Analysis
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max time kernel
38s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
01-07-2022 18:02
Static task
static1
Behavioral task
behavioral1
Sample
7b753733b2b3b38a6e09c7048a6c74ed.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
7b753733b2b3b38a6e09c7048a6c74ed.exe
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Size
4.0MB
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MD5
7b753733b2b3b38a6e09c7048a6c74ed
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SHA1
25502ec0b81ffc3c604f6ecb64db8e5c5935c3b0
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SHA256
385ef22e6376a88bc56460a1ce505391f2d8503b971675e34f4cbbc0ffc6bd36
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SHA512
a79f85c5c20f1c9813100d2983a314cc7396f83900c3a12554e9fb867cd2fcb52b0d16707d60e62724fc71f278f4b1e451c601e225f4337d89cff2e857e5c2b3
Malware Config
Signatures
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YTStealer payload 2 IoCs
resource yara_rule behavioral1/memory/1860-54-0x00000000003F0000-0x00000000011B9000-memory.dmp family_ytstealer behavioral1/memory/1860-57-0x00000000003F0000-0x00000000011B9000-memory.dmp family_ytstealer -
resource yara_rule behavioral1/memory/1860-54-0x00000000003F0000-0x00000000011B9000-memory.dmp upx behavioral1/memory/1860-57-0x00000000003F0000-0x00000000011B9000-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
pid Process 1860 7b753733b2b3b38a6e09c7048a6c74ed.exe 1860 7b753733b2b3b38a6e09c7048a6c74ed.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1860 wrote to memory of 988 1860 7b753733b2b3b38a6e09c7048a6c74ed.exe 28 PID 1860 wrote to memory of 988 1860 7b753733b2b3b38a6e09c7048a6c74ed.exe 28 PID 1860 wrote to memory of 988 1860 7b753733b2b3b38a6e09c7048a6c74ed.exe 28 PID 988 wrote to memory of 1696 988 cmd.exe 30 PID 988 wrote to memory of 1696 988 cmd.exe 30 PID 988 wrote to memory of 1696 988 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7b753733b2b3b38a6e09c7048a6c74ed.exe"C:\Users\Admin\AppData\Local\Temp\7b753733b2b3b38a6e09c7048a6c74ed.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1860 -
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\7b753733b2b3b38a6e09c7048a6c74ed.exe2⤵
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:1696
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