Analysis Overview
SHA256
d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0
Threat Level: Known bad
The file docbit20230908.exe was found to be: Known bad.
Malicious Activity Summary
BitRAT
Executes dropped EXE
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-14 00:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-14 00:18
Reported
2023-10-14 12:01
Platform
win7-20230831-en
Max time kernel
147s
Max time network
158s
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 2412 set thread context of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 348 set thread context of 2800 | 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 schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
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\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 {B78B8073-EB2F-42CC-B170-E825A262ACE4} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\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 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\SysWOW64\cmd.exe
"cmd" /c copy "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 | homesafe1000.duckdns.org | udp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| NL | 79.110.62.151:1234 | homesafe1000.duckdns.org | tcp |
| 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 |
Files
memory/2412-0-0x0000000001030000-0x0000000001432000-memory.dmp
memory/2412-1-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/2412-2-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/2412-3-0x00000000053A0000-0x00000000053E0000-memory.dmp
memory/2412-4-0x00000000053A0000-0x00000000053E0000-memory.dmp
memory/2412-5-0x00000000056C0000-0x0000000005A88000-memory.dmp
memory/2816-6-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-7-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-8-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-9-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-10-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-11-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-12-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2816-15-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-17-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-19-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-21-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-23-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-25-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-27-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-29-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-31-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-33-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-34-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-35-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2412-36-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/2816-39-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-41-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-40-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-42-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-43-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-44-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-45-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-46-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-47-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-48-0x0000000000400000-0x00000000007CE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 81e0872e2be9487534ddd879b05e6f62 |
| SHA1 | f97c783cb79036a9f2ff27e70a182f1b6919da18 |
| SHA256 | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0 |
| SHA512 | 40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90 |
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 81e0872e2be9487534ddd879b05e6f62 |
| SHA1 | f97c783cb79036a9f2ff27e70a182f1b6919da18 |
| SHA256 | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0 |
| SHA512 | 40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90 |
memory/348-51-0x0000000073070000-0x000000007375E000-memory.dmp
memory/348-52-0x0000000000300000-0x0000000000702000-memory.dmp
memory/348-53-0x0000000002310000-0x0000000002350000-memory.dmp
memory/2816-54-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/348-55-0x0000000073070000-0x000000007375E000-memory.dmp
memory/348-57-0x0000000002310000-0x0000000002350000-memory.dmp
memory/2816-56-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-58-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-59-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/348-75-0x0000000073070000-0x000000007375E000-memory.dmp
memory/2816-76-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2816-77-0x0000000000400000-0x00000000007CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-14 00:18
Reported
2023-10-14 12:03
Platform
win10v2004-20230915-en
Max time kernel
190s
Max time network
159s
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 |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4788 set thread context of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1924 set thread context of 1456 | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.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 |
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 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\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3200 -ip 3200
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 540
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 schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
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\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1456 -ip 1456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 540
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 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.22.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.177.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 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 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.192.11.51.in-addr.arpa | udp |
Files
memory/4788-1-0x0000000000DA0000-0x00000000011A2000-memory.dmp
memory/4788-0-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4788-2-0x0000000005C50000-0x0000000005C60000-memory.dmp
memory/4788-3-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4788-4-0x0000000005C50000-0x0000000005C60000-memory.dmp
memory/4788-5-0x0000000005DD0000-0x0000000006198000-memory.dmp
memory/3200-7-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-12-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/4788-13-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/3200-17-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-18-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-19-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-20-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-21-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-22-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-23-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/3200-24-0x0000000000900000-0x0000000000CCE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 81e0872e2be9487534ddd879b05e6f62 |
| SHA1 | f97c783cb79036a9f2ff27e70a182f1b6919da18 |
| SHA256 | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0 |
| SHA512 | 40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90 |
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 81e0872e2be9487534ddd879b05e6f62 |
| SHA1 | f97c783cb79036a9f2ff27e70a182f1b6919da18 |
| SHA256 | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0 |
| SHA512 | 40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90 |
memory/1924-29-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/1924-30-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/1456-36-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1924-42-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/1456-40-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-43-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-44-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-45-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-46-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-47-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-48-0x0000000000790000-0x0000000000B5E000-memory.dmp
memory/1456-49-0x0000000000790000-0x0000000000B5E000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 9773176d5e3bda9579ec6cf73f0ae476 |
| SHA1 | d41e82d91e33353a42715129db983ec0b55912b1 |
| SHA256 | 1e8d38427d3678b858673495c26619b887c6c3922bf6d1b112e4e521629d2f1c |
| SHA512 | 45b702a750f90c17d383c3e5f844ac4fd0edc4b70bda989acf894fee6001520284cb654cb3f84badc871c3b17d37f9ee2740d42aea0824ec91821907e44d0aa2 |
memory/4000-51-0x0000000073C70000-0x0000000074420000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log
| MD5 | 4eaca4566b22b01cd3bc115b9b0b2196 |
| SHA1 | e743e0792c19f71740416e7b3c061d9f1336bf94 |
| SHA256 | 34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb |
| SHA512 | bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1 |