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 01:38
Behavioral task
behavioral1
Sample
3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe
Resource
win7-20220812-en
7 signatures
300 seconds
General
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Target
3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe
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Size
4.0MB
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MD5
fbe707e0d02177e3278c71ed6aa02b25
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SHA1
541a67d3fba6e2bf39de4de722d4623f1ad613df
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SHA256
3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7
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SHA512
b0575d4d3eab0db7e7acafab36938bcb8ef4ca2da0d0a9358343ec95119b95daba2a7840b3cd70492bc2eab040031ee4e329af0b4b617dd632f8f92a3f5e8aae
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SSDEEP
98304:607C602mDXspDiixYZeoJ0qtFoKCc+29OSo+la5:x+D8sdpjCcKr+E
Malware Config
Signatures
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YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/532-54-0x0000000000280000-0x0000000001058000-memory.dmp family_ytstealer behavioral1/memory/532-57-0x0000000000280000-0x0000000001058000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral1/memory/532-54-0x0000000000280000-0x0000000001058000-memory.dmp upx behavioral1/memory/532-57-0x0000000000280000-0x0000000001058000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1724 cmd.exe -
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:
3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exepid process 532 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe 532 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.execmd.exedescription pid process target process PID 532 wrote to memory of 1724 532 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe cmd.exe PID 532 wrote to memory of 1724 532 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe cmd.exe PID 532 wrote to memory of 1724 532 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe cmd.exe PID 1724 wrote to memory of 1700 1724 cmd.exe choice.exe PID 1724 wrote to memory of 1700 1724 cmd.exe choice.exe PID 1724 wrote to memory of 1700 1724 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe"C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:532 -
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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:1700