Analysis
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max time kernel
75s -
max time network
207s -
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, 01:38
Behavioral task
behavioral1
Sample
37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
Resource
win7-20220812-en
7 signatures
300 seconds
General
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Target
37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
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Size
4.0MB
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MD5
2701033d21e002170ba74701bc43e318
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SHA1
61b2e6a1e5cbe0ef2f7e29234af2e703e0698aeb
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SHA256
37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355
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SHA512
fcf656986080282380a4fa6b8f5931bbb594b7ad18574d2a96224f5fd94318bd7cf5a07b4acfadbd8c2400a4b817b47a390f90f2eb905d946f486b426eb1fcb4
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SSDEEP
98304:qzFhhI+mgePySZ2oVAtIoz7T9St0d51nOwX13NMTV3kNiy1m:qZhhZ1eq4Atwt0dGwX138VkNiu
Malware Config
Signatures
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YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/4672-115-0x0000000000D00000-0x0000000001AC9000-memory.dmp family_ytstealer behavioral2/memory/4672-118-0x0000000000D00000-0x0000000001AC9000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/4672-115-0x0000000000D00000-0x0000000001AC9000-memory.dmp upx behavioral2/memory/4672-118-0x0000000000D00000-0x0000000001AC9000-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 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4672 wrote to memory of 2064 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe 67 PID 4672 wrote to memory of 2064 4672 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe 67 PID 2064 wrote to memory of 4780 2064 cmd.exe 69 PID 2064 wrote to memory of 4780 2064 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe"C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672 -
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\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:4780
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