Overview

overview

10

Static

static

3

Franskunde...ng.exe

windows7-x64

10

Franskunde...ng.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

8

Sharing

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General

  • Target

    Franskundervisning.exe

  • Size

    1.0MB

  • Sample

    250212-slrmtawrbl

  • MD5

    6b862962db7aa037aaf704b74ac980f7

  • SHA1

    2ab59b2a03355a184f12b979f3a26394b704399e

  • SHA256

    fb92c92a5bf23b37795192ed7ef4dfa48b20a65df3ff7356b43d288cad204db8

  • SHA512

    c6f5ae5995a79b6961285b0a547addaf0f96e3de45e1efb83ed818489a1ac1c643abc4b6253d186604081570327b166462e090562a32fea62c14392efe2656c6

  • SSDEEP

    24576:LzOEC045b5peE7OxD8NCdaNcsYTNG5HgapN:eEeZXeEaxILAcNgE

Score
10/10
guloadercollectiondefense_evasiondiscoverydownloaderevasionspywarestealertrojan

Malware Config

Targets

    • Target

      Franskundervisning.exe

    • Size

      1.0MB

    • MD5

      6b862962db7aa037aaf704b74ac980f7

    • SHA1

      2ab59b2a03355a184f12b979f3a26394b704399e

    • SHA256

      fb92c92a5bf23b37795192ed7ef4dfa48b20a65df3ff7356b43d288cad204db8

    • SHA512

      c6f5ae5995a79b6961285b0a547addaf0f96e3de45e1efb83ed818489a1ac1c643abc4b6253d186604081570327b166462e090562a32fea62c14392efe2656c6

    • SSDEEP

      24576:LzOEC045b5peE7OxD8NCdaNcsYTNG5HgapN:eEeZXeEaxILAcNgE

    Score
    10/10
    guloaderdefense_evasiondiscoverydownloaderevasionspywarestealertrojancollection

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Disables Task Manager via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      3f176d1ee13b0d7d6bd92e1c7a0b9bae

    • SHA1

      fe582246792774c2c9dd15639ffa0aca90d6fd0b

    • SHA256

      fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    • SHA512

      0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

    • SSDEEP

      192:OPtkumJX7zB22kGwfy0mtVgkCPOsX1un:/702k5qpdsXQn

    Score
    8/10
    discovery

    • Downloads MZ/PE file

    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks