Overview

overview

10

Static

static

3

cd25f94f8e...4a.exe

windows7-x64

10

cd25f94f8e...4a.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

    cd25f94f8e22e1ca4f4bb2f65a4d904aaa01b57445284b1cf5ea9572873d2b4a.exe

  • Size

    1.3MB

  • Sample

    240522-cw2mrshd54

  • MD5

    ee518fda96d7cb89bad8783aeab7e6fa

  • SHA1

    5dced89b75ece47f8e8c0b19082ed97448f83964

  • SHA256

    cd25f94f8e22e1ca4f4bb2f65a4d904aaa01b57445284b1cf5ea9572873d2b4a

  • SHA512

    b92c661cc02640f4cbc1641b78005d84d176305af07caa92cb26441b0fcb831c31c79db7b5af69d2e331bf5ea1d28f9aa790fc7127cb58fae2224b111275f13b

  • SSDEEP

    24576:d9Q0lIVTRJLpdCW9zTIvwS60x6Hcy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/oY:rQ0lsRdpdBTIYS6VDM77YoOrDX1l2xbv

Score
10/10
guloaderdownloader

Malware Config

Targets

    • Target

      cd25f94f8e22e1ca4f4bb2f65a4d904aaa01b57445284b1cf5ea9572873d2b4a.exe

    • Size

      1.3MB

    • MD5

      ee518fda96d7cb89bad8783aeab7e6fa

    • SHA1

      5dced89b75ece47f8e8c0b19082ed97448f83964

    • SHA256

      cd25f94f8e22e1ca4f4bb2f65a4d904aaa01b57445284b1cf5ea9572873d2b4a

    • SHA512

      b92c661cc02640f4cbc1641b78005d84d176305af07caa92cb26441b0fcb831c31c79db7b5af69d2e331bf5ea1d28f9aa790fc7127cb58fae2224b111275f13b

    • SSDEEP

      24576:d9Q0lIVTRJLpdCW9zTIvwS60x6Hcy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/oY:rQ0lsRdpdBTIYS6VDM77YoOrDX1l2xbv

    Score
    10/10
    guloaderdownloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      b8992e497d57001ddf100f9c397fcef5

    • SHA1

      e26ddf101a2ec5027975d2909306457c6f61cfbd

    • SHA256

      98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

    • SHA512

      8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

    • SSDEEP

      192:PPtkumJX7zB22kGwfy0mtVgkCPOs81un:E702k5qpds8Qn

    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks