Overview
overview
10Static
static
8challenge-...64.dll
windows7-x64
10challenge-...64.dll
windows10-2004-x64
10challenge-...st.hta
windows7-x64
1challenge-...st.hta
windows10-2004-x64
5challenge-...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
3Analysis
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max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 23:10
Behavioral task
behavioral1
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
challenge-files/challenge-files/Tetoomdu64.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
challenge-files/challenge-files/collectionBoxConst.hta
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
challenge-files/challenge-files/collectionBoxConst.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral7
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
challenge-files/challenge-files/docs 06.02.2021.docm
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
challenge-files/challenge-files/infection-traffic.pcap
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
challenge-files/challenge-files/infection-traffic.pcap
Resource
win10v2004-20220812-en
General
-
Target
challenge-files/challenge-files/collectionBoxConst.hta
-
Size
3KB
-
MD5
99a1a4391c6be3ac5f137c0a092d8edd
-
SHA1
34afc663a569d0ba183c73ab40ae8d682273d193
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SHA256
b25865183c5cd2c5e550aca8476e592b62ed3e37e6b628f955bbed454fdbb100
-
SHA512
45e5b38d72add4d28234b539071a3cb4059c9c104b5389a43190fd3197843e103fdaf7552c1edcb9bbbabe15b122a8bef0389ce39d6130b438a835c4c2d4f345
Malware Config
Signatures
-
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C7852F70-6DC0-4BB6-84B6-BF0EBD8EFCDC}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C29FE306-66AE-40AE-87AF-53338A75C850}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\collectionBoxConst.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry