Analysis Overview
SHA256
28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1
Threat Level: Known bad
The file 28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1 was found to be: Known bad.
Malicious Activity Summary
Suspicious use of NtCreateUserProcessOtherParentProcess
Rhadamanthys
Suspicious use of SetThreadContext
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-26 18:32
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-26 18:32
Reported
2024-03-26 18:35
Platform
win10v2004-20240319-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 4504 created 2492 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\system32\sihost.exe |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2480 set thread context of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe
"C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\dialer.exe
"C:\Windows\system32\dialer.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4504 -ip 4504
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 588
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4504 -ip 4504
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 608
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5032 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| GB | 13.105.221.16:443 | tcp | |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
Files
memory/2480-0-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/2480-1-0x0000000000960000-0x00000000009D0000-memory.dmp
memory/4504-4-0x0000000000400000-0x000000000046D000-memory.dmp
memory/4504-8-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2480-9-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/2480-10-0x0000000002DB0000-0x0000000004DB0000-memory.dmp
memory/4504-11-0x0000000000400000-0x000000000046D000-memory.dmp
memory/4504-12-0x0000000003890000-0x0000000003C90000-memory.dmp
memory/4504-13-0x0000000003890000-0x0000000003C90000-memory.dmp
memory/4504-14-0x0000000003890000-0x0000000003C90000-memory.dmp
memory/4504-15-0x00007FFC64410000-0x00007FFC64605000-memory.dmp
memory/4504-17-0x0000000003890000-0x0000000003C90000-memory.dmp
memory/4504-18-0x0000000076220000-0x0000000076435000-memory.dmp
memory/3244-19-0x0000000000CD0000-0x0000000000CD9000-memory.dmp
memory/3244-21-0x00000000027F0000-0x0000000002BF0000-memory.dmp
memory/3244-22-0x00000000027F0000-0x0000000002BF0000-memory.dmp
memory/3244-23-0x00007FFC64410000-0x00007FFC64605000-memory.dmp
memory/3244-24-0x00000000027F0000-0x0000000002BF0000-memory.dmp
memory/3244-26-0x0000000076220000-0x0000000076435000-memory.dmp
memory/3244-27-0x00000000027F0000-0x0000000002BF0000-memory.dmp
memory/4504-28-0x0000000003890000-0x0000000003C90000-memory.dmp
memory/2480-29-0x0000000002DB0000-0x0000000004DB0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-26 18:32
Reported
2024-03-26 18:35
Platform
win7-20240221-en
Max time kernel
118s
Max time network
129s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2504 created 1212 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Explorer.EXE |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2300 set thread context of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe
"C:\Users\Admin\AppData\Local\Temp\28fa3eeb30117a0f4db4a0b85ac98bb6c9587d7c48d0fee091522cae66564ea1.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\dialer.exe
"C:\Windows\system32\dialer.exe"
Network
Files
memory/2300-0-0x0000000000EF0000-0x0000000000F60000-memory.dmp
memory/2300-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp
memory/2504-4-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-5-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2300-6-0x0000000002360000-0x0000000004360000-memory.dmp
memory/2504-8-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-7-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-10-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-9-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-13-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2504-17-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2300-16-0x00000000745D0000-0x0000000074CBE000-memory.dmp
memory/2504-18-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2504-19-0x00000000033C0000-0x00000000037C0000-memory.dmp
memory/2504-20-0x00000000033C0000-0x00000000037C0000-memory.dmp
memory/2504-21-0x00000000033C0000-0x00000000037C0000-memory.dmp
memory/2504-22-0x00000000773D0000-0x0000000077579000-memory.dmp
memory/2504-24-0x0000000075480000-0x00000000754C7000-memory.dmp
memory/2504-25-0x00000000033C0000-0x00000000037C0000-memory.dmp
memory/2656-26-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2504-27-0x00000000033C0000-0x00000000037C0000-memory.dmp
memory/2656-29-0x0000000001DC0000-0x00000000021C0000-memory.dmp
memory/2656-30-0x0000000001DC0000-0x00000000021C0000-memory.dmp
memory/2656-31-0x00000000773D0000-0x0000000077579000-memory.dmp
memory/2656-33-0x0000000001DC0000-0x00000000021C0000-memory.dmp
memory/2656-35-0x00000000773D0000-0x0000000077579000-memory.dmp
memory/2656-34-0x0000000075480000-0x00000000754C7000-memory.dmp
memory/2656-36-0x0000000001DC0000-0x00000000021C0000-memory.dmp