Analysis
-
max time kernel
162s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-05-2022 07:26
Static task
static1
Behavioral task
behavioral1
Sample
b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe
Resource
win7-20220414-en
General
-
Target
b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe
-
Size
423KB
-
MD5
1529a6e5ba1a853ea750b9fd1981ba5a
-
SHA1
33e2de0a85e6212c774cc04f9c0a49a1c9d769e3
-
SHA256
b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb
-
SHA512
7d40e8986a8feaff0b6c55f23347074b96b4b555fb7e6f890fbd6165e7e83b290b020ab96596715f743a5b7793de02118c1558b984744f86f2752e47bc1cce0e
Malware Config
Signatures
-
Taurus Stealer Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2988-131-0x00000000011F0000-0x0000000001225000-memory.dmp family_taurus_stealer behavioral2/memory/2988-132-0x0000000000400000-0x0000000000C45000-memory.dmp family_taurus_stealer -
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.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4860 2988 WerFault.exe b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4852 timeout.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.execmd.exedescription pid process target process PID 2988 wrote to memory of 3484 2988 b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe cmd.exe PID 2988 wrote to memory of 3484 2988 b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe cmd.exe PID 2988 wrote to memory of 3484 2988 b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe cmd.exe PID 3484 wrote to memory of 4852 3484 cmd.exe timeout.exe PID 3484 wrote to memory of 4852 3484 cmd.exe timeout.exe PID 3484 wrote to memory of 4852 3484 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe"C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 33⤵
- Delays execution with timeout.exe
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 13482⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2988 -ip 29881⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2988-130-0x0000000000CDB000-0x0000000000CFC000-memory.dmpFilesize
132KB
-
memory/2988-131-0x00000000011F0000-0x0000000001225000-memory.dmpFilesize
212KB
-
memory/2988-132-0x0000000000400000-0x0000000000C45000-memory.dmpFilesize
8.3MB
-
memory/3484-133-0x0000000000000000-mapping.dmp
-
memory/4852-134-0x0000000000000000-mapping.dmp