Analysis
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max time kernel
143s -
max time network
178s -
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, 02:04
Behavioral task
behavioral1
Sample
81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
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Target
81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe
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Size
4.0MB
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MD5
f16d761675564d1e9c1ce2feafa5068f
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SHA1
2efd0c973f27fe19b680cc0a43708375f2e1f54f
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SHA256
81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5
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SHA512
29046a24b7aa058943e900c0dc026453ecae70974e7c849dafad4c0931d89ea0653011b2a45348f8d82cab81addf3351295b55c1ca8ffaf1558dc03510dc5b2f
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SSDEEP
98304:8AD7WhnLXPdp/30Y8L01xkXXlyp1VB8LExTZAHnQz8:8DVPdp/30Y8DXEp138gxaHQz8
Malware Config
Signatures
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YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/2688-115-0x0000000000F80000-0x0000000001D49000-memory.dmp family_ytstealer behavioral2/memory/2688-118-0x0000000000F80000-0x0000000001D49000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/2688-115-0x0000000000F80000-0x0000000001D49000-memory.dmp upx behavioral2/memory/2688-118-0x0000000000F80000-0x0000000001D49000-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 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2688 wrote to memory of 2132 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe 67 PID 2688 wrote to memory of 2132 2688 81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe 67 PID 2132 wrote to memory of 4792 2132 cmd.exe 69 PID 2132 wrote to memory of 4792 2132 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe"C:\Users\Admin\AppData\Local\Temp\81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2688 -
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\81a5a53697afc28cac33953edb5825c4efb8688ea08432f97b69e8350d98dcc5.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:4792
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