Analysis
- max time kernel
144s - 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
15/09/2022, 03:30
Behavioral task
behavioral1
Sample
64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
- Target 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe
- Size 4.0MB
- Sample220915-d2hbrafefq
- SHA256 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387
- MD5 11b952bd0d9358fc739412c3b59fec4c
- SHA1 fc200d4f6487d7a3dc36b0556e6da777f483bdf5
- SHA512 780fce88f28357d0fe083bc346f6c39dc8b3ff32b38783c2d21886184f124032700e5d9ae8614fca74478ae94c87c6fe7008b7df7dfd07603cd7c64e5bd75bcb
- SSDEEP 98304:assckzxM6A0I7CQvFLwV88L3c3Z128YhQ9VWaeGqx:tXkzxM6A0I7Tg87/Yhimj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/4324-118-0x00000000011A0000-0x0000000001F69000-memory.dmp family_ytstealer behavioral2/memory/4324-121-0x00000000011A0000-0x0000000001F69000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/4324-118-0x00000000011A0000-0x0000000001F69000-memory.dmp upx behavioral2/memory/4324-121-0x00000000011A0000-0x0000000001F69000-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 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4324 wrote to memory of 3784 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe 67 PID 4324 wrote to memory of 3784 4324 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe 67 PID 3784 wrote to memory of 4816 3784 cmd.exe 69 PID 3784 wrote to memory of 4816 3784 cmd.exe 69
Processes
-
C:\Users\Admin\AppData\Local\Temp\64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe"C:\Users\Admin\AppData\Local\Temp\64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4324 -
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\64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:4816
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