Analysis
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max time kernel
54s -
max time network
183s -
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, 01:45
Behavioral task
behavioral1
Sample
4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
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Target
4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe
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Size
4.0MB
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MD5
bb95e4fc983c8aca5f0dd8d05ecf1d70
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SHA1
41abd3f03ec4c5944cb820f432b320611d94aed9
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SHA256
4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb
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SHA512
f6a13f1acb62d1d4064d9b090742e713abd6c4f14bdb8d499609255001fc40033cab26d82f8254fd2f4a6429581edcb759b6fb8ed797bd3e9bc89394825d8171
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SSDEEP
98304:esaFeKilMjHPQh72wtWi0Amv/8U6bQorIBK0HCE/jsON5tQgcfz:e1FhilMjHPQ1JQi0FH8UUIBK0HbsShcr
Malware Config
Signatures
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YTStealer payload 1 IoCs
resource yara_rule behavioral2/memory/2180-122-0x0000000000B00000-0x00000000018D8000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/2180-120-0x0000000000B00000-0x00000000018D8000-memory.dmp upx behavioral2/memory/2180-122-0x0000000000B00000-0x00000000018D8000-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 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2180 wrote to memory of 4680 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe 67 PID 2180 wrote to memory of 4680 2180 4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe 67 PID 4680 wrote to memory of 4952 4680 cmd.exe 69 PID 4680 wrote to memory of 4952 4680 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe"C:\Users\Admin\AppData\Local\Temp\4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2180 -
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\4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:4952
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