e47411cdccd69f8a0138c4e2f942b85ef302b9d4639c698b52a56e198d11045bd0efbb6ff904751a1574b683ae74e57d |
memory/1240-8-0x00000000003E0000-0x00000000003FE000-memory.dmp
memory/1240-9-0x0000000000260000-0x0000000000261000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-11-03 08:47
Reported
2020-11-03 08:49
Platform
win10v20201028
Max time kernel
150s
Max time network
112s
Command Line
Signatures
Osiris
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\run32dll.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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2484 set thread context of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2484 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
| PID 2484 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
| PID 2484 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
| PID 2484 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\run32dll.exe |
| PID 2976 wrote to memory of 2760 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe |
| PID 2976 wrote to memory of 2760 | N/A | C:\Users\Admin\AppData\Local\Temp\run32dll.exe | C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\run32dll.exe
"C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
C:\Users\Admin\AppData\Local\Temp\run32dll.exe
"C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 131.188.40.189:80 | 131.188.40.189 | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 50.19.252.36:443 | api.ipify.org | tcp |
| N/A | 94.100.6.27:80 | 94.100.6.27 | tcp |
| N/A | 45.66.156.158:443 | tcp | |
| N/A | 8.8.8.8:53 | time-a.nist.gov | udp |
| N/A | 129.6.15.28:13 | time-a.nist.gov | tcp |
| N/A | 45.154.255.70:80 | 45.154.255.70 | tcp |
| N/A | 185.118.68.33:80 | 185.118.68.33 | tcp |
| N/A | 45.154.255.69:80 | 45.154.255.69 | tcp |
| N/A | 45.125.166.58:80 | 45.125.166.58 | tcp |
| N/A | 129.13.131.140:80 | 129.13.131.140 | tcp |
| N/A | 84.213.80.214:443 | tcp | |
| N/A | 37.59.76.253:80 | 37.59.76.253 | tcp |
| N/A | 51.15.54.117:80 | 51.15.54.117 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsiA82D.tmp\System.dll
| MD5 | fccff8cb7a1067e23fd2e2b63971a8e1 |
| SHA1 | 30e2a9e137c1223a78a0f7b0bf96a1c361976d91 |
| SHA256 | 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e |
| SHA512 | f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c |
memory/2976-1-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2976-2-0x00000000004016AE-mapping.dmp
memory/2976-3-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2760-5-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
| MD5 | b4cd27f2b37665f51eb9fe685ec1d373 |
| SHA1 | 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0 |
| SHA256 | 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581 |
| SHA512 | e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e |
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 | efe080540179c771d3f5fb83ed67a6c6 |
| SHA1 | 880d14b09dd8243bce981a589c8d0ba2d5917247 |
| SHA256 | 1f04cc948752ccf1534fe74074d043a9acab0c02802d1ba8d1aa5d562779dc7a |
| SHA512 | efac3dfaf3407eaa7604d9ca424f310df103430767e16c91b203d1d3f7a5f31729173d82d709db52f9b12133b16f0b7b2c66344e79c91cde499544c08964e5c1 |