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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 14:16

General

  • Target

    entry001/FILE0039.exe

  • Size

    1.5MB

  • MD5

    15aee466f47357a6f92385c57e050730

  • SHA1

    e42caaab64dda15a44c854c1733614c2a58fa371

  • SHA256

    ac0528667e7cf1e1bd877e66e1dc0451c3e830229baa5120bce7f7ce6e5bd921

  • SHA512

    1cf3936e3de41029335380606ca2fb1cf03f63fff09e6feead7cc2c2f142887d9fd66d728e62df4781bf723351ca00b7e060a003a386ccb307333d03b30f10a4

  • SSDEEP

    6144:6afsiuvAQ+tTm6cyERSiytj71cWE4jKS6vwnhB9Y5EwAQVAyhV:XCvAQ+q6ctRt636WfjO4hB9Y5EwAQV/

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\entry001\FILE0039.exe
    "C:\Users\Admin\AppData\Local\Temp\entry001\FILE0039.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Program Files (x86)\win\msn.exe
      "C:\Program Files (x86)\win\msn.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\win\msn.exe

    Filesize

    1.5MB

    MD5

    15aee466f47357a6f92385c57e050730

    SHA1

    e42caaab64dda15a44c854c1733614c2a58fa371

    SHA256

    ac0528667e7cf1e1bd877e66e1dc0451c3e830229baa5120bce7f7ce6e5bd921

    SHA512

    1cf3936e3de41029335380606ca2fb1cf03f63fff09e6feead7cc2c2f142887d9fd66d728e62df4781bf723351ca00b7e060a003a386ccb307333d03b30f10a4

  • memory/2112-12-0x0000000000400000-0x00000000005D5000-memory.dmp

    Filesize

    1.8MB

  • memory/2400-0-0x0000000000400000-0x00000000005D5000-memory.dmp

    Filesize

    1.8MB

  • memory/2400-1-0x0000000000400000-0x00000000005D5000-memory.dmp

    Filesize

    1.8MB

  • memory/2400-11-0x0000000000400000-0x00000000005D5000-memory.dmp

    Filesize

    1.8MB