Analysis
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max time kernel
41s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-08-2022 02:08
Behavioral task
behavioral1
Sample
8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
300 seconds
General
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Target
8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
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Size
4.0MB
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MD5
4e90d708b8813a0a9e44cadf67bd101e
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SHA1
a71c7d7eedc0f180b61f5781b4f8ca4e93ddbcb9
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SHA256
8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a
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SHA512
0475f14da1f73d98d5767691b59f95e18df5a7c40a388ed17e7ee8c6b58992bac1e6d5c3f8341c335462b3858f7a1d6b614f0471ae67a412306bb5352627ee0e
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SSDEEP
98304:PvqIomm7x5vc2WIskx5791rOCAg8lNAO:8502WIt1qfDE
Malware Config
Signatures
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YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1668-54-0x0000000000F80000-0x0000000001D58000-memory.dmp family_ytstealer behavioral1/memory/1668-57-0x0000000000F80000-0x0000000001D58000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral1/memory/1668-54-0x0000000000F80000-0x0000000001D58000-memory.dmp upx behavioral1/memory/1668-57-0x0000000000F80000-0x0000000001D58000-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:
8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exepid process 1668 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe 1668 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.execmd.exedescription pid process target process PID 1668 wrote to memory of 1784 1668 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe cmd.exe PID 1668 wrote to memory of 1784 1668 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe cmd.exe PID 1668 wrote to memory of 1784 1668 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe cmd.exe PID 1784 wrote to memory of 1164 1784 cmd.exe choice.exe PID 1784 wrote to memory of 1164 1784 cmd.exe choice.exe PID 1784 wrote to memory of 1164 1784 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668 -
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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:1164