Analysis Overview
SHA256
3c8acfa90eed5ab18fd669bea9d494d9fb96f964d9040ee03ff9889dbaada294
Threat Level: Known bad
The file ExternalRun.exe was found to be: Known bad.
Malicious Activity Summary
44Caliber
44caliber family
DiscordWebhook
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Checks SCSI registry key(s)
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-09 20:56
Signatures
44caliber family
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-09 20:56
Reported
2022-03-09 20:58
Platform
win7-20220223-en
Max time kernel
4294182s
Max time network
123s
Command Line
Signatures
44Caliber
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe
"C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.97.0:443 | freegeoip.app | tcp |
Files
memory/1752-54-0x0000000000A40000-0x0000000000A8A000-memory.dmp
memory/1752-55-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp
memory/1752-56-0x0000000000940000-0x0000000000942000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-09 20:56
Reported
2022-03-09 20:58
Platform
win10v2004-en-20220112
Max time kernel
107s
Max time network
92s
Command Line
Signatures
44Caliber
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
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 |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ExternalRun.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 |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Processes
C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe
"C:\Users\Admin\AppData\Local\Temp\ExternalRun.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
Network
| Country | Destination | Domain | Proto |
| US | 8.238.20.254:80 | tcp | |
| US | 8.238.20.254:80 | tcp | |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.96.0:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.137.103.96:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 104.80.224.57:443 | tcp | |
| US | 8.8.8.8:53 | api.msn.com | udp |
| US | 131.253.33.203:443 | api.msn.com | tcp |
Files
memory/3088-130-0x0000027B8D460000-0x0000027B8D4AA000-memory.dmp
memory/3088-131-0x00007FFB05F30000-0x00007FFB069F1000-memory.dmp
memory/3088-132-0x0000027B8F050000-0x0000027B8F052000-memory.dmp