Overview

overview

10

Static

static

3

doc1172432.exe

windows10-2004-x64

10

doc1172432.exe

windows11-21h2-x64

10

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-21h2-x64

3

Sharing

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General

  • Target

    doc1172432.arj.zip

  • Size

    700KB

  • Sample

    250417-na1dcssxcv

  • MD5

    19d9da7b20f1f281bb6ac39fd6255725

  • SHA1

    aa73a6507ad1be560ecd2dc6620ff7ef332b3abf

  • SHA256

    544ef5cb3ba43587fe78de903f7d56d27dbbd12d912617c57b57101e5998843b

  • SHA512

    9db03cb99082dbab7bee98e52a1f6b4030bc1745de9c563dae7d4bbacabea2c36dfde766f1f2e34cf28e875bbb368479bd8ca22dd7783d6710f6e411bf581ea5

  • SSDEEP

    12288:ZQpcwRCTU6CGkVx5mIqBfw0iGUxcWoJr0TXrXvqCNh+U4wlQNNux4/XH7n4Ay:WpXfcYx54MGScWmCrXCCBx4Pj4Ay

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      doc1172432.exe

    • Size

      722KB

    • MD5

      a27844538feaff20e4fbe39992338bbe

    • SHA1

      d769586f66753fc8507150e0acec662920d0d7b0

    • SHA256

      fb84f716815f754bb0d14c94098da7d16ac3ff6caae85d110f0f96c8fb83fe24

    • SHA512

      65c1563c62fb8b508dbe722690435e600e4ad97f0beff06876e852953b5d8961cf47afaf8f285fd154a0175fbd14de035e59011d2f3e31823fd3c20ab92f092a

    • SSDEEP

      12288:yY/5cwRCTU62skVx5eIqBfwYiGUxiWovro7XrXxqCzh+iKwvQNNux+/XH7P4A3D:yY/5XfgYx5wKGSiW+QrXMCHx+PT4Az

    Score
    10/10
    guloaderdiscoverydownloader

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      cff85c549d536f651d4fb8387f1976f2

    • SHA1

      d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    • SHA256

      8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    • SHA512

      531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

    • SSDEEP

      192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks