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Analysis

  • max time kernel
    151s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 01:09

General

  • Target

    e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe

  • Size

    54KB

  • MD5

    04c4553c0a90ce1678e23e9caeb1e638

  • SHA1

    f5e8af3974ecff65dbd7438c492c26073dbdc33f

  • SHA256

    e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587

  • SHA512

    d1f188b4b1f2e255e2f6de3ca4a76ade1dd32f9126a284acadb65cebec875f98f3755124124b8ea17c50e4137445b04144e51762d408877d6eee48d23d9f5b02

  • SSDEEP

    768:qiIofHSeDVtA/Wy8XIvguzGZkmNi8KicZu4CHzGmSVbRnb1UGme4oUL3zePZo5YC:qSrCJRvghVNDuZ0Gm4V1UGm3oozeR9o

Malware Config

Extracted

Family

xtremerat

C2

撰hack4ps.no-ip.info

6JhgEskcretMKY0gNfPERSISTxkiller.no-ip.info

Signatures

  • Detect XtremeRAT payload 2 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
    "C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
      C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1712-54-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-55-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-57-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-58-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-61-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB

  • memory/1712-62-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-63-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1712-64-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB