Analysis Overview
SHA256
c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36
Threat Level: Known bad
The file c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Checks whether UAC is enabled
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-29 01:56
Signatures
AutoIT Executable
| 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 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-29 01:56
Reported
2024-04-29 01:59
Platform
win10v2004-20240419-en
Max time kernel
148s
Max time network
148s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1096 set thread context of 4044 | N/A | C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2732 set thread context of 2196 | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2628 set thread context of 4476 | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe
"C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4277.tmp"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.4.4:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.4.4:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.4.4:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.4.4:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
Files
memory/1096-0-0x0000000003D00000-0x0000000003D01000-memory.dmp
memory/4044-2-0x00000000001B0000-0x00000000001E8000-memory.dmp
memory/4044-6-0x0000000073D40000-0x00000000742F1000-memory.dmp
memory/4044-8-0x00000000020E0000-0x00000000020F0000-memory.dmp
memory/4044-7-0x0000000073D40000-0x00000000742F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp4277.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
memory/4044-16-0x0000000073D40000-0x00000000742F1000-memory.dmp
memory/4044-17-0x0000000073D40000-0x00000000742F1000-memory.dmp
memory/4044-18-0x00000000020E0000-0x00000000020F0000-memory.dmp
C:\Users\Admin\WinSAT\igfxEM.exe
| MD5 | 2a09f22796068af9f846064ad8a324d1 |
| SHA1 | a768619316f896a719d144ad6ab7069baf8bdc59 |
| SHA256 | 3a33402f4eabcb2475e86ee1041af49e9d1fd69f95ea2229d8af3726b316ddea |
| SHA512 | e104ccdec7ad6f709cfb1908b1b18bca60784bffada78efb242f18a848fa4abb071d5e9c0061a46cc65e0e9f81c971314f18236f5db234ff13f16c3d2c9fe656 |
memory/2196-21-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\azroles.lnk
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/4476-30-0x0000000000590000-0x00000000005C8000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
| MD5 | 5b4789d01bb4d7483b71e1a35bce6a8b |
| SHA1 | de083f2131c9a763c0d1810c97a38732146cffbf |
| SHA256 | e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6 |
| SHA512 | 357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-29 01:56
Reported
2024-04-29 01:59
Platform
win7-20240220-en
Max time kernel
146s
Max time network
147s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
| N/A | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1724 set thread context of 2356 | N/A | C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2008 set thread context of 2004 | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1268 set thread context of 324 | N/A | C:\Users\Admin\WinSAT\igfxEM.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe
"C:\Users\Admin\AppData\Local\Temp\c3a4207fc483b8954711b149904c1c92e9b19648f7b00462a4e01a041d172f36.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1065.tmp"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
C:\Windows\system32\taskeng.exe
taskeng.exe {FD5543E9-8149-401B-B93A-B42AF358045A} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
| US | 8.8.8.8:53 | bnow.duckdns.org | udp |
| US | 192.169.69.26:4156 | bnow.duckdns.org | tcp |
Files
memory/1724-0-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/2356-1-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2356-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2356-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2356-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2356-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2356-10-0x00000000748E0000-0x0000000074E8B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1065.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
memory/2356-15-0x00000000009A0000-0x00000000009E0000-memory.dmp
memory/2356-19-0x00000000748E0000-0x0000000074E8B000-memory.dmp
memory/2356-20-0x00000000009A0000-0x00000000009E0000-memory.dmp
C:\Users\Admin\WinSAT\igfxEM.exe
| MD5 | 2a09f22796068af9f846064ad8a324d1 |
| SHA1 | a768619316f896a719d144ad6ab7069baf8bdc59 |
| SHA256 | 3a33402f4eabcb2475e86ee1041af49e9d1fd69f95ea2229d8af3726b316ddea |
| SHA512 | e104ccdec7ad6f709cfb1908b1b18bca60784bffada78efb242f18a848fa4abb071d5e9c0061a46cc65e0e9f81c971314f18236f5db234ff13f16c3d2c9fe656 |
C:\Users\Admin\azroles.lnk
| MD5 | 9bbfaae8d2d3cfee3543797706b51998 |
| SHA1 | 14fff96bb34825cdcaf6e18d3a01479002eb5837 |
| SHA256 | 0df33e3f1c2305fc9d0fa00fc00102c4ceef9d733a15786010321897aadf9441 |
| SHA512 | a443fef84c86e75d3b5e5f31e915373966d4b1265debfdfcf7627199dcb8d9049cfce36f4af808f68dea6e1a324dbcb8cccdb1b8a2250c1e3d2571f47ad37ac9 |
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |