Analysis

  • max time kernel
    104s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2025, 11:00

General

  • Target

    2025-04-07_a1113a22163c4b10d1af64da9bcd2567_amadey_cobalt-strike_cobaltstrike_smoke-loader.exe

  • Size

    4.7MB

  • MD5

    a1113a22163c4b10d1af64da9bcd2567

  • SHA1

    10853fb68c951a4ecf51b84b22fbcfe3beedad66

  • SHA256

    eb0349ee317c0e608391acdde170ae7564f5f1dae1ea6a717de14fe7a8a8d63a

  • SHA512

    ea5b1006515df6087652162f7113ec7a1e5ae9fa4de7de494d6b0623dfd1614e42644290d2fa5527f7cbf13f7a8c8368cfea811f7274b955c4bf589b279e95f9

  • SSDEEP

    98304:nVidQWbsgvS6gpSTWmjlKjAyljgkuF1fqL1enHzb/UQ:ViXbrS6gIWoKFGkkiL0AQ

Malware Config

Signatures

  • Cobalt Strike reflective loader 1 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Cobaltstrike family
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 10 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Modifies Internet Explorer start page 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-07_a1113a22163c4b10d1af64da9bcd2567_amadey_cobalt-strike_cobaltstrike_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-07_a1113a22163c4b10d1af64da9bcd2567_amadey_cobalt-strike_cobaltstrike_smoke-loader.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:5504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\8d19d0e8d5fcbfdcd3d915bf7314\2010_x86.log.html.exe

    Filesize

    5.0MB

    MD5

    f9f268f9c6d1d645d166ae2112def523

    SHA1

    80f42ef68f6fe247892f2a500566b15b0e655dbb

    SHA256

    c16f5ca33cab25c89ceecc435b22de7a17fa6a47830e5fb67afa42e3be4c754e

    SHA512

    1a2266c5f076865ef911911cc0996a22ed827e37dd2cc7c60a678cbe9c293e803e155483137ae82aaf9c707183dcffa0d7c992f8f395d01d556c65510e4b005a

  • memory/5504-2852-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-1-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/5504-698-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-696-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-1685-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-0-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-4055-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-5058-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-5061-0x0000000000060000-0x0000000000062000-memory.dmp

    Filesize

    8KB

  • memory/5504-5065-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-5066-0x0000000000401000-0x00000000010B5000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-5067-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/5504-5068-0x0000000000401000-0x00000000010B5000-memory.dmp

    Filesize

    12.7MB