Overview
overview
10Static
static
8challenge-...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-...c.pcap
windows7-x64
3challenge-...c.pcap
windows10-2004-x64
3challenge-...se.dat
windows7-x64
3challenge-...se.dat
windows10-2004-x64
3Analysis
-
max time kernel
66s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 18:24
Behavioral task
behavioral1
Sample
challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
Stairs.txt
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
Stairs.txt
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
challenge-files/challenge-files/2021-06-02-scheduled-task.txt
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
challenge-files/challenge-files/2021-06-02-scheduled-task.txt
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win7-20220812-en
Behavioral task
behavioral14
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
challenge-files/challenge-files/infection-traffic.pcap
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
challenge-files/challenge-files/infection-traffic.pcap
Resource
win10v2004-20220812-en
Behavioral task
behavioral17
Sample
challenge-files/challenge-files/license.dat
Resource
win7-20220901-en
Behavioral task
behavioral18
Sample
challenge-files/challenge-files/license.dat
Resource
win10v2004-20220812-en
General
-
Target
challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz
-
Size
730KB
-
MD5
0208817d1a0a9bd2b5ba9bb87eb934d6
-
SHA1
ba190c8cfba453e163dc0035ece7d3a1c0c4e08f
-
SHA256
ea872a29ed2189432ff3f8ce807412eaa200928fadf9eb918518be5d5bd0ca1e
-
SHA512
2a4c26bee05c2d1f0e5629fa692d3bd41540e04dbc690604c050f72a03cab9bafff7dd4a7ae8587b59fed77211c1c1f278b6a3b860a0ec6c1846199a971174b5
-
SSDEEP
12288:yKKYkbSL7/TaiQmAyBkK2hA2nczTsoQ+g7GuFg5+GAoWv6RbrjUyHzvyTA:xK7SL6LmAyBk1A2nqBsGT5W6RbrjJzKA
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-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 1300 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\2021-06-02-fake-gzip-file-from-supplementik.top.gz1⤵
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx