Analysis
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max time kernel
93s -
max time network
180s -
platform
windows10-1703_x64 -
resource
win10-20220718-en -
resource tags
arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system -
submitted
20/07/2022, 07:53
Behavioral task
behavioral1
Sample
543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe
Resource
win7-20220715-en
7 signatures
300 seconds
General
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Target
543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe
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Size
4.0MB
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MD5
a8efef1066ab1629b3a4d7541adf2ea1
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SHA1
3de453d7d1e4e30f128578cf1ab9e63a2b20b5ad
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SHA256
543e5e57e1a2d7763b84e5e3f605e76ea06959ce6bb071d7ffd50dd11860e037
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SHA512
d26e93b1d51bc079bbfaff8531aa4d5e205d0002f8d0eea788455b62f05599cb6f858dcba2532b7bf531daa362b6a91bec91cfa1710aaec3acd3ba1f4d3d21b8
Malware Config
Signatures
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YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/2200-117-0x00000000011A0000-0x0000000001F69000-memory.dmp family_ytstealer behavioral2/memory/2200-119-0x00000000011A0000-0x0000000001F69000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/2200-117-0x00000000011A0000-0x0000000001F69000-memory.dmp upx behavioral2/memory/2200-119-0x00000000011A0000-0x0000000001F69000-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 4 IoCs
pid Process 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2200 wrote to memory of 4620 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe 67 PID 2200 wrote to memory of 4620 2200 543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe 67 PID 4620 wrote to memory of 4436 4620 cmd.exe 69 PID 4620 wrote to memory of 4436 4620 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe"C:\Users\Admin\AppData\Local\Temp\543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2200 -
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\543E5E57E1A2D7763B84E5E3F605E76EA06959CE6BB071D7FFD50DD11860E037.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:4436
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