Analysis

  • max time kernel
    3s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2024 11:57

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.

  • Suspicious behavior: EnumeratesProcesses 3 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⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\44\Process.txt

    Filesize

    397B

    MD5

    715eead7cebd28470d64e9f6ef73bfd6

    SHA1

    e840aae25bc82dbf9346a79191a702096103094c

    SHA256

    40c27d7b09da86e88c0f02dec3d57c718874632a90046256b7bf773c4ff99af8

    SHA512

    7ea6b9dade0789e3e01f5fee70c4e9b690fc16f454d482b1687c468642d8291e26d8da38193c3d735d2071f45202d9491666a932bfab15a543e800fa7782f2dd

  • memory/2932-0-0x0000000000B40000-0x0000000000B6C000-memory.dmp

    Filesize

    176KB

  • memory/2932-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2932-2-0x0000000000610000-0x000000000065C000-memory.dmp

    Filesize

    304KB

  • memory/2932-3-0x000000001ACB0000-0x000000001AD30000-memory.dmp

    Filesize

    512KB

  • memory/2932-64-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB