Analysis
- max time kernel
352s - max time network
372s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
12/09/2024, 11:11
General
- Target 240902-lmnh8aybpa_pw_infected.zip
- Size 1.0MB
- Sample240912-naaspsshpa
- SHA256 1bd9b385e09c5918fd9ff7a15b4c5b874649c0e76f789448e742558723abfafc
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
EbayProfiles
-
5.8.88.191:443
-
sockartek.icu:443
-
QSR_MUTEX_0kBRNrRz5TDLEQouI0
-
encryption_key
MWhG6wsClMX8aJM2CVXT
-
install_name
winsock.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
win defender run
-
subdirectory
SubDir
Extracted
-
azorult
-
http://0x21.in:8000/_az/
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 3 IoCs
- Executes dropped EXE 4 IoCs
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected.zip1⤵
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Program Files\7-Zip\7zG.exe"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected\" -spe -an -ai#7zMap27756:138:7zEvent302291⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
-
C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"1⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 5003⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f4⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\240902-lmnh8aybpa_pw_infected\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
vnc.exe
windef.exe
memory/1580-23-0x0000000000FD0000-0x000000000102E000-memory.dmp
memory/1580-24-0x0000000005D40000-0x000000000623E000-memory.dmp
memory/1580-25-0x00000000058E0000-0x0000000005972000-memory.dmp
memory/1580-28-0x0000000005980000-0x00000000059E6000-memory.dmp
memory/1580-29-0x0000000005CF0000-0x0000000005D02000-memory.dmp
memory/1580-30-0x00000000068F0000-0x000000000692E000-memory.dmp
memory/2752-38-0x0000000006350000-0x000000000635A000-memory.dmp
memory/4380-13-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4380-19-0x0000000000400000-0x0000000000420000-memory.dmp