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Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2024, 14:38

General

  • Target

    1eba93412d726c87aa094a3c44d9268a.exe

  • Size

    176KB

  • MD5

    1eba93412d726c87aa094a3c44d9268a

  • SHA1

    f3ff7dd4573fdbcb2825a7fcad934b5c5235b431

  • SHA256

    e66efbe405be933bb8a27d4b4beb8632bf395cb810ebd2f56b915edbee619a37

  • SHA512

    d8e8b325b5869c75356de1e012daf440e8ffbf23b038a40cf97fdf84ce12a18854d720c4a2aa2a0074ef06b2d1c5015460588670127c1bf1419e2b23b71d0246

  • SSDEEP

    3072:upMlNPPG3GRfo8RKjhzGBqOYcYZlDd8FdymUvuFWVAsiLYmFsL5+/aGw8R2KGU:upYNOWRg8UtGbY/iFdLUvuFuBoRGW2

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 6 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
    "C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
      C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
      2⤵
        PID:3064
      • C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
        C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
        2⤵
          PID:1428

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1428-72-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/1428-74-0x00000000002F5000-0x000000000030E000-memory.dmp

        Filesize

        100KB

      • memory/2128-1-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/2128-3-0x00000000008F0000-0x00000000009F0000-memory.dmp

        Filesize

        1024KB

      • memory/2128-73-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/2128-75-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/2128-76-0x00000000008F0000-0x00000000009F0000-memory.dmp

        Filesize

        1024KB

      • memory/2128-139-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/2128-178-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/2128-183-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB

      • memory/3064-14-0x0000000000315000-0x000000000032E000-memory.dmp

        Filesize

        100KB

      • memory/3064-13-0x0000000000400000-0x000000000048E000-memory.dmp

        Filesize

        568KB