Analysis

  • max time kernel
    141s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2023, 21:28

General

  • Target
    SecuriteInfo.com.Riskware.RFEM.26344.7245.exe
  • Size 3.7MB
  • Sample230421-1bbgvaaa45
  • SHA256 637a8bc5f35435d88cf774b7a8cedff60748c719372875c868b20abe1d4f7ca6
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Riskware.RFEM.26344.7245.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Riskware.RFEM.26344.7245.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\is-MR7Q3.tmp\SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MR7Q3.tmp\SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp" /SL5="$70122,3610285,54784,C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Riskware.RFEM.26344.7245.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1168

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-MR7Q3.tmp\SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp
        • Size 688KB
        • SHA256 1a071faab64c10134cedcfe5cc485548c66b22e6165cf88792fb0b069f6b18d6
        • MD5 SHA1 SHA512 SSDEEP

        SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp

        • Path \Users\Admin\AppData\Local\Temp\is-MR7Q3.tmp\SecuriteInfo.com.Riskware.RFEM.26344.7245.tmp
        • Size 688KB
        • SHA256 1a071faab64c10134cedcfe5cc485548c66b22e6165cf88792fb0b069f6b18d6
        • MD5 SHA1 SHA512 SSDEEP

        _shfoldr.dll

        • Path \Users\Admin\AppData\Local\Temp\is-TU3BT.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        _shfoldr.dll

        • Path \Users\Admin\AppData\Local\Temp\is-TU3BT.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        memory/1168-68-0x0000000000240000-0x0000000000241000-memory.dmp

        memory/1168-70-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/1700-54-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1700-69-0x0000000000400000-0x0000000000414000-memory.dmp