Overview

overview

10

Static

static

10

Uni.exe

windows10-1703-x64

10

Uni.exe

windows7-x64

10

Uni.exe

windows10-2004-x64

10

Uni.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Uni.exe

  • Size

    409KB

  • Sample

    240508-v2b86she88

  • MD5

    7417c8c73e614f293152575f46134216

  • SHA1

    cc68f7f5e7c769efb5b3e06bfb3a2f9329f37805

  • SHA256

    00c7cb06bebe0da961155dc00f7ea7f96a3b04c89ae82408e7ece6968c91c3c3

  • SHA512

    897a859e609028157f2721d76b97497d4b9f821d2b8be3359d1192ddc3a83d4b7449db25c63c3c260067b796c122194c48747dc611c98dc1e33aab82a20b98b0

  • SSDEEP

    6144:nMr2pJAJcC0B632U3GRbMfgvKFFhTEDPX1NbKoEn5MSU+h2f8/14m:LpyJcC+82U3GRGGp1M5Ys2f8/6m

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SLAVE

C2

even-lemon.gl.at.ply.gg:33587

Mutex

$Sxr-dOMA5C0pQTTpKjVsCp

Attributes
  • encryption_key

    UBXs44u6E81wxBGZxQHk

  • install_name

    $sxr-powershell.exe

  • log_directory

    $SXR-KEYLOGS

  • reconnect_delay

    3000

  • startup_key

    $sxr-powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      Uni.exe

    • Size

      409KB

    • MD5

      7417c8c73e614f293152575f46134216

    • SHA1

      cc68f7f5e7c769efb5b3e06bfb3a2f9329f37805

    • SHA256

      00c7cb06bebe0da961155dc00f7ea7f96a3b04c89ae82408e7ece6968c91c3c3

    • SHA512

      897a859e609028157f2721d76b97497d4b9f821d2b8be3359d1192ddc3a83d4b7449db25c63c3c260067b796c122194c48747dc611c98dc1e33aab82a20b98b0

    • SSDEEP

      6144:nMr2pJAJcC0B632U3GRbMfgvKFFhTEDPX1NbKoEn5MSU+h2f8/14m:LpyJcC+82U3GRGGp1M5Ys2f8/6m

    Score
    10/10
    quasarslavespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks