Analysis Overview
SHA256
4a78df270fc9b84c19ddcd0896d7147ae0e4aad88613cd49b350dbd75f04ef25
Threat Level: Known bad
The file desktop.ini was found to be: Known bad.
Malicious Activity Summary
IcedID, BokBot
Blocklisted process makes network request
Program crash
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-12-15 10:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-15 10:53
Reported
2022-12-15 10:58
Platform
win7-20220812-en
Max time kernel
268s
Max time network
272s
Command Line
Signatures
IcedID, BokBot
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\rundll32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1912 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1912 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1912 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 924 wrote to memory of 1976 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 924 wrote to memory of 1976 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 924 wrote to memory of 1976 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 924 wrote to memory of 1648 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 924 wrote to memory of 1648 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 924 wrote to memory of 1648 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\desktop.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1912 -s 84
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
\??\c:\Windows\System32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\destop.dll, init
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x1a0
\??\c:\Windows\System32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\desktop.dll, init
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | klepdrafooip.com | udp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
Files
memory/1896-54-0x0000000000000000-mapping.dmp
memory/1976-55-0x0000000000000000-mapping.dmp
memory/1648-56-0x0000000000000000-mapping.dmp
memory/1648-57-0x0000000180000000-0x0000000180009000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-12-15 10:53
Reported
2022-12-15 10:58
Platform
win10v2004-20221111-en
Max time kernel
259s
Max time network
293s
Command Line
Signatures
IcedID, BokBot
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\rundll32.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings | C:\Windows\explorer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
| N/A | N/A | \??\c:\Windows\System32\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1240 wrote to memory of 2436 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
| PID 1240 wrote to memory of 2436 | N/A | C:\Windows\system32\cmd.exe | \??\c:\Windows\System32\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\desktop.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 432 -p 4652 -ip 4652
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4652 -s 328
C:\Windows\explorer.exe
"C:\Windows\explorer.exe" shell:::{52205fd8-5dfb-447d-801a-d0b52f2e83e1}
C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
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\cmd.exe
"C:\Windows\system32\cmd.exe"
\??\c:\Windows\System32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\desktop.dll,init
Network
| Country | Destination | Domain | Proto |
| N/A | 8.248.7.254:80 | tcp | |
| N/A | 8.248.7.254:80 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 8.248.7.254:80 | tcp | |
| N/A | 8.8.8.8:53 | klepdrafooip.com | udp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
| N/A | 143.198.92.88:80 | klepdrafooip.com | tcp |
Files
memory/2436-132-0x0000000000000000-mapping.dmp
memory/2436-133-0x0000000180000000-0x0000000180009000-memory.dmp