Analysis
-
max time kernel
68s -
max time network
60s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
28-11-2022 06:03
Static task
static1
Behavioral task
behavioral1
Sample
82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe
Resource
win7-20221111-en
General
-
Target
82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe
-
Size
92KB
-
MD5
78beaf8d36f44ec7982289e7fb4ce8d9
-
SHA1
a1ad5bfdf4b01af74fbf897f3fe212ee18b0071c
-
SHA256
82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e
-
SHA512
ee675e3f3f649fb4ba44e66430c6796453082a3d00f590884bacc2c9cd9e18b8872c980e329e5961b99b38c6865620bc32d9dab5bf5422b975d2e38e01ab9f37
-
SSDEEP
1536:rwTk1bQHlBGpO51/AinnANk0GBODxW05yiHcce3XB0eO/qnx0WvtA:rek1bAGUvA4ANk0NxWJETe320rl
Malware Config
Signatures
-
Deletes itself 1 IoCs
Processes:
cmd.exepid process 580 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exedescription pid process target process PID 1964 wrote to memory of 580 1964 82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe cmd.exe PID 1964 wrote to memory of 580 1964 82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe cmd.exe PID 1964 wrote to memory of 580 1964 82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe cmd.exe PID 1964 wrote to memory of 580 1964 82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe cmd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe"C:\Users\Admin\AppData\Local\Temp\82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\82fe21b76e2087aa2b5ee21575a81967f77e633306359f0e673e15376cc1d84e.exe" "2⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\ytk.batFilesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948
-
memory/580-58-0x0000000000000000-mapping.dmp
-
memory/1964-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmpFilesize
8KB
-
memory/1964-55-0x00000000002C0000-0x00000000003C0000-memory.dmpFilesize
1024KB
-
memory/1964-56-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
-
memory/1964-57-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
-
memory/1964-59-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB