Analysis
-
max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
-
submitted
08/10/2024, 20:24
General
-
Target
2024-10-08_ab00a457e7b7cfff6b4ff1c2c762d1e4_bkransomware.exe
-
Size
524KB
-
MD5
ab00a457e7b7cfff6b4ff1c2c762d1e4
-
SHA1
644f99a329e1928907973ade9bd9a181080f9145
-
SHA256
8e9fbb954ae7ccb9fb418cbfed9a618647c880ff44d1bc49add1adec70cdc13c
-
SHA512
d597d9e2bb5af923f49b8c3925458a806e1fe9bcefc5f9618882a768fc3a108a59a2f298d4b735f521e90c666e35bdf440dcd0b26405c9794e0868c7c37b374f
-
SSDEEP
6144:goyZmTAsfJFakxaLjcMkc0Cax1PlGp6bYA0w601+dNT9/0626ASkVOAFwPlGgrdE:goyIJsMPrP4p6bYboEdN3dxrdKX
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
-
Modifies firewall policy service 3 TTPs 3 IoCs
-
Sality
Sality is backdoor written in C++, first discovered in 2003.
-
UAC bypass 3 TTPs 1 IoCs
-
Windows security bypass 2 TTPs 6 IoCs
-
Windows security modification 2 TTPs 7 IoCs
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Drops file in Windows directory 2 IoCs
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 22 IoCs
-
Suspicious use of SetWindowsHookEx 3 IoCs
-
Suspicious use of WriteProcessMemory 4 IoCs
-
System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵
-
C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\2024-10-08_ab00a457e7b7cfff6b4ff1c2c762d1e4_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-08_ab00a457e7b7cfff6b4ff1c2c762d1e4_bkransomware.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
-
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
8KB
-
Filesize
8KB
-
Filesize
16.7MB
-
Filesize
16.7MB
-
Filesize
16.7MB
-
Filesize
16.7MB
-
Filesize
4KB
-
Filesize
16.7MB
-
Filesize
4KB
-
Filesize
16.7MB
-
Filesize
544KB
-
Filesize
16.7MB
-
Filesize
16.7MB
-
Filesize
16.7MB
-
Filesize
544KB
-
Filesize
16.7MB
-
Filesize
16.7MB