Analysis Overview
SHA256
f20a64541672d97ec70118b0c67818619dba66b6913c94b324507f5b801746f0
Threat Level: Known bad
The file wekrjl.dll was found to be: Known bad.
Malicious Activity Summary
Qakbot/Qbot
Drops file in System32 directory
Unsigned PE
Runs ping.exe
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-11 16:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-11 16:43
Reported
2023-05-11 16:46
Platform
win7-20230220-en
Max time kernel
128s
Max time network
152s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1680 wrote to memory of 1604 | 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\wekrjl.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wekrjl.dll,#1
C:\Windows\system32\verclsid.exe
"C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-11 16:43
Reported
2023-05-11 16:53
Platform
win10v2004-20230220-en
Max time kernel
571s
Max time network
585s
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 |
Gathers network information
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ipconfig.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ping.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\whoami.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wekrjl.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wekrjl.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" .\wekrjl.dll,print
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" .\wekrjl.dll,print
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\ping.exe
ping -n 3 yahoo.com
C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
C:\Windows\SysWOW64\whoami.exe
whoami /all
C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| NL | 142.250.179.142:443 | google.com | tcp |
| US | 67.177.41.245:443 | 67.177.41.245 | tcp |
| US | 8.8.8.8:53 | 142.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.168.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.36.251.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 245.41.177.67.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yekvyha.akq.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1444-140-0x0000015034AF0000-0x0000015034B12000-memory.dmp
memory/1444-145-0x000001504D250000-0x000001504D294000-memory.dmp
memory/1444-146-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/1444-147-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/1444-148-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/1444-149-0x000001504E2C0000-0x000001504E336000-memory.dmp
memory/1444-150-0x0000015034FF0000-0x000001503500E000-memory.dmp
memory/4372-152-0x00000000022D0000-0x00000000022D3000-memory.dmp
memory/4372-153-0x0000000010000000-0x0000000010024000-memory.dmp
memory/1444-158-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/1444-159-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/1444-160-0x000001504D2F0000-0x000001504D300000-memory.dmp
memory/4004-161-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-162-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-163-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-165-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-166-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-167-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-168-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-169-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-170-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-173-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-174-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-176-0x0000000000ED0000-0x0000000000EF4000-memory.dmp
memory/4004-188-0x0000000000ED0000-0x0000000000EF4000-memory.dmp