Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 18:38

General

  • Target

    fast_copy.exe

  • Size

    5.6MB

  • MD5

    f659a0d8ebd02ee8ee6eb70cef397cd7

  • SHA1

    78c4038cd147d6e14cb0255e7ff170d477e9eca4

  • SHA256

    307abb12c62dd8421cedfe6a11475e742caaae82faf9cb14d9812772edefe8d7

  • SHA512

    ae5275a56c782960d7d3efdd32d8458300b763114d040723b363f51dbd77ae6e371ef3d4081745feac202890284c77ddf8e796289a473eb43b998172b6eaddb9

  • SSDEEP

    98304:AUd98EKniqMUs8RVe0jHs4+b4EmeICxgHxC6qz1loJoYFqQ5dn6uqhAoCVtxnz+C:F8sn+RVJM44YCxwxmzLOFfdrq+P/xnCC

Malware Config

Extracted

Family

stealc

Botnet

benjiworld29

C2

http://45.159.208.21

Attributes
  • url_path

    /e24f48bbd86dab7e.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Hijackloader family
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fast_copy.exe
    "C:\Users\Admin\AppData\Local\Temp\fast_copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\110ee546

    Filesize

    1.0MB

    MD5

    2a6f2580cc9f0c8f14e7d4f0bb480cf1

    SHA1

    f1380e60332e59717712ec14e96fa0ab52c009ba

    SHA256

    e88404e18425779a209b0441b5f1311caa6696fce0c827ed7beb70983b5783fd

    SHA512

    0b51858ff3bcb88146ea9ef5ecd002818827bc9360873d942c3d7ecd7c1be524891ac451637d081623b517eb790e50926cc46de67fd3b9597eeb4350a8cebcc9

  • memory/1720-22-0x0000000000400000-0x0000000000663000-memory.dmp

    Filesize

    2.4MB

  • memory/1720-20-0x0000000000760000-0x0000000000768000-memory.dmp

    Filesize

    32KB

  • memory/1720-21-0x0000000000730000-0x00000000009B1000-memory.dmp

    Filesize

    2.5MB

  • memory/1720-18-0x0000000000400000-0x0000000000663000-memory.dmp

    Filesize

    2.4MB

  • memory/1720-17-0x0000000077080000-0x0000000077229000-memory.dmp

    Filesize

    1.7MB

  • memory/1720-16-0x0000000000400000-0x0000000000663000-memory.dmp

    Filesize

    2.4MB

  • memory/2172-4-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2172-8-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2172-5-0x0000000074403000-0x0000000074405000-memory.dmp

    Filesize

    8KB

  • memory/2172-0-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/2172-3-0x0000000074403000-0x0000000074405000-memory.dmp

    Filesize

    8KB

  • memory/2172-2-0x0000000077080000-0x0000000077229000-memory.dmp

    Filesize

    1.7MB

  • memory/2172-1-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2488-11-0x0000000077080000-0x0000000077229000-memory.dmp

    Filesize

    1.7MB

  • memory/2488-12-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2488-13-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2488-15-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB

  • memory/2488-9-0x00000000743F0000-0x0000000074564000-memory.dmp

    Filesize

    1.5MB