Analysis
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max time kernel
54s -
max time network
180s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
30/08/2022, 01:52
Behavioral task
behavioral1
Sample
644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
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Target
644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
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Size
4.0MB
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MD5
09d3afb7d99d9427a0b78a78ac8ef883
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SHA1
eeb068eb36d0dc604243e28977c2e676cfcbe0c4
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SHA256
644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf
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SHA512
c2c2d4b8ef6268dc96946ce970825f228bff155343eaad9ba3678fad1569f902ce41296ba2aea8d532d913f76ddc8ce5b73eaa6dc848555ff8ad8c274e3739e1
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SSDEEP
98304:gfdtjArWSNORffL3ERKLxc4QVbBORBdrdFMZCi7:gfdT3rYKFngeBtKp
Malware Config
Signatures
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YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/1524-116-0x00000000008E0000-0x00000000016A9000-memory.dmp family_ytstealer behavioral2/memory/1524-119-0x00000000008E0000-0x00000000016A9000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/1524-116-0x00000000008E0000-0x00000000016A9000-memory.dmp upx behavioral2/memory/1524-119-0x00000000008E0000-0x00000000016A9000-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 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1524 wrote to memory of 3996 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe 67 PID 1524 wrote to memory of 3996 1524 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe 67 PID 3996 wrote to memory of 5064 3996 cmd.exe 69 PID 3996 wrote to memory of 5064 3996 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe"C:\Users\Admin\AppData\Local\Temp\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524 -
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\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:5064
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