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Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/04/2024, 19:01

General

  • Target

    ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe

  • Size

    462KB

  • MD5

    d0b5e3c428212e1dd3acd07c3392f0eb

  • SHA1

    9f2761d8fce5604d62fc09f8513eaf84f47f4155

  • SHA256

    ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403

  • SHA512

    0bcfcdb01273d3a53558913d600b03d18aa46c121c8ed77096d93d116dde3041a7e2cea69aabd3368d2a2f87598022f7a0a37b558b139a68a4cbf7480c1c779a

  • SSDEEP

    12288:sn6oPSHN9AVHibrbWXIRsReDhmrDira9vzLCI6:A6+U9WHiTNRRAhD6

Score
10/10

Malware Config

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe
    "C:\Users\Admin\AppData\Local\Temp\ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:344
    • C:\Users\Admin\AppData\Local\Temp\u9k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u9k.0.exe"
      2⤵
      • Executes dropped EXE
      PID:5112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\u9k.0.exe

    Filesize

    318KB

    MD5

    91a5a9d7570e04cb9497e1e6b71eba4c

    SHA1

    4ea781e446576578578e9f7e73a0110913a8b62b

    SHA256

    bd4f6a49bdd252e0a06b14edbc607fb9dd1e734b86d73bbf4858ce746763630d

    SHA512

    5b61a1ee15244dd26175b0ab5b96c032622ba5fbce0adda1edc2be30bde2030d8b31b78afbe51322a0c583604c84a1cd2068c4ec9dde0d87f65c60a7b5033cef

  • memory/344-1-0x00000000043B0000-0x00000000044B0000-memory.dmp

    Filesize

    1024KB

  • memory/344-2-0x0000000005EF0000-0x0000000005F5E000-memory.dmp

    Filesize

    440KB

  • memory/344-15-0x0000000000400000-0x0000000004067000-memory.dmp

    Filesize

    60.4MB

  • memory/344-17-0x00000000043B0000-0x00000000044B0000-memory.dmp

    Filesize

    1024KB

  • memory/344-18-0x0000000005EF0000-0x0000000005F5E000-memory.dmp

    Filesize

    440KB

  • memory/5112-12-0x0000000004130000-0x0000000004230000-memory.dmp

    Filesize

    1024KB

  • memory/5112-13-0x00000000045B0000-0x00000000045D7000-memory.dmp

    Filesize

    156KB

  • memory/5112-14-0x0000000000400000-0x0000000004043000-memory.dmp

    Filesize

    60.3MB