General

  • Target

    BooststrapperV1.18.exe (1).zip

  • Size

    10.8MB

  • Sample

    241028-xv7slssrbl

  • MD5

    a7fe0c98584849dd245708c5cdefaa02

  • SHA1

    622ffad172ac49a9e03ffe35295d9a15b49f18e6

  • SHA256

    bee4ac0705017aa4dde7453da898985858322b8fd0b3640a824862ffaf96127e

  • SHA512

    281a967504cbd34c33a23862c3cdabd9ae5e4801eb199f3a55047da139dbdc338e32a525cc74efbd8eb6685347f735bdf80b4eb87b4901bfae71062e6610a1d9

  • SSDEEP

    196608:n5HclBvkhR1wmOBXxwPRFFnT5CLY8QfqIUQmNKSSYABYKO+4C+UrYKb/XR/P:54khLwjBBwPRLT6Q2YfOHCvYifNP

Malware Config

Targets

    • Target

      BooststrapperV1.18.exe.bin

    • Size

      11.2MB

    • MD5

      115a4a8d78e7ca322e6649011ca539e0

    • SHA1

      e9311329982d1e60ddad8eae9a6b5ee1c1a510f9

    • SHA256

      14f3d65d5855eedd82b0b826b537e9e975e209c529e00c9fd90265c833b2bdaa

    • SHA512

      d3e309e3ba975cb822a7ae236d04a5f3080463cb1f75ac668a4182fca237afb56072b942f8ada1b6d39c06ea7412e5ed881ba12c3a0c7cc64fc8cb283d23aab4

    • SSDEEP

      196608:lRJp9MOAtu63ZqHFc+ZoyOOvth/83Jcb4kNK5VjPd9Cr6VfPsAIvYtBIOEz9poCo:lH3M1bJahGy7a3OKVSSknvYtBIDLxPM

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks