Overview

overview

8

Static

static

SystemUtilities.exe

windows7-x64

8

SystemUtilities.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    SystemUtilities.exe

  • Size

    7.8MB

  • Sample

    230119-vrhm7sgf75

  • MD5

    133af41cfec522b7f583fcf77be37b1a

  • SHA1

    50fde70e193eeea8d15c13dfc62cdcb4cbc2bcd0

  • SHA256

    cc8aadd479d95364429457b2911f166f48c396bee21e5a77316101674b0ad8f1

  • SHA512

    714baab2cbc51069b1c3cd47531727916ab9405174021ae2dbe2eabebe96e6abc77fef8b4f4ceccac61eff70487f10e87208294f58f683964dee5830d504b64d

  • SSDEEP

    196608:JCXg6nbZkgUb74kWg/KrviA3YuC1HmkNCTcOPVftbnc:SgmZkr73SvQ7gkYT7Pttrc

Score
8/10
discoveryexploitpersistence

Malware Config

Targets

    • Target

      SystemUtilities.exe

    • Size

      7.8MB

    • MD5

      133af41cfec522b7f583fcf77be37b1a

    • SHA1

      50fde70e193eeea8d15c13dfc62cdcb4cbc2bcd0

    • SHA256

      cc8aadd479d95364429457b2911f166f48c396bee21e5a77316101674b0ad8f1

    • SHA512

      714baab2cbc51069b1c3cd47531727916ab9405174021ae2dbe2eabebe96e6abc77fef8b4f4ceccac61eff70487f10e87208294f58f683964dee5830d504b64d

    • SSDEEP

      196608:JCXg6nbZkgUb74kWg/KrviA3YuC1HmkNCTcOPVftbnc:SgmZkr73SvQ7gkYT7Pttrc

    Score
    8/10
    discoveryexploitpersistence

    • Executes dropped EXE

    • Possible privilege escalation attempt

      exploit

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Modifies WinLogon

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Security Software Discovery

1
T1063

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks