Analysis Overview
SHA256
fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f
Threat Level: Known bad
The file fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Executes dropped EXE
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Runs net.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 06:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 06:14
Reported
2022-10-11 09:01
Platform
win7-20220812-en
Max time kernel
144s
Max time network
46s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe
"C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe"
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 06:14
Reported
2022-10-11 09:01
Platform
win10v2004-20220812-en
Max time kernel
148s
Max time network
156s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\InstallDir\help.exe | N/A |
| N/A | N/A | C:\Windows\InstallDir\help.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\help = "C:\\Windows\\InstallDir\\help.exe" | C:\Windows\InstallDir\help.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\help = "C:\\Windows\\InstallDir\\help.exe" | C:\Windows\InstallDir\help.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4380 set thread context of 4944 | N/A | C:\Windows\InstallDir\help.exe | C:\Windows\InstallDir\help.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir | C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe | N/A |
| File created | C:\Windows\InstallDir\help.exe | C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe | N/A |
| File opened for modification | C:\Windows\InstallDir\help.exe | C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe | N/A |
Enumerates physical storage devices
Runs net.exe
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeChangeNotifyPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: 33 | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: 34 | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: 35 | N/A | C:\Windows\InstallDir\help.exe | N/A |
| Token: 36 | N/A | C:\Windows\InstallDir\help.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\InstallDir\help.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe
"C:\Users\Admin\AppData\Local\Temp\fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f.exe"
C:\Windows\InstallDir\help.exe
C:\Windows\InstallDir\help.exe
C:\Windows\SysWOW64\cmd.exe
/c net stop MpsSvc
C:\Windows\InstallDir\help.exe
C:\Windows\InstallDir\help.exe
C:\Windows\SysWOW64\net.exe
net stop MpsSvc
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop MpsSvc
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 108.212.228.172:1231 | tcp | |
| IE | 13.69.239.72:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 108.212.228.172:1231 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 8.8.8.8:53 | f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
| US | 108.212.228.172:1231 | tcp | |
| US | 108.212.228.172:1231 | tcp | |
| US | 108.212.228.172:1231 | tcp | |
| US | 108.212.228.172:1231 | tcp |
Files
memory/4240-132-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/4380-133-0x0000000000000000-mapping.dmp
C:\Windows\InstallDir\help.exe
| MD5 | 65a87dffa5617ef83fa7e82df1d57e20 |
| SHA1 | be61d5cf9783929a606c17c48144b9346c2b2dee |
| SHA256 | fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f |
| SHA512 | 0828535c4678922fca86f861ea855efd7f418286d51431184ab1d896800f9f14db5be3058931ab77f182cb5bf77809fbcbe9fe7a7f8a7e246dae3c858bae877b |
C:\Windows\InstallDir\help.exe
| MD5 | 65a87dffa5617ef83fa7e82df1d57e20 |
| SHA1 | be61d5cf9783929a606c17c48144b9346c2b2dee |
| SHA256 | fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f |
| SHA512 | 0828535c4678922fca86f861ea855efd7f418286d51431184ab1d896800f9f14db5be3058931ab77f182cb5bf77809fbcbe9fe7a7f8a7e246dae3c858bae877b |
memory/2888-136-0x0000000000000000-mapping.dmp
memory/4944-137-0x0000000000000000-mapping.dmp
memory/4944-138-0x0000000000400000-0x00000000004B7000-memory.dmp
C:\Windows\InstallDir\help.exe
| MD5 | 65a87dffa5617ef83fa7e82df1d57e20 |
| SHA1 | be61d5cf9783929a606c17c48144b9346c2b2dee |
| SHA256 | fc785230d7610c48808ce0ca635ce4230b20984bb8068bd488b4efdadf40f64f |
| SHA512 | 0828535c4678922fca86f861ea855efd7f418286d51431184ab1d896800f9f14db5be3058931ab77f182cb5bf77809fbcbe9fe7a7f8a7e246dae3c858bae877b |
memory/4944-140-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/224-141-0x0000000000000000-mapping.dmp
memory/4944-142-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2324-143-0x0000000000000000-mapping.dmp
memory/4944-144-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4944-145-0x0000000000400000-0x00000000004B7000-memory.dmp