Overview
overview
10Static
static
RRCG61.zip
windows10-1703-x64
1RRCG61.vhd
windows10-1703-x64
3RR.lnk
windows10-1703-x64
10System Vol...gs.dat
windows10-1703-x64
3unutterabl...ns.cmd
windows10-1703-x64
1unutterabl...ed.cmd
windows10-1703-x64
1unutterabl...le.txt
windows10-1703-x64
1unutterably/swam.dll
windows10-1703-x64
10Analysis
-
max time kernel
49s -
max time network
68s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
08-12-2022 16:20
Static task
static1
Behavioral task
behavioral1
Sample
RRCG61.zip
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
RRCG61.vhd
Resource
win10-20220812-en
Behavioral task
behavioral3
Sample
RR.lnk
Resource
win10-20220901-en
Behavioral task
behavioral4
Sample
System Volume Information/WPSettings.dat
Resource
win10-20220812-en
Behavioral task
behavioral5
Sample
unutterably/felons.cmd
Resource
win10-20220812-en
Behavioral task
behavioral6
Sample
unutterably/offered.cmd
Resource
win10-20220812-en
Behavioral task
behavioral7
Sample
unutterably/satiable.txt
Resource
win10-20220812-en
General
-
Target
System Volume Information/WPSettings.dat
-
Size
12B
-
MD5
68d22fccf83d70bcb06b00d605a00f31
-
SHA1
313dc62df59402543944ce418afefe9d96f85730
-
SHA256
592bc508e4f439d39c4954b0993ca8a3430726b8d648f75502b7f4bfb7771643
-
SHA512
7ecd55329c020ece2e5014cb21faaf7624ee3c3fbfc21b4495f170d14bd5b97f6f4f0f6538ab5ded097b3ac0e4d42bc04bba7059afa531a8c404fa69397496d9
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
Processes:
cmd.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 2836 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\System Volume Information\WPSettings.dat"1⤵
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx