Analysis Overview
SHA256
2f6ae770a5d56ed8a2cfe262e196363b5c80e58468c66ff36cdf9c75306c2c55
Threat Level: Known bad
The file qak.dll was found to be: Known bad.
Malicious Activity Summary
Qakbot/Qbot
Drops file in System32 directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-06-07 02:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-07 02:28
Reported
2023-06-07 02:31
Platform
win10v2004-20230220-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Qakbot/Qbot
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk | C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qak.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qak.dll,#1
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
"PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\Admin\AppData\Local\Temp'
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" .\qak.dll,next
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" .\qak.dll,next
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.146.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.103.197.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 20.189.173.9:443 | tcp | |
| US | 8.8.8.8:53 | 35.146.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.8.109.52.in-addr.arpa | udp |
Files
memory/2164-135-0x000001BDEE0A0000-0x000001BDEE0C2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_duffywp5.pbc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2164-145-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2164-146-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2164-147-0x000001BDEFBB0000-0x000001BDEFBF4000-memory.dmp
memory/2164-148-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2164-149-0x000001BDEFC80000-0x000001BDEFCF6000-memory.dmp
memory/2164-150-0x000001BDEE220000-0x000001BDEE23E000-memory.dmp
memory/2164-151-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2164-152-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2164-153-0x000001BDEE250000-0x000001BDEE260000-memory.dmp
memory/2152-156-0x00000000005E0000-0x00000000005E3000-memory.dmp
memory/2152-157-0x0000000002230000-0x0000000002254000-memory.dmp
memory/4036-162-0x0000000000C30000-0x0000000000C32000-memory.dmp
memory/4036-163-0x0000000000C00000-0x0000000000C24000-memory.dmp
memory/4036-169-0x0000000000C00000-0x0000000000C24000-memory.dmp
memory/4036-170-0x0000000000C00000-0x0000000000C24000-memory.dmp
memory/4036-171-0x0000000000C00000-0x0000000000C24000-memory.dmp
memory/4036-172-0x0000000000C00000-0x0000000000C24000-memory.dmp
memory/4036-173-0x0000000000C00000-0x0000000000C24000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-07 02:28
Reported
2023-06-07 02:31
Platform
win7-20230220-en
Max time kernel
31s
Max time network
34s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2008 wrote to memory of 1948 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qak.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qak.dll,#1