Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250211-en
  • resource tags

    arch:x64arch:x86image:win11-20250211-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12-02-2025 12:55

General

  • Target

    Client.exe

  • Size

    3.0MB

  • MD5

    8f46c856f33bbb279be7a0726f15016b

  • SHA1

    d53277431505498980f1e460f7fcbb6e5f56b98d

  • SHA256

    7b77cc567a3c5e8a31e8abe7404bc2b39198e51d4b3adae736caf5fbe484e2a6

  • SHA512

    4b0bf3fb9b17e7f194c7ae890ebc2946b0b906223c232d2286d9496c4706622ba83a182d492f6810d275a495bbbe40ab15b3a145e552c916be25e7bc6fc4d6f3

  • SSDEEP

    49152:ojOzoGbbNpVlHGLSa9gUBX3B3kNC3H6vUZlr/NFQ:ojO0ENBGLSm

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Downloads MZ/PE file 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1724
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGluc3RhbGxkYXRldGltZT0iMTczOTI4MjMwMiIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNzUzNTk3Mjc0MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUzOTcyNzEyMzQiLz48L2FwcD48L3JlcXVlc3Q-
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1724-0-0x00007FFFFBEC3000-0x00007FFFFBEC5000-memory.dmp

    Filesize

    8KB

  • memory/1724-1-0x00000223F4430000-0x00000223F4734000-memory.dmp

    Filesize

    3.0MB

  • memory/1724-2-0x00007FFFFBEC0000-0x00007FFFFC982000-memory.dmp

    Filesize

    10.8MB

  • memory/1724-3-0x00007FFFFBEC0000-0x00007FFFFC982000-memory.dmp

    Filesize

    10.8MB