Overview
overview
3Static
static
untitled folder.zip
windows7_x64
1untitled folder.zip
windows10-2004_x64
1__MACOSX/u..._store
windows7_x64
3__MACOSX/u..._store
windows10-2004_x64
3untitled f..._store
windows7_x64
3untitled f..._store
windows10-2004_x64
3untitled f...1).dll
windows7_x64
3untitled f...1).dll
windows10-2004_x64
3untitled folder/1.jpg
windows7_x64
1untitled folder/1.jpg
windows10-2004_x64
3untitled f...1).dll
windows7_x64
1untitled f...1).dll
windows10-2004_x64
1untitled folder/2.jpg
windows7_x64
1untitled folder/2.jpg
windows10-2004_x64
3untitled f...1).dll
windows7_x64
3untitled f...1).dll
windows10-2004_x64
3untitled folder/3.jpg
windows7_x64
1untitled folder/3.jpg
windows10-2004_x64
3untitled f...80.cab
windows7_x64
1untitled f...80.cab
windows10-2004_x64
1untitled f...c3.cab
windows7_x64
1untitled f...c3.cab
windows10-2004_x64
1untitled f...1f.cab
windows7_x64
1untitled f...1f.cab
windows10-2004_x64
1untitled f...1).dll
windows7_x64
3untitled f...1).dll
windows10-2004_x64
3untitled folder/4.jpg
windows7_x64
1untitled folder/4.jpg
windows10-2004_x64
3untitled f...1).dll
windows7_x64
1untitled f...1).dll
windows10-2004_x64
1untitled folder/5.jpg
windows7_x64
1untitled folder/5.jpg
windows10-2004_x64
3Analysis
-
max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 03:44
Static task
static1
Behavioral task
behavioral1
Sample
untitled folder.zip
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
untitled folder.zip
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
__MACOSX/untitled folder/._.ds_store
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
__MACOSX/untitled folder/._.ds_store
Resource
win10v2004-20220414-en
Behavioral task
behavioral5
Sample
untitled folder/.ds_store
Resource
win7-20220414-en
Behavioral task
behavioral6
Sample
untitled folder/.ds_store
Resource
win10v2004-20220414-en
Behavioral task
behavioral7
Sample
untitled folder/1(1).dll
Resource
win7-20220414-en
Behavioral task
behavioral8
Sample
untitled folder/1(1).dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral9
Sample
untitled folder/1.jpg
Resource
win7-20220414-en
Behavioral task
behavioral10
Sample
untitled folder/1.jpg
Resource
win10v2004-20220414-en
Behavioral task
behavioral11
Sample
untitled folder/2(1).dll
Resource
win7-20220414-en
Behavioral task
behavioral12
Sample
untitled folder/2(1).dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral13
Sample
untitled folder/2.jpg
Resource
win7-20220414-en
Behavioral task
behavioral14
Sample
untitled folder/2.jpg
Resource
win10v2004-20220414-en
Behavioral task
behavioral15
Sample
untitled folder/3(1).dll
Resource
win7-20220414-en
Behavioral task
behavioral16
Sample
untitled folder/3(1).dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral17
Sample
untitled folder/3.jpg
Resource
win7-20220414-en
Behavioral task
behavioral18
Sample
untitled folder/3.jpg
Resource
win10v2004-20220414-en
Behavioral task
behavioral19
Sample
untitled folder/35969515_2975e5b79f9857b7a2d7aa07e0d43359735c8e80.cab
Resource
win7-20220414-en
Behavioral task
behavioral20
Sample
untitled folder/35969515_2975e5b79f9857b7a2d7aa07e0d43359735c8e80.cab
Resource
win10v2004-20220414-en
Behavioral task
behavioral21
Sample
untitled folder/35969516_5bcaf676a3e98426394e538836033ea5ce2bb8c3.cab
Resource
win7-20220414-en
Behavioral task
behavioral22
Sample
untitled folder/35969516_5bcaf676a3e98426394e538836033ea5ce2bb8c3.cab
Resource
win10v2004-20220414-en
Behavioral task
behavioral23
Sample
untitled folder/35969632_c422aaaf8becdd90e50fb6936708c77c7f97631f.cab
Resource
win7-20220414-en
Behavioral task
behavioral24
Sample
untitled folder/35969632_c422aaaf8becdd90e50fb6936708c77c7f97631f.cab
Resource
win10v2004-20220414-en
Behavioral task
behavioral25
Sample
untitled folder/4(1).dll
Resource
win7-20220414-en
Behavioral task
behavioral26
Sample
untitled folder/4(1).dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral27
Sample
untitled folder/4.jpg
Resource
win7-20220414-en
Behavioral task
behavioral28
Sample
untitled folder/4.jpg
Resource
win10v2004-20220414-en
Behavioral task
behavioral29
Sample
untitled folder/5(1).dll
Resource
win7-20220414-en
Behavioral task
behavioral30
Sample
untitled folder/5(1).dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral31
Sample
untitled folder/5.jpg
Resource
win7-20220414-en
Behavioral task
behavioral32
Sample
untitled folder/5.jpg
Resource
win10v2004-20220414-en
General
-
Target
untitled folder/.ds_store
-
Size
8KB
-
MD5
41b50c2c13a940d9d3f061017a24c2f4
-
SHA1
fa09471a46dc7d1b98c858f0d963d4a40eebd8ca
-
SHA256
f4d0a32752b1a4581905c1ef5fc19026c06e7230ef2bc62ff8870c291dab9d23
-
SHA512
cb973164bdf2bf9ab8a3d87f6be294e6fb238020dcd6059de4b0efa546ffbe44249606bafe29028211ca973dc310ee1b32e69791c08624445460b95042d09d0d
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 10 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\.ds_store rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\.ds_store\ = "ds_store_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\ds_store_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 280 AcroRd32.exe 280 AcroRd32.exe 280 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1096 wrote to memory of 952 1096 cmd.exe rundll32.exe PID 1096 wrote to memory of 952 1096 cmd.exe rundll32.exe PID 1096 wrote to memory of 952 1096 cmd.exe rundll32.exe PID 952 wrote to memory of 280 952 rundll32.exe AcroRd32.exe PID 952 wrote to memory of 280 952 rundll32.exe AcroRd32.exe PID 952 wrote to memory of 280 952 rundll32.exe AcroRd32.exe PID 952 wrote to memory of 280 952 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\untitled folder\.ds_store"1⤵
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\untitled folder\.ds_store2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:952 -
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\untitled folder\.ds_store"3⤵
- Suspicious use of SetWindowsHookEx
PID:280