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
Detects executables Discord URL observed in first stage droppers
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 behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-11 15:30
Signatures
44caliber family
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables Discord URL observed in first stage droppers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-11 15:30
Reported
2022-03-11 15:31
Platform
win7-20220311-en
Max time kernel
4294106s
Max time network
18s
Command Line
Signatures
44Caliber
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables Discord URL observed in first stage droppers
| 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 | 188.114.96.0:443 | freegeoip.app | tcp |
Files
memory/1604-54-0x0000000001380000-0x00000000013CA000-memory.dmp
memory/1604-55-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp
memory/1604-56-0x000000001B0D0000-0x000000001B0D2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-11 15:30
Reported
2022-03-11 15:31
Platform
win10v2004-20220310-en
Max time kernel
53s
Max time network
55s
Command Line
Signatures
44Caliber
DiscordWebhook
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables Discord URL observed in first stage droppers
| 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 | licensing.mp.microsoft.com | udp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | storesdk.dsx.mp.microsoft.com | udp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
| US | 188.114.96.0:443 | freegeoip.app | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
Files
memory/4900-134-0x0000020D87490000-0x0000020D874DA000-memory.dmp
memory/4900-135-0x00007FFF2DB60000-0x00007FFF2E621000-memory.dmp
memory/4900-136-0x0000020DA2760000-0x0000020DA2762000-memory.dmp