Overview
overview
8Static
static
3dependenci...h..bat
windows7-x64
8dependenci...h..bat
windows10-2004-x64
8dependenci...ll.bat
windows7-x64
7dependenci...ll.bat
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows7-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows7-x64
7dependenci...86.exe
windows10-2004-x64
7severe.exe
windows7-x64
7severe.exe
windows10-2004-x64
7Analysis
-
max time kernel
89s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
18-02-2024 02:05
Static task
static1
Behavioral task
behavioral1
Sample
dependencies/2024-1-12/auth..bat
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
dependencies/2024-1-12/auth..bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
dependencies/install_all.bat
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
dependencies/install_all.bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
dependencies/vcredist2005_x64.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
dependencies/vcredist2005_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
dependencies/vcredist2005_x86.exe
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
dependencies/vcredist2005_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
dependencies/vcredist2008_x64.exe
Resource
win7-20240215-en
Behavioral task
behavioral10
Sample
dependencies/vcredist2008_x64.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
dependencies/vcredist2008_x86.exe
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
dependencies/vcredist2008_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
dependencies/vcredist2010_x64.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
dependencies/vcredist2010_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
dependencies/vcredist2010_x86.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
dependencies/vcredist2010_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
dependencies/vcredist2012_x64.exe
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
dependencies/vcredist2012_x64.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
dependencies/vcredist2012_x86.exe
Resource
win7-20240215-en
Behavioral task
behavioral20
Sample
dependencies/vcredist2012_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
dependencies/vcredist2013_x64.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
dependencies/vcredist2013_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
dependencies/vcredist2013_x86.exe
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
dependencies/vcredist2013_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
dependencies/vcredist2015_2017_2019_2022_x64.exe
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
dependencies/vcredist2015_2017_2019_2022_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
dependencies/vcredist2015_2017_2019_2022_x86.exe
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
dependencies/vcredist2015_2017_2019_2022_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
severe.exe
Resource
win7-20231129-en
Behavioral task
behavioral30
Sample
severe.exe
Resource
win10v2004-20231215-en
General
-
Target
dependencies/vcredist2015_2017_2019_2022_x86.exe
-
Size
13.2MB
-
MD5
0d762264d9765e21c15a58edc43f4706
-
SHA1
64ce52d26d6930f5a110112487239e491ab1b1ee
-
SHA256
c61cef97487536e766130fa8714dd1b4143f6738bfb71806018eee1b5fe6f057
-
SHA512
a07dcabb588886c73865c8bde027d16ce9c8c14c480286f5697620c6d47f20727c208704047512e4ba55e9dc64ac7940b31910a7df0d1b7dc5569f37270f0441
-
SSDEEP
196608:lRjDvJcflpQcIIS/Rj7BWl+aV8t8z72BxBwBgO4CSMNRv8ESutOisJaxP4bFQ1KC:XDRSlptVYmfr7yBG/4bEXtOiHCFQbPlN
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
vcredist2015_2017_2019_2022_x86.exepid process 672 vcredist2015_2017_2019_2022_x86.exe -
Loads dropped DLL 1 IoCs
Processes:
vcredist2015_2017_2019_2022_x86.exepid process 672 vcredist2015_2017_2019_2022_x86.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
vcredist2015_2017_2019_2022_x86.exedescription pid process target process PID 3088 wrote to memory of 672 3088 vcredist2015_2017_2019_2022_x86.exe vcredist2015_2017_2019_2022_x86.exe PID 3088 wrote to memory of 672 3088 vcredist2015_2017_2019_2022_x86.exe vcredist2015_2017_2019_2022_x86.exe PID 3088 wrote to memory of 672 3088 vcredist2015_2017_2019_2022_x86.exe vcredist2015_2017_2019_2022_x86.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x86.exe"C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x86.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\Temp\{95D05AC9-AD8C-4615-829F-DDD9D42C9379}\.cr\vcredist2015_2017_2019_2022_x86.exe"C:\Windows\Temp\{95D05AC9-AD8C-4615-829F-DDD9D42C9379}\.cr\vcredist2015_2017_2019_2022_x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x86.exe" -burn.filehandle.attached=548 -burn.filehandle.self=5562⤵
- Executes dropped EXE
- Loads dropped DLL
PID:672
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
634KB
MD5f4a0575355c8110fecdf2acbe161c964
SHA1b9482cd6ec6dc673a0163a8d3e833bab24efdcd8
SHA2563ee99421e4582ebc46a23a947fc76149bee1b21538f3fd74d29967a6f517e7f6
SHA51272c1d740736b60a07027384c0aca8fe74c1aea85ffa4bd0cefe0e048f21ad9744b5e75a2f68c44f38517cfbd0e6f87a508722ad113626e74aedc046c81c163c6
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2