Overview

overview

10

Static

static

5410c77ad0...c7.exe

windows7_x64

10

5410c77ad0...c7.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    5410c77ad0244714eda03ca8d338566d69149133a9f97bd86dc0c04479a4d2c7

  • Size

    502KB

  • Sample

    220707-alj9machg5

  • MD5

    82d55cb13eaaa5e5b525de3d5be4457e

  • SHA1

    e5f5eaf91a350d343b3cc83124ac18d88a14e67c

  • SHA256

    5410c77ad0244714eda03ca8d338566d69149133a9f97bd86dc0c04479a4d2c7

  • SHA512

    6d83a12778a44599f2182b5723d58d3c08dbb435945ec27e97773841fd0633594fff37b0b6c5af268046a3b5966b9c5e4fa882699674c9136161fe57ed457b27

Score
10/10
evasionpersistencesuricatatrojanupx

Malware Config

Targets

    • Target

      5410c77ad0244714eda03ca8d338566d69149133a9f97bd86dc0c04479a4d2c7

    • Size

      502KB

    • MD5

      82d55cb13eaaa5e5b525de3d5be4457e

    • SHA1

      e5f5eaf91a350d343b3cc83124ac18d88a14e67c

    • SHA256

      5410c77ad0244714eda03ca8d338566d69149133a9f97bd86dc0c04479a4d2c7

    • SHA512

      6d83a12778a44599f2182b5723d58d3c08dbb435945ec27e97773841fd0633594fff37b0b6c5af268046a3b5966b9c5e4fa882699674c9136161fe57ed457b27

    Score
    10/10
    evasionpersistencetrojanupxsuricata

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • suricata: ET MALWARE Win32/Ramnit Checkin

      suricata: ET MALWARE Win32/Ramnit Checkin

      suricata

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

8
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks