Analysis
- max time kernel
54s - max time network
181s - 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, 02:07
Behavioral task
behavioral1
Sample
842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
- Target 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
- Size 4.0MB
- Sample220830-cjzyeabda4
- SHA256 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af
- MD5 1cd70426af9a82a96b94854a228a81c0
- SHA1 6a381521fb566212a6e87dd3f218b71a9017effb
- SHA512 c4e4bbaf2b1126ecd5925548ca0638f35cb626ceccbbc455f3c78a88b5d3372a9cd11860e4ca0b2fe312eda5c3442ffc98bc32dae00cd8e179db17ead082b741
- SSDEEP 98304:vKsjPKYlf+6Nwf/+juH/8uFC+PjJ1LarEoY5FNLB:vKsjPKqwf/d/6+LJ1zF
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/2728-115-0x0000000000820000-0x00000000015F9000-memory.dmp family_ytstealer behavioral2/memory/2728-118-0x0000000000820000-0x00000000015F9000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/2728-115-0x0000000000820000-0x00000000015F9000-memory.dmp upx behavioral2/memory/2728-118-0x0000000000820000-0x00000000015F9000-memory.dmp upx - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2728 wrote to memory of 4424 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe 67 PID 2728 wrote to memory of 4424 2728 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe 67 PID 4424 wrote to memory of 3280 4424 cmd.exe 69 PID 4424 wrote to memory of 3280 4424 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe"C:\Users\Admin\AppData\Local\Temp\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2728 -
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\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:3280
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