Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2024 18:41

General

  • Target

    51ffa503e65ad126b9d9ae20a9ef3b1ec4f2f65e.exe

  • Size

    1.4MB

  • MD5

    92ce24ce5e4c59c88d22ec72b58a8874

  • SHA1

    51ffa503e65ad126b9d9ae20a9ef3b1ec4f2f65e

  • SHA256

    6b9dd7cc574ff046cebc9887ce2ef8cf20c5cc075d8c6bb91f415c1ce247355a

  • SHA512

    658a7ede1a1c91056c18947f4098fdbb8400179234709023e2685662f46418209646e073a17e3ad56ba67b165b2a3e4de9dab218fd72f3c05efd7412525a87e1

  • SSDEEP

    24576:rOuf9Qc9RD0lxVxa0L2W4V2sx5CDBsdXNzMbCuE1BkWU/ngN+zeABd:r7/Il740CW4VX/CDBsh9GCd7tU/lzTd

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51ffa503e65ad126b9d9ae20a9ef3b1ec4f2f65e.exe
    "C:\Users\Admin\AppData\Local\Temp\51ffa503e65ad126b9d9ae20a9ef3b1ec4f2f65e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3668
    • \??\c:\PROGRA~1\java\jre-1.8\bin\java.exe
      c:\PROGRA~1\java\jre-1.8\bin\java.exe -version
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

    Filesize

    46B

    MD5

    10ece20df47ad838d949beda94b2b6ef

    SHA1

    8c70ab97c87d67d8ddd9ecbd244eded59c679c4f

    SHA256

    9a6dce16f1e842d5bb72e76f46b430600eb7191100b03a01b1f138d7979ffa5d

    SHA512

    83706f0445bccefc0b6c6c5bff69c1933492baffb3e140f8fda28580ea946ca79f968380379c2f64226c246b0cabfd93ab2d951ffbe2192d92a7aaf9940b76f4

  • memory/1936-8-0x0000017E5E8A0000-0x0000017E5F8A0000-memory.dmp

    Filesize

    16.0MB

  • memory/1936-16-0x0000017E5E880000-0x0000017E5E881000-memory.dmp

    Filesize

    4KB

  • memory/3668-249-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-25-0x0000000002280000-0x0000000003280000-memory.dmp

    Filesize

    16.0MB

  • memory/3668-34-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-127-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-177-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-3-0x0000000140000000-0x00000001404A3000-memory.dmp

    Filesize

    4.6MB

  • memory/3668-279-0x0000000002280000-0x0000000003280000-memory.dmp

    Filesize

    16.0MB

  • memory/3668-478-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-614-0x0000000002280000-0x0000000003280000-memory.dmp

    Filesize

    16.0MB

  • memory/3668-654-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-656-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-660-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-658-0x0000000002280000-0x0000000003280000-memory.dmp

    Filesize

    16.0MB

  • memory/3668-669-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-668-0x0000000002020000-0x0000000002021000-memory.dmp

    Filesize

    4KB

  • memory/3668-671-0x0000000002280000-0x0000000003280000-memory.dmp

    Filesize

    16.0MB