Overview

overview

10

Static

static

3

9b00715d77...4e.exe

windows7-x64

10

9b00715d77...4e.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    9b00715d77438200a4f54fa8f47ac17aab0cc166e95fc6737c2a78021b69a64e.zip

  • Size

    479KB

  • Sample

    241008-yk4hwatdnf

  • MD5

    9ec87de97820ba0d2cde1d703163021f

  • SHA1

    535c84d1982044e5f5753134dc322557e84b4cba

  • SHA256

    3111cc3de9babb4f7fa375cdd32ef0f96f80c66e629843559fd05ac7461f479c

  • SHA512

    afadf0b8f18c7a2debae9310f14359b4b2713a0c2f7fd769165f950ba08ca4e20214b0a91acd3d43d10a43456aafc9e4c55a8d0f717f1a5a036e6bee10ea710d

  • SSDEEP

    12288:mk/ZaCIf1IvudnO+xhRj8tg7DTFcvBN1dzb32mli8/zMAMdEK9dKc:rRaX1Iv2thnyvBN/b32m/oA0z

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      9b00715d77438200a4f54fa8f47ac17aab0cc166e95fc6737c2a78021b69a64e.exe

    • Size

      618KB

    • MD5

      18fb2cccaa9ac71624eaceada006e938

    • SHA1

      a25055a3b29ce0ee64d7e20eccced0f72ec737db

    • SHA256

      9b00715d77438200a4f54fa8f47ac17aab0cc166e95fc6737c2a78021b69a64e

    • SHA512

      5828d7ee60e66afac8d3650930ed8556adc9693ab32ca872cc16f71382568baa471827cee1162393b7bce2c725965bd92377e7960225e43e00aef87754a2215d

    • SSDEEP

      6144:SyI5s2239XH7ySqrVWOqnBRryl2sIgghQtUnQl8uFfKIn4jma8LIwJzSdfoVLg68:H22tH7L0kel2sInQDlxnPn906OLhsI

    Score
    10/10
    guloaderdiscoverydownloader

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      3f176d1ee13b0d7d6bd92e1c7a0b9bae

    • SHA1

      fe582246792774c2c9dd15639ffa0aca90d6fd0b

    • SHA256

      fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    • SHA512

      0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

    • SSDEEP

      192:OPtkumJX7zB22kGwfy0mtVgkCPOsX1un:/702k5qpdsXQn

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks