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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2023, 18:41

General

  • Target

    tmp.exe

  • Size

    35KB

  • MD5

    aa1ad291d5d8c8a85d67fdebda00274f

  • SHA1

    d95247076cb691c52473fabcce13dcc481ae11aa

  • SHA256

    9668fa123ac5d63243a973a70418c32c6405b636d54c8705d6656c3be4969ae5

  • SHA512

    c00c191f50ce72128d71ee28d06f8800c590e03b0cfde5f8c0c46af6edf51c54bc85cc6bb128f4ce5ff0ae9e533628eabe587e52cd5c1aae12a96ac422d86da4

  • SSDEEP

    384:81ThpqXsIUe603z2hp0JIwkLO41KKuDXzBXslXVf+gtF1BLTiZw/WNnvK9IIku8M:8i2hp0KfObKeYXV/F39efOO9hI3vxME

Score
10/10

Malware Config

Extracted

Family

xworm

C2

20.56.93.201:1604

Mutex

LsHrpmVtuRP6SOPB

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:4632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4632-133-0x0000000000D70000-0x0000000000D80000-memory.dmp

    Filesize

    64KB

  • memory/4632-138-0x0000000002F10000-0x0000000002F20000-memory.dmp

    Filesize

    64KB

  • memory/4632-139-0x0000000002F10000-0x0000000002F20000-memory.dmp

    Filesize

    64KB