Overview
overview
3Static
static
1windows.7z
windows7-x64
3windows.7z
windows10-2004-x64
3Instructions.txt
windows7-x64
1Instructions.txt
windows10-2004-x64
1dividead_e...OWS.7z
windows7-x64
3dividead_e...OWS.7z
windows10-2004-x64
3dividead_win.exe
windows7-x64
1dividead_win.exe
windows10-2004-x64
1dividead_e...LLs.7z
windows7-x64
3dividead_e...LLs.7z
windows10-2004-x64
3dividead_l...cks.7z
windows7-x64
3dividead_l...cks.7z
windows10-2004-x64
3dividead_movies.7z
windows7-x64
3dividead_movies.7z
windows10-2004-x64
3Analysis
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max time kernel
150s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24/03/2023, 01:42
Static task
static1
Behavioral task
behavioral1
Sample
windows.7z
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
windows.7z
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Instructions.txt
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Instructions.txt
Resource
win10v2004-20230221-en
Behavioral task
behavioral5
Sample
dividead_engine_port_WINDOWS.7z
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
dividead_engine_port_WINDOWS.7z
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
dividead_win.exe
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
dividead_win.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
dividead_engine_port_WINDOWS_DLLs.7z
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
dividead_engine_port_WINDOWS_DLLs.7z
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
dividead_language_packs.7z
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
dividead_language_packs.7z
Resource
win10v2004-20230220-en
Behavioral task
behavioral13
Sample
dividead_movies.7z
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
dividead_movies.7z
Resource
win10v2004-20230220-en
General
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Target
dividead_movies.7z
-
Size
12.2MB
-
MD5
fbb46e9cb866f1838d340635e8a6be7b
-
SHA1
4f4b54bf5cdc89a3afed0aa81fa2a4b634267226
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SHA256
47c88ebc30076c6d959e66eab54f11f9e8a8e3f21931ba88e09e6b0e4df905f3
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SHA512
2211c9f602719a46fa09ac8de07edf9fbd1f79e75ef36ff75569524d28ef07aed7eda3ca5f790fb020ff8f4b7da92ac4b209e8b3dbae28b4eedfe64aa1e10640
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SSDEEP
393216:o/BBjJfXeR1RuTD1DJUisGYnwDzm+43vs:orjcR1AtDJFsGJc3U
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.7z\ = "7z_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.7z rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\7z_auto_file\shell rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1172 AcroRd32.exe 1172 AcroRd32.exe 1172 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1684 wrote to memory of 268 1684 cmd.exe 28 PID 1684 wrote to memory of 268 1684 cmd.exe 28 PID 1684 wrote to memory of 268 1684 cmd.exe 28 PID 268 wrote to memory of 1172 268 rundll32.exe 29 PID 268 wrote to memory of 1172 268 rundll32.exe 29 PID 268 wrote to memory of 1172 268 rundll32.exe 29 PID 268 wrote to memory of 1172 268 rundll32.exe 29
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\dividead_movies.7z1⤵
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dividead_movies.7z2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\dividead_movies.7z"3⤵
- Suspicious use of SetWindowsHookEx
PID:1172
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