Overview
overview
10Static
static
8challenge-files.zip
windows7-x64
1challenge-files.zip
windows10-2004-x64
1challenge-...top.gz
windows7-x64
3challenge-...top.gz
windows10-2004-x64
3Stairs.txt
windows7-x64
1Stairs.txt
windows10-2004-x64
1challenge-...sk.txt
windows7-x64
1challenge-...sk.txt
windows10-2004-x64
1challenge-...64.dll
windows7-x64
10challenge-...64.dll
windows10-2004-x64
10challenge-...st.hta
windows7-x64
1challenge-...st.hta
windows10-2004-x64
1challenge-...st.dll
windows7-x64
10challenge-...st.dll
windows10-2004-x64
10challenge-...1.docm
windows7-x64
10challenge-...1.docm
windows10-2004-x64
10challenge-...se.dat
windows7-x64
3challenge-...se.dat
windows10-2004-x64
3Analysis
-
max time kernel
90s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2022 20:22
Behavioral task
behavioral1
Sample
challenge-files.zip
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
challenge-files.zip
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
Stairs.txt
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
Stairs.txt
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
challenge-files/challenge-files/2021-06-02-scheduled-task.txt
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
challenge-files/challenge-files/2021-06-02-scheduled-task.txt
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win7-20221111-en
Behavioral task
behavioral10
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win7-20220901-en
Behavioral task
behavioral12
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win7-20220812-en
Behavioral task
behavioral14
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win7-20221111-en
Behavioral task
behavioral16
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
challenge-files/challenge-files/license.dat
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
challenge-files/challenge-files/license.dat
Resource
win10v2004-20220901-en
General
-
Target
challenge-files/challenge-files/license.dat
-
Size
333KB
-
MD5
3c6263a9c4117c78d26fc4380af014f2
-
SHA1
eca410dd57af16227220e08067c1895c258eb92b
-
SHA256
29d2a8344bd725d7a8b43cc77a82b3db57a5226ce792ac4b37e7f73ec468510e
-
SHA512
0969cde0d327b9f4b2be708437aea2a1d7a9ba9482125e143ce25c6a2f07e8ee1fa9b23e12f4e88157305f59209e2a8b3a2b2e7eb143b114e3f0c95ba57a2e1a
-
SSDEEP
6144:zsBoiLlIorxTbp4o8x4It25elAQpB/lP3O21uZoXq8ZTipooUDFkPt8gi976D+se:YKIIMxTbp4otQAQpdl221U89ipTc4CRd
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-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 5028 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\license.dat1⤵
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx