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Analysis

  • max time kernel
    32s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 06:32

General

  • Target

    1127f9f9ecf644ce673c211e185e648c.exe

  • Size

    153KB

  • MD5

    1127f9f9ecf644ce673c211e185e648c

  • SHA1

    a6432449b6302f1fb132dc4e4de31ebfbf64c64e

  • SHA256

    239525c06bd5b287d65fc971a2cab16f92c4fbca5f47969aff1e397eef9fe155

  • SHA512

    03951559b5f24b5576f85bf39471c2b0b6f70dcc2e4b8672082a1856539e97930705efc4696fbadcd0639284007aa2b060a21b3897074773feb867859dec76a1

  • SSDEEP

    3072:oSxI4Va2xhvCSs2gP5PFme+DOwHfEQ6yyF5vtRcbhYqZMo:o8FFs2S5tmH1sjVJI9Q

Malware Config

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1127f9f9ecf644ce673c211e185e648c.exe
    "C:\Users\Admin\AppData\Local\Temp\1127f9f9ecf644ce673c211e185e648c.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3300-0-0x0000000000010000-0x000000000003C000-memory.dmp

    Filesize

    176KB

  • memory/3300-1-0x00000000008E0000-0x000000000092C000-memory.dmp

    Filesize

    304KB

  • memory/3300-30-0x000000001AD40000-0x000000001AD50000-memory.dmp

    Filesize

    64KB

  • memory/3300-27-0x00007FFA1C640000-0x00007FFA1D101000-memory.dmp

    Filesize

    10.8MB

  • memory/3300-129-0x00007FFA1C640000-0x00007FFA1D101000-memory.dmp

    Filesize

    10.8MB