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Analysis

  • max time kernel
    124s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2024, 15:00

General

  • Target

    74472b44d4e4c36bf703079278a4d5d8.exe

  • Size

    93KB

  • MD5

    74472b44d4e4c36bf703079278a4d5d8

  • SHA1

    a8947ba4763ac770183fca9f79b1a0c49e9ab634

  • SHA256

    d5eebe6c627d0fc713ed10b2d4c0241bb4e38be2d685699a32ddf22d608911cd

  • SHA512

    810728e7d94079350e6b7375270f441517c43bf673e7d998ddb63a6a9a44f858ce4584443b1160ba6eaf717d4a3947902c633482ad1870b7e38dc2be0cba9ed3

  • SSDEEP

    1536:bRVCaKgzbLc54hukfgvYnouy8v4DcV1Ayj4m/QWR/Rlq88vlnRqPR/1aViDRknPa:VjbLl/gvQoutv4DQ1Tj4mYWR/R4nkPRl

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 21 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe
    "C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe
      "C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe
        "C:\Users\Admin\AppData\Local\Temp\74472b44d4e4c36bf703079278a4d5d8.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\debug.txt

    Filesize

    183B

    MD5

    18a1e09a80fdb49de9e021e5919b5668

    SHA1

    1130b96c90bfd719df9dd7387b1b604d10a9a844

    SHA256

    4c82fd1dafb5f90b2366ad23cb9447b62a2a96b907c1503d5b45710ae5612fa7

    SHA512

    7e60637439756cc9a5ec8efbab7eee51384a2729cb60af3a51231dee21de52a83d31f9598b98f76c75623a1383348d40077cfb8d23c44bae48a7b9bb189b1dab

  • memory/1740-66-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2804-68-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2804-17-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-98-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-117-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-92-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-94-0x0000000004BE0000-0x0000000004BFE000-memory.dmp

    Filesize

    120KB

  • memory/2900-93-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-101-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-16-0x0000000004BE0000-0x0000000004BFE000-memory.dmp

    Filesize

    120KB

  • memory/2900-114-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-67-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-120-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-123-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-128-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-131-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-134-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-137-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-140-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2900-143-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB