Overview

overview

10

Static

static

10

virussign.exe

windows7-x64

10

virussign.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    virussign.com_1bc0e4769e7c8d200892a2b1450961e0

  • Size

    212KB

  • Sample

    220716-j4f5csbcam

  • MD5

    1bc0e4769e7c8d200892a2b1450961e0

  • SHA1

    08b0805ed34458af16a73e494999ad2e8ba83655

  • SHA256

    7a3c203d3668423e2bf6e11568ceeac3c5081d06f304db0db39fea341833323e

  • SHA512

    406170bf43063a2b18359560d73ef0c3bb0726d3f0d180d3aa02e504ac0cda3eb408606f8932ed35e4e0a84f1d04cbe0fa6212d910a33089dc496d8dd644a502

Score
10/10
sakulapersistenceratsuricatatrojanupx

Malware Config

Targets

    • Target

      virussign.com_1bc0e4769e7c8d200892a2b1450961e0

    • Size

      212KB

    • MD5

      1bc0e4769e7c8d200892a2b1450961e0

    • SHA1

      08b0805ed34458af16a73e494999ad2e8ba83655

    • SHA256

      7a3c203d3668423e2bf6e11568ceeac3c5081d06f304db0db39fea341833323e

    • SHA512

      406170bf43063a2b18359560d73ef0c3bb0726d3f0d180d3aa02e504ac0cda3eb408606f8932ed35e4e0a84f1d04cbe0fa6212d910a33089dc496d8dd644a502

    Score
    10/10
    sakulapersistenceratsuricatatrojanupx

    • Sakula

      Sakula is a remote access trojan with various capabilities.

      trojanratsakula

    • Sakula payload

    • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

      suricata: ET MALWARE SUSPICIOUS UA (iexplore)

      suricata

    • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

      suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

      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.

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks