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
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max time kernel
101s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-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/docs 06.02.2021.docm
-
Size
43KB
-
MD5
f08771b9fdfe82caaa089641e2348c8e
-
SHA1
b02c121597c9d56d7fab76b54834d5f3bd961e8c
-
SHA256
cc721111b5924cfeb91440ecaccc60ecc30d10fffbdab262f7c0a17027f527d1
-
SHA512
3bb2b582e7119c346473f78056f95e0890a3e74976de733739af9aaef810c4e62b35d7f81ec52acfbf675d3d501a048a36fa323ef76ee8843502424211b46ebd
-
SSDEEP
768:u5WkgUEeFPIlj5oQ0fUDjxXSwU/+BtgKpyAAlQg6DPLFXS:plekVoQTCFmgKpslepC
Malware Config
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 1236 2936 explorer.exe WINWORD.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 2936 WINWORD.EXE 2936 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 15 IoCs
Processes:
WINWORD.EXEpid process 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE 2936 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
WINWORD.EXEexplorer.exedescription pid process target process PID 2936 wrote to memory of 1236 2936 WINWORD.EXE explorer.exe PID 2936 wrote to memory of 1236 2936 WINWORD.EXE explorer.exe PID 456 wrote to memory of 3624 456 explorer.exe mshta.exe PID 456 wrote to memory of 3624 456 explorer.exe mshta.exe PID 456 wrote to memory of 3624 456 explorer.exe mshta.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\docs 06.02.2021.docm" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer collectionBoxConst.hta2⤵
- Process spawned unexpected child process
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mshta.exe"C:\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}2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\collectionBoxConst.htaFilesize
3KB
MD599a1a4391c6be3ac5f137c0a092d8edd
SHA134afc663a569d0ba183c73ab40ae8d682273d193
SHA256b25865183c5cd2c5e550aca8476e592b62ed3e37e6b628f955bbed454fdbb100
SHA51245e5b38d72add4d28234b539071a3cb4059c9c104b5389a43190fd3197843e103fdaf7552c1edcb9bbbabe15b122a8bef0389ce39d6130b438a835c4c2d4f345
-
memory/1236-139-0x0000000000000000-mapping.dmp
-
memory/2936-138-0x00007FF9FED70000-0x00007FF9FED80000-memory.dmpFilesize
64KB
-
memory/2936-135-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-136-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-137-0x00007FF9FED70000-0x00007FF9FED80000-memory.dmpFilesize
64KB
-
memory/2936-132-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-134-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-133-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-143-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-144-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-145-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/2936-146-0x00007FFA01630000-0x00007FFA01640000-memory.dmpFilesize
64KB
-
memory/3624-141-0x0000000000000000-mapping.dmp