Analysis
-
max time kernel
119s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
-
submitted
30-06-2024 20:13
General
-
Target
2024-06-30_f1ef6453b193cbb69a0049cbbbcd4455_bkransomware.exe
-
Size
528KB
-
MD5
f1ef6453b193cbb69a0049cbbbcd4455
-
SHA1
073ff3578e07754e16895603570fc76b986c4765
-
SHA256
c78c123e54741b61aa6d4628f04b5c583dba63c72b6c35223c5de8eeac69f96d
-
SHA512
3f55d39ee16907554d855d7ffd1b280c862454eefb95c56ea0cd25bf7cb02c0a308be471d3df4a6726ed26a1367ec21f35ccdab278b4be64a039b82a797cac6d
-
SSDEEP
6144:DoyZmTAsfJFakxaLjcMkc0Cax1PHGp6bYA0w601+dNT9/0626ASkVOAFhyFnUmr2:DoyIJsMPrPmp6bYboEdNDJAqOp
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
-
UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Windows security modification 2 TTPs 7 IoCs
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
Drops file in Windows directory 2 IoCs
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 20 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\2024-06-30_f1ef6453b193cbb69a0049cbbbcd4455_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-30_f1ef6453b193cbb69a0049cbbbcd4455_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
- 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 Matrix ATT&CK v13
Privilege Escalation
Create or Modify System Process
1Windows Service
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1112-13-0x0000000000220000-0x0000000000222000-memory.dmpFilesize
8KB
-
memory/2324-5-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-7-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-4-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-0-0x0000000000400000-0x0000000000489000-memory.dmpFilesize
548KB
-
memory/2324-10-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-6-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-3-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-25-0x0000000002FE0000-0x0000000002FE1000-memory.dmpFilesize
4KB
-
memory/2324-9-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-23-0x0000000002FE0000-0x0000000002FE1000-memory.dmpFilesize
4KB
-
memory/2324-22-0x0000000002F80000-0x0000000002F82000-memory.dmpFilesize
8KB
-
memory/2324-1-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-8-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-29-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-11-0x0000000001DC0000-0x0000000002E7A000-memory.dmpFilesize
16.7MB
-
memory/2324-37-0x0000000000400000-0x0000000000489000-memory.dmpFilesize
548KB