Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-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
Score
10/10
Malware Config
Extracted
Family
sality
C2
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 12 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 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of SetWindowsHookEx 3 IoCs
-
Suspicious use of WriteProcessMemory 15 IoCs
-
System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
-
C:\Windows\system32\sihost.exesihost.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
-
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}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\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵
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/4968-0-0x0000000000400000-0x0000000000489000-memory.dmpFilesize
548KB
-
memory/4968-1-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-2-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-16-0x00000000006C0000-0x00000000006C2000-memory.dmpFilesize
8KB
-
memory/4968-11-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-7-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-19-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-21-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-17-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-23-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-34-0x0000000000400000-0x0000000000489000-memory.dmpFilesize
548KB
-
memory/4968-18-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-20-0x00000000006C0000-0x00000000006C2000-memory.dmpFilesize
8KB
-
memory/4968-5-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-6-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB
-
memory/4968-9-0x0000000000C20000-0x0000000000C21000-memory.dmpFilesize
4KB
-
memory/4968-8-0x00000000006C0000-0x00000000006C2000-memory.dmpFilesize
8KB
-
memory/4968-4-0x00000000023F0000-0x00000000034AA000-memory.dmpFilesize
16.7MB