Overview

overview

10

Static

static

10

13ddb4c563...18.exe

windows7-x64

10

13ddb4c563...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    13ddb4c563aa5d65f2a9822d50e3b92f_JaffaCakes118

  • Size

    358KB

  • Sample

    240626-3dmc8szejd

  • MD5

    13ddb4c563aa5d65f2a9822d50e3b92f

  • SHA1

    2e1ccddf584175c3bd62ac8d0173fdb6ae73ea10

  • SHA256

    29b58aa0ac40523e606e3a10258de337d2e76815b279402babc18e2bb410aab9

  • SHA512

    ad7f92b70e64b04c3dde1b9519d88c237c62dd74d6929e17e968ce6a969449fd79caa1dca658294234759d17d9f5545ebf6fec87f5aa0c45b469c7fd27598f96

  • SSDEEP

    6144:rJqQ4i1FFiEKhtpoidubrUX5v7N/Vyfs5uI:Fpli3poidD5jN/sfs5uI

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

almammory.hopto.org:1177

Mutex

QSR_MUTEX_uvFpjg4C7Cxl60AUEGAUEGGMUTEOO

Attributes
  • encryption_key

    WVQm2WP2iovscPfuELDp

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      13ddb4c563aa5d65f2a9822d50e3b92f_JaffaCakes118

    • Size

      358KB

    • MD5

      13ddb4c563aa5d65f2a9822d50e3b92f

    • SHA1

      2e1ccddf584175c3bd62ac8d0173fdb6ae73ea10

    • SHA256

      29b58aa0ac40523e606e3a10258de337d2e76815b279402babc18e2bb410aab9

    • SHA512

      ad7f92b70e64b04c3dde1b9519d88c237c62dd74d6929e17e968ce6a969449fd79caa1dca658294234759d17d9f5545ebf6fec87f5aa0c45b469c7fd27598f96

    • SSDEEP

      6144:rJqQ4i1FFiEKhtpoidubrUX5v7N/Vyfs5uI:Fpli3poidD5jN/sfs5uI

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Resource Development

Reconnaissance

Tasks