Overview
overview
8Static
static
3severebeta.zip
windows10-2004-x64
1dependenci...h..bat
windows10-2004-x64
8dependenci...ll.bat
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7severe.exe
windows10-2004-x64
7Analysis
-
max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
16-02-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
severebeta.zip
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
dependencies/2024-1-12/auth..bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
dependencies/install_all.bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
dependencies/vcredist2005_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
dependencies/vcredist2005_x86.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral6
Sample
dependencies/vcredist2008_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
dependencies/vcredist2008_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral8
Sample
dependencies/vcredist2010_x64.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
dependencies/vcredist2010_x86.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral10
Sample
dependencies/vcredist2012_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
dependencies/vcredist2012_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral12
Sample
dependencies/vcredist2013_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
dependencies/vcredist2013_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral14
Sample
dependencies/vcredist2015_2017_2019_2022_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
dependencies/vcredist2015_2017_2019_2022_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral16
Sample
severe.exe
Resource
win10v2004-20231215-en
General
-
Target
dependencies/vcredist2012_x64.exe
-
Size
6.9MB
-
MD5
3c03562b5af9ed347614053d459d7778
-
SHA1
1a5d93dddbc431ab27b1da711cd3370891542797
-
SHA256
681be3e5ba9fd3da02c09d7e565adfa078640ed66a0d58583efad2c1e3cc4064
-
SHA512
6c2f4eeb38705c2dafc4d75d8de0036a0aed197f83e9cb261d255fe26e4391f24b0b156e9019c739dd99057041c2bb80f9ab80f56869bc1e01f0469a76f24f75
-
SSDEEP
98304:vRWKtOl5CCGomEBkHUBmExJrIUg32t9RRyvo7VnOcyP24Vc35re94tb0eYbY1poo:v3tO3CCT/hBxtVtyUVnmSprzVIY7QKAk
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
vcredist2012_x64.exepid process 4944 vcredist2012_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 3 IoCs
Processes:
vcredist2012_x64.exedescription pid process target process PID 5056 wrote to memory of 4944 5056 vcredist2012_x64.exe vcredist2012_x64.exe PID 5056 wrote to memory of 4944 5056 vcredist2012_x64.exe vcredist2012_x64.exe PID 5056 wrote to memory of 4944 5056 vcredist2012_x64.exe vcredist2012_x64.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2012_x64.exe"C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2012_x64.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2012_x64.exe"C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2012_x64.exe" -burn.unelevated BurnPipe.{F72CCAC6-C3BE-46E0-93F7-1B5034F4DD7B} {EE9A40D5-1AE0-4D13-BA8B-F90AA9E1E761} 50562⤵
- Loads dropped DLL
PID:4944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
Filesize
126KB
MD5d7bf29763354eda154aad637017b5483
SHA1dfa7d296bfeecde738ef4708aaabfebec6bc1e48
SHA2567f5f8fcfd84132579f07e395e65b44e1b031fe01a299bce0e3dd590131c5cb93
SHA5121c76175732fe68b9b12cb46077daa21e086041adbd65401717a9a1b5f3c516e03c35a90897c22c7281647d6af4a1a5ffb3fbd5706ea376d8f6e574d27396019c