Analysis Overview
SHA256
63f380448e055bbd1c3cb696462fafb5f03a5228e97478cf356bbf6b55baf664
Threat Level: Known bad
The file Reject_Beta.exe was found to be: Known bad.
Malicious Activity Summary
Gozi
Loads dropped DLL
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-15 19:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-15 19:36
Reported
2024-03-15 19:39
Platform
win7-20240221-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2868 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2868 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2868 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2868 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe
"C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 592
Network
Files
memory/2868-0-0x00000000008A0000-0x00000000008AA000-memory.dmp
memory/2868-2-0x0000000074A20000-0x000000007510E000-memory.dmp
memory/2868-4-0x00000000048C0000-0x0000000004900000-memory.dmp
memory/2868-3-0x00000000002D0000-0x00000000002DA000-memory.dmp
memory/2868-1-0x00000000002B0000-0x00000000002CA000-memory.dmp
memory/2868-5-0x0000000074A20000-0x000000007510E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-15 19:36
Reported
2024-03-15 19:39
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Gozi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\wscript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | 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\Reject_Beta.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell\open\command\ = "wscript.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\jackbrowse278312.vbs" | C:\Windows\SysWOW64\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell\open\command | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell\open\command\DelegateExecute = "0" | C:\Windows\SysWOW64\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings | C:\Windows\system32\taskmgr.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell\open\command | C:\Windows\SysWOW64\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings | C:\Windows\SysWOW64\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell | C:\Windows\SysWOW64\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\ms-settings\shell\open | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe
"C:\Users\Admin\AppData\Local\Temp\Reject_Beta.exe"
C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\jackbrowse278312.vbs" /f
C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /v DelegateExecute /d "0" /f
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C computerdefaults.exe
C:\Windows\SysWOW64\ComputerDefaults.exe
computerdefaults.exe
C:\Windows\SysWOW64\wscript.exe
"wscript.exe" C:\Users\Admin\AppData\Local\Temp\jackbrowse278312.vbs
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C del C:\Windows\System32\drivers\etc\hosts
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C schtasks /Create /SC ONLOGON /TN GitHubDesktopUpdater_RozYMQIyb4lqyzUqC050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\Shell\RozYMQIyb4lqyzUqC050MX.exe" /RL HIGHEST /IT
C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /SC ONLOGON /TN GitHubDesktopUpdater_RozYMQIyb4lqyzUqC050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\Shell\RozYMQIyb4lqyzUqC050MX.exe" /RL HIGHEST /IT
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\System32\2rnllz.exe
"C:\Windows\System32\2rnllz.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 836 -ip 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 1812
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 52.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.108.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | textpubshiers.top | udp |
| US | 104.21.79.145:443 | textpubshiers.top | tcp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.79.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| GB | 96.17.179.37:80 | tcp | |
| GB | 96.17.179.37:80 | tcp | |
| GB | 96.17.179.37:80 | tcp | |
| US | 52.111.227.13:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| GB | 96.17.179.37:80 | tcp | |
| US | 8.8.8.8:53 | 24.134.221.88.in-addr.arpa | udp |
| GB | 96.17.179.37:80 | tcp |
Files
memory/836-0-0x0000000000550000-0x000000000055A000-memory.dmp
memory/836-1-0x0000000005620000-0x000000000563A000-memory.dmp
memory/836-2-0x0000000074B80000-0x0000000075330000-memory.dmp
memory/836-4-0x0000000005800000-0x0000000005810000-memory.dmp
memory/836-3-0x0000000003000000-0x000000000300A000-memory.dmp
memory/836-5-0x00000000056F0000-0x0000000005782000-memory.dmp
memory/836-6-0x0000000005DC0000-0x0000000006364000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jackbrowse278312.vbs
| MD5 | a34267102c21aff46aecc85598924544 |
| SHA1 | 77268af47c6a4b9c6be7f7487b2c9b233d49d435 |
| SHA256 | eba7ab5c248e46dbe70470b41ebf25a378b4eff9ce632adff927ac1f95583d44 |
| SHA512 | 5d320312b93b46c9051a20c82d6405a3f2c78b23adb3ab3e71aad854b65b500937de7ca2986cf79967386d689beecccf676d89afde8ecc5d5ad0cb4ae2bf38a3 |
memory/836-10-0x0000000074B80000-0x0000000075330000-memory.dmp
memory/836-11-0x0000000005800000-0x0000000005810000-memory.dmp
memory/836-12-0x000000000B3D0000-0x000000000BFD0000-memory.dmp
memory/2252-13-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-14-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-15-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-19-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-20-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-21-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-22-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-23-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-24-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/2252-25-0x0000019531B30000-0x0000019531B31000-memory.dmp
memory/836-26-0x0000000012160000-0x0000000012E02000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Costura\40BD99E3E2E3C109881E4ECA2DEDC617\32\sqlite.interop.dll
| MD5 | 6f2fdecc48e7d72ca1eb7f17a97e59ad |
| SHA1 | fcbc8c4403e5c8194ee69158d7e70ee7dbd4c056 |
| SHA256 | 70e48ef5c14766f3601c97451b47859fddcbe7f237e1c5200cea8e7a7609d809 |
| SHA512 | fea98a3d6fff1497551dc6583dd92798dcac764070a350fd381e856105a6411c94effd4b189b7a32608ff610422b8dbd6d93393c5da99ee66d4569d45191dc8b |
memory/836-32-0x0000000074B80000-0x0000000075330000-memory.dmp