Overview

overview

10

Static

static

4f382b6cb8...ce.exe

windows7-x64

10

4f382b6cb8...ce.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f382b6cb87c5413002055e474ea300d53c67bffdf63cb322fc1a55cfcf2e0ce

  • Size

    347KB

  • Sample

    220720-sf73lsghgr

  • MD5

    bddda55fb978f891603a996d531f91ae

  • SHA1

    926d297215144f42cf6d71b04f01f1682b2571f5

  • SHA256

    4f382b6cb87c5413002055e474ea300d53c67bffdf63cb322fc1a55cfcf2e0ce

  • SHA512

    5a40b1f769778bd7ac64e38f285770f0e7257b15e2fefe52baa4af5164bd2b325407aece01c47ed7435136b464b6a486399f9f66f4e7bc81e0be360614bdfa38

Score
10/10
xtremeratpersistenceratspywareupx

Malware Config

Extracted

Family

xtremerat

C2

securecenter.sytes.net

Targets

    • Target

      4f382b6cb87c5413002055e474ea300d53c67bffdf63cb322fc1a55cfcf2e0ce

    • Size

      347KB

    • MD5

      bddda55fb978f891603a996d531f91ae

    • SHA1

      926d297215144f42cf6d71b04f01f1682b2571f5

    • SHA256

      4f382b6cb87c5413002055e474ea300d53c67bffdf63cb322fc1a55cfcf2e0ce

    • SHA512

      5a40b1f769778bd7ac64e38f285770f0e7257b15e2fefe52baa4af5164bd2b325407aece01c47ed7435136b464b6a486399f9f66f4e7bc81e0be360614bdfa38

    Score
    10/10
    xtremeratpersistenceratspywareupx

    • Detect XtremeRAT payload

    • Modifies WinLogon for persistence

      persistence

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

      persistencespywareratxtremerat

    • Adds policy Run key to start application

      persistence

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

3
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks