Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-08-2022 01:41
Behavioral task
behavioral1
Sample
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
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Target
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
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Size
4.0MB
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MD5
c81a73dcc27459903b5ff3a48b6d0c5a
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SHA1
a45c9c2023ddbd9f78e2238e55838978980bd998
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SHA256
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd
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SHA512
19135280538e3670314dd447141e2c1bec57fe283fb5fa560b8567b49720eded793e7b622cc6f233fc70a70aeabb5689e451ca0f054cb5e6d14d86fbf7ba2d6e
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SSDEEP
98304:DJJYBywiF4PobmLprqcqEr4JnvxEnByep:nY64WmLynunB
Malware Config
Signatures
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YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/812-54-0x0000000000880000-0x0000000001658000-memory.dmp family_ytstealer behavioral1/memory/812-57-0x0000000000880000-0x0000000001658000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral1/memory/812-54-0x0000000000880000-0x0000000001658000-memory.dmp upx behavioral1/memory/812-57-0x0000000000880000-0x0000000001658000-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:
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exepid process 812 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe 812 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.execmd.exedescription pid process target process PID 812 wrote to memory of 1180 812 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe cmd.exe PID 812 wrote to memory of 1180 812 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe cmd.exe PID 812 wrote to memory of 1180 812 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe cmd.exe PID 1180 wrote to memory of 1720 1180 cmd.exe choice.exe PID 1180 wrote to memory of 1720 1180 cmd.exe choice.exe PID 1180 wrote to memory of 1720 1180 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:812 -
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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:1720