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
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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_x64.exe
-
Size
24.2MB
-
MD5
101b0b9f74cdc6cdbd2570bfe92e302c
-
SHA1
2e6bae42c2842b4f558bd68099479b929bb7d910
-
SHA256
4dfe83c91124cd542f4222fe2c396cabeac617bb6f59bdcbdf89fd6f0df0a32f
-
SHA512
ccf4fd7da2c3440f1bc7fcac67c8a12599eab8d5c015affdc2e439fa30f5c7868ef5f52ede058361faae37ccc4af2c17c0adf30b8e1f852bb7106d0ec7162506
-
SSDEEP
786432:urp+Ty2SfUfnbu+zMFy/7zYgWXRLTArzttOaaFC:Sp+Ty2SfWnPzMFO7zYgWBLbFC
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exepid process 804 vcredist2015_2017_2019_2022_x64.exe -
Loads dropped DLL 2 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exevcredist2015_2017_2019_2022_x64.exepid process 2264 vcredist2015_2017_2019_2022_x64.exe 804 vcredist2015_2017_2019_2022_x64.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 7 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exedescription pid process target process PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 2264 wrote to memory of 804 2264 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe"C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\Temp\{F6DEC945-75A8-4BA6-A8FD-43246BE44B7A}\.cr\vcredist2015_2017_2019_2022_x64.exe"C:\Windows\Temp\{F6DEC945-75A8-4BA6-A8FD-43246BE44B7A}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=1882⤵
- Executes dropped EXE
- Loads dropped DLL
PID:804
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2
-
Filesize
635KB
MD553e9222bc438cbd8b7320f800bef2e78
SHA1c4f295d8855b4b16c7450a4a9150eb95046f6390
SHA2560e49026767420229afd23b1352cf9f97f24e0768c3d527000d449ffdb4ca6888
SHA5127533f9791e1807072a4dbb6ca03c696b12dfa5337678fab53aceea0e4b7e5ffefb90c9b450ac80878e1e9a4bce549f619da4cd2d06eb2554c9add5b4ec838b4a