Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 00:52

General

  • Target
    tmpjcjrvbsp.exe
  • Size 45KB
  • Sample260602-a73cbsh151
  • SHA256 a6262b8f0b676bb2870e5cec39e8c1c325e7012d2f726f0061ee7d90e5ad7ef2
  • 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
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 10 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:3056
    • 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:3272
      • C:\Users\Admin\AppData\Local\Temp\tmpjcjrvbsp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpjcjrvbsp.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4908
        • 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:552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 356
            4⤵
            • Program crash
            PID:2500
    • C:\Users\Admin\AppData\Roaming\1F056380\bin.exe
      C:\Users\Admin\AppData\Roaming\1F056380\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 552 -ip 552
      1⤵
        PID:2576

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\1F056380\bin.exe
            • Size 45KB
            • SHA256 c3fbf35653ea10f9758151a2b8cc09f56e7ce75d6c71782b897226cd4400fcc7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/376-19-0x00007FFC11B50000-0x00007FFC11D45000-memory.dmp

            memory/376-30-0x00007FFC11B50000-0x00007FFC11D45000-memory.dmp

            memory/376-21-0x00007FFC11B50000-0x00007FFC11D45000-memory.dmp

            memory/552-6-0x0000000077142000-0x0000000077143000-memory.dmp

            memory/552-5-0x00000000027C0000-0x00000000027C6000-memory.dmp

            memory/552-32-0x00000000027C0000-0x00000000027C6000-memory.dmp

            memory/3056-26-0x0000000000640000-0x0000000000646000-memory.dmp

            memory/3056-35-0x00007FFC11D70000-0x00007FFC11D71000-memory.dmp

            memory/3272-13-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

            memory/3272-9-0x00007FFC11D80000-0x00007FFC11D81000-memory.dmp

            memory/3272-15-0x00007FFC11D60000-0x00007FFC11D61000-memory.dmp

            memory/3272-7-0x0000000002B80000-0x0000000002B86000-memory.dmp

            memory/3272-8-0x00007FFC11BED000-0x00007FFC11BEE000-memory.dmp

            memory/3272-3-0x0000000002B80000-0x0000000002B86000-memory.dmp

            memory/3272-33-0x00007FFC11D70000-0x00007FFC11D71000-memory.dmp

            memory/3272-14-0x00007FFC11D50000-0x00007FFC11D51000-memory.dmp

            memory/4020-24-0x00007FFC11B50000-0x00007FFC11D45000-memory.dmp

            memory/4020-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/4020-22-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/4908-1-0x000000000041C000-0x000000000041D000-memory.dmp

            memory/4908-0-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/4908-2-0x0000000000400000-0x000000000041D000-memory.dmp