Analysis Overview
SHA256
df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731
Threat Level: Known bad
The file ghjkl.exe was found to be: Known bad.
Malicious Activity Summary
Arkei
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Executes dropped EXE
Downloads MZ/PE file
Checks computer location settings
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-07 04:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-07 04:09
Reported
2022-05-07 04:15
Platform
win7-20220414-en
Max time kernel
148s
Max time network
179s
Command Line
Signatures
Arkei
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\azne.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1312 set thread context of 1588 | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\azne.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
"C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Users\Admin\AppData\Roaming\azne.exe
"C:\Users\Admin\AppData\Roaming\azne.exe"
Network
| Country | Destination | Domain | Proto |
| SC | 185.215.113.89:80 | 185.215.113.89 | tcp |
| US | 8.8.8.8:53 | rockrock.ug | udp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
Files
memory/1312-54-0x00000000009F0000-0x0000000000A0E000-memory.dmp
memory/1312-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
memory/1312-56-0x0000000008800000-0x0000000008964000-memory.dmp
memory/1312-57-0x0000000004C90000-0x0000000004CD8000-memory.dmp
memory/1588-58-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-59-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-61-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-63-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-64-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-66-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-68-0x000000000043C0B2-mapping.dmp
memory/1588-67-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-70-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-71-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1588-73-0x0000000060900000-0x0000000060992000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
memory/1912-98-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
C:\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
memory/1912-101-0x00000000003D0000-0x00000000003EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-07 04:09
Reported
2022-05-07 04:15
Platform
win10v2004-20220414-en
Max time kernel
135s
Max time network
163s
Command Line
Signatures
Arkei
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 968 set thread context of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ghjkl.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
"C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4504 -ip 4504
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1300
Network
| Country | Destination | Domain | Proto |
| NL | 20.190.160.136:443 | tcp | |
| US | 20.189.173.4:443 | tcp | |
| NL | 20.190.160.69:443 | tcp | |
| NL | 20.190.160.6:443 | tcp | |
| IE | 20.54.89.15:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.123.41.162:80 | tcp | |
| NL | 20.190.160.2:443 | tcp | |
| SC | 185.215.113.89:80 | 185.215.113.89 | tcp |
| US | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| NL | 20.190.160.4:443 | tcp | |
| US | 8.8.8.8:53 | d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
| US | 8.8.8.8:53 | rockrock.ug | udp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
| NL | 20.190.160.71:443 | tcp |
Files
memory/968-130-0x0000000000820000-0x000000000083E000-memory.dmp
memory/968-131-0x00000000057A0000-0x0000000005D44000-memory.dmp
memory/968-132-0x0000000005490000-0x0000000005522000-memory.dmp
memory/968-133-0x0000000005470000-0x000000000547A000-memory.dmp
memory/4504-134-0x0000000000000000-mapping.dmp
memory/4504-135-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4504-137-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4504-138-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4504-139-0x0000000060900000-0x0000000060992000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |