Analysis Overview
SHA256
8cd446387f47cd667943aba6e1e636c36fe07fb2dbc0990201fb3552ca8077e4
Threat Level: Known bad
The file silence.rar was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Discordrat family
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-19 16:48
Signatures
Discordrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-19 16:48
Reported
2024-03-19 16:49
Platform
win10-20240221-en
Max time kernel
26s
Max time network
24s
Command Line
Signatures
Discord RAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\silence\silence-workspace.exe
"C:\Users\Admin\AppData\Local\Temp\silence\silence-workspace.exe"
C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE
"C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE"
C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE
"C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 162.159.133.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 8.8.8.8:53 | 234.133.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 104.26.0.5:443 | keyauth.win | tcp |
| N/A | 127.0.0.1:49785 | tcp | |
| N/A | 127.0.0.1:49787 | tcp | |
| US | 8.8.8.8:53 | geolocation-db.com | udp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| US | 8.8.8.8:53 | 233.128.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.0.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| DE | 159.89.102.253:443 | geolocation-db.com | tcp |
| GB | 173.222.13.40:80 | x2.c.lencr.org | tcp |
| US | 8.8.8.8:53 | 40.13.222.173.in-addr.arpa | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 253.102.89.159.in-addr.arpa | udp |
| US | 104.26.0.5:443 | keyauth.win | tcp |
| N/A | 127.0.0.1:49797 | tcp | |
| N/A | 127.0.0.1:49799 | tcp | |
| US | 20.231.121.79:80 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE
| MD5 | 6f9c42f940f854243a2f445c8cb750ec |
| SHA1 | aeed75218753dd1f184cc55ebbe8a1a80e5a59f3 |
| SHA256 | 15fbe5942c60d92081fa93d5444a7abb355dc917c9ea3a44585d5a4b4219e91a |
| SHA512 | 612bfac0a8a079a67e361e87ac6eaf9c9cc5a4940b5dd74ecb6c61e2811707b2e60e60ee70102622c0bb222b01a3aced82853d130d2f07075e8d629e33bb8cb2 |
C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE
| MD5 | 8b393057c5c9026495f8efbe7234b1c4 |
| SHA1 | 21aff93ce1ff29a961ac947cafd75b6994fb5ae8 |
| SHA256 | c100648181026be6dbce91beb36b5cd859563c4b0edd8e4a0aa5d60829467b30 |
| SHA512 | 57504769cff622817a129f4b0d235d2f148a381d588950949f0b0316c71aef46e3d0d17747a50a81a946e73af486962d52f23160fe937c1d6caf8db4b1996952 |
memory/4396-7-0x000002CCEC390000-0x000002CCEC3A8000-memory.dmp
memory/4396-10-0x000002CCEEAA0000-0x000002CCEEC62000-memory.dmp
memory/4396-11-0x00007FF808800000-0x00007FF8091EC000-memory.dmp
memory/4396-12-0x000002CCEC720000-0x000002CCEC730000-memory.dmp
memory/4396-14-0x000002CCEF2A0000-0x000002CCEF7C6000-memory.dmp
memory/4396-15-0x00007FF808800000-0x00007FF8091EC000-memory.dmp
memory/4396-16-0x000002CCEC720000-0x000002CCEC730000-memory.dmp