Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/05/2026, 22:41

General

  • Target
    tmp3o8k22ad.exe
  • Size 88KB
  • Sample260525-2mcdysbt3x
  • SHA256 b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3068
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3224
      • C:\Users\Admin\AppData\Local\Temp\tmp3o8k22ad.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp3o8k22ad.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4536
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4392
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 352
            4⤵
            • Program crash
            PID:1408
    • C:\Users\Admin\AppData\Roaming\B22AC9D4\bin.exe
      C:\Users\Admin\AppData\Roaming\B22AC9D4\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4392 -ip 4392
      1⤵
        PID:4044

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\B22AC9D4\bin.exe
            • Size 88KB
            • SHA256 c459bfb624a4ec8714548f42053da98e5df6bd0c5b2548bf5f0ab0b3caca1cef
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/3068-32-0x00007FFF87F70000-0x00007FFF87F71000-memory.dmp

            memory/3068-25-0x0000000000890000-0x0000000000896000-memory.dmp

            memory/3224-12-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

            memory/3224-2-0x0000000002000000-0x0000000002006000-memory.dmp

            memory/3224-1-0x0000000002000000-0x0000000002006000-memory.dmp

            memory/3224-5-0x00007FFF87DED000-0x00007FFF87DEE000-memory.dmp

            memory/3224-29-0x00007FFF87F70000-0x00007FFF87F71000-memory.dmp

            memory/3224-7-0x00007FFF87F80000-0x00007FFF87F81000-memory.dmp

            memory/3224-14-0x00007FFF87F50000-0x00007FFF87F51000-memory.dmp

            memory/3224-15-0x00007FFF87F60000-0x00007FFF87F61000-memory.dmp

            memory/4392-4-0x00000000773F2000-0x00000000773F3000-memory.dmp

            memory/4392-11-0x00000000006E0000-0x00000000006E6000-memory.dmp

            memory/4392-6-0x00007FFF87D50000-0x00007FFF87F45000-memory.dmp

            memory/4392-30-0x00000000006E0000-0x00000000006E6000-memory.dmp

            memory/4536-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

            memory/4536-8-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/4536-0-0x0000000000680000-0x0000000000681000-memory.dmp

            memory/4536-3-0x00000000021A0000-0x0000000002BA0000-memory.dmp

            memory/5004-21-0x00007FFF87D50000-0x00007FFF87F45000-memory.dmp

            memory/5004-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/5024-20-0x00007FFF87D50000-0x00007FFF87F45000-memory.dmp

            memory/5024-27-0x00007FFF87D50000-0x00007FFF87F45000-memory.dmp