Analysis Overview
SHA256
d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0
Threat Level: Known bad
The file docbit20230908.exe.2 was found to be: Known bad.
Malicious Activity Summary
BitRAT
Executes dropped EXE
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-14 00:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-14 00:12
Reported
2023-10-14 11:58
Platform
win7-20230831-en
Max time kernel
170s
Max time network
231s
Command Line
Signatures
BitRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| 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\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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2720 set thread context of 3028 | N/A | C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 592 set thread context of 2464 | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe
"C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\system32\taskeng.exe
taskeng.exe {7A35926A-682F-44C1-88D2-40ACFB026684} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | homesafe1000.duckdns.org | udp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| US | 8.8.8.8:53 | homesafe1000.duckdns.org | udp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
Files
memory/2720-0-0x0000000074830000-0x0000000074F1E000-memory.dmp
memory/2720-1-0x0000000000270000-0x0000000000672000-memory.dmp
memory/2720-2-0x0000000074830000-0x0000000074F1E000-memory.dmp
memory/2720-3-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2720-4-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2720-5-0x00000000052E0000-0x00000000056A8000-memory.dmp
memory/3028-6-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-8-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-10-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-11-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-12-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-13-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-14-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3028-17-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-19-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-21-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-23-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-25-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-27-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-29-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-31-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-33-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2720-36-0x0000000074830000-0x0000000074F1E000-memory.dmp
memory/3028-35-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-37-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-40-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-41-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-43-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-42-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-45-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-47-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-48-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-49-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-50-0x0000000000400000-0x00000000007CE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | e54ec6479e3138bf224e9323cd0bced5 |
| SHA1 | af0239101f1ce052b4024a2ffcea9c43d814187c |
| SHA256 | e244241533d5c472062fd5ed828b05d7a2b04d6b83b0df71aec9ddbfdacab731 |
| SHA512 | 8254beb478cc6d4e5ec15cefc9cb29bcc33f96ca24baa11f1fa87f04106078d0cb80f7a1c2a77e53be693bb9b66a92d7210045e5637506cc2755f0ed5580a8db |
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 3091b224d4f12107ba1f1002153483dc |
| SHA1 | 78dbbe8d152e5219b8414daf845eea53efced540 |
| SHA256 | 9d1c5f1728dc56d680d4b80b23dbc9a0ba09eb3aabf01131af7ce0a0cd4d18ad |
| SHA512 | b9a1a4c5fb967a6542d38c17980d9453ca20290688758668f6dbc854207541356e8711e64efd0cfa0749b33cab385ba2e55c9c8eee1598e5b6fd3db23d56e8c9 |
memory/592-53-0x0000000073530000-0x0000000073C1E000-memory.dmp
memory/592-54-0x0000000001010000-0x0000000001412000-memory.dmp
memory/592-55-0x0000000004D50000-0x0000000004D90000-memory.dmp
memory/3028-56-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-58-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/592-57-0x0000000073530000-0x0000000073C1E000-memory.dmp
memory/592-59-0x0000000004D50000-0x0000000004D90000-memory.dmp
memory/3028-60-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/3028-61-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2464-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/592-84-0x0000000073530000-0x0000000073C1E000-memory.dmp
memory/2464-91-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2464-94-0x0000000000400000-0x00000000007CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-14 00:12
Reported
2023-10-14 12:06
Platform
win10v2004-20230915-en
Max time kernel
598s
Max time network
670s
Command Line
Signatures
BitRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| 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\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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4260 set thread context of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe
"C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.50.123.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | homesafe1000.duckdns.org | udp |
| US | 8.8.8.8:53 | homesafe1000.duckdns.org | udp |
Files
memory/4260-0-0x0000000000590000-0x0000000000992000-memory.dmp
memory/4260-1-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4260-2-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4260-3-0x00000000053A0000-0x00000000053B0000-memory.dmp
memory/4260-4-0x00000000053A0000-0x00000000053B0000-memory.dmp
memory/4260-5-0x00000000055B0000-0x0000000005978000-memory.dmp
memory/4480-6-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4260-10-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4480-9-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-8-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-12-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-14-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-16-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-18-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-20-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-22-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-24-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-25-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-28-0x0000000074270000-0x00000000742A9000-memory.dmp
memory/4480-29-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-30-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-31-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-32-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-33-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-34-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4480-35-0x0000000000400000-0x00000000007CE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 81e0872e2be9487534ddd879b05e6f62 |
| SHA1 | f97c783cb79036a9f2ff27e70a182f1b6919da18 |
| SHA256 | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0 |
| SHA512 | 40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90 |