Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-08-2022 01:38
Behavioral task
behavioral1
Sample
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe
Resource
win10-20220812-en
General
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Target
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe
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Size
4.0MB
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MD5
f0f2f97fd34d88b8022d80f29b806212
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SHA1
2ccd750ce6c82a64084a5df72fe01f2b00e8c83d
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SHA256
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf
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SHA512
7962026da44d933875ed7d08db2aeb466f752c62a946d446c789bbfab0a80115c1b5549410bdb45ed80a723e5f2004347aa1642b71bd1b2cab68c7baa01804d4
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SSDEEP
98304:V9UJb8ITg2XT9YA6ruEJwd9qM8llUJRufO:VaJNTg2XT9YRuDdNNkf
Malware Config
Signatures
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YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1948-54-0x00000000000A0000-0x0000000000E69000-memory.dmp family_ytstealer behavioral1/memory/1948-57-0x00000000000A0000-0x0000000000E69000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral1/memory/1948-54-0x00000000000A0000-0x0000000000E69000-memory.dmp upx behavioral1/memory/1948-57-0x00000000000A0000-0x0000000000E69000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exepid process 1948 39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe 1948 39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.execmd.exedescription pid process target process PID 1948 wrote to memory of 700 1948 39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe cmd.exe PID 1948 wrote to memory of 700 1948 39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe cmd.exe PID 1948 wrote to memory of 700 1948 39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe cmd.exe PID 700 wrote to memory of 1172 700 cmd.exe choice.exe PID 700 wrote to memory of 1172 700 cmd.exe choice.exe PID 700 wrote to memory of 1172 700 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe"C:\Users\Admin\AppData\Local\Temp\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe2⤵
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:1172