Overview

overview

10

Static

static

10

Malinovka Install.exe

windows7-x64

10

Malinovka Install.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Malinovka Install.exe

  • Size

    319KB

  • Sample

    240427-pbmpbsag6w

  • MD5

    f69924b642ac4b9ef1dfacdfd43759a9

  • SHA1

    95da50564c7cbc3749148419c68a08b0f2869ee1

  • SHA256

    d9b248ce98a243a37d33096fc7b1cad784ee77f5920b0bd6618a6690ca426f18

  • SHA512

    2334511265c507d16b3a323c721a392659feb405a5d9fea588146c4ef320261166312c2fcf8f494c4aa342e0b5a9d5da20576ce2d6ae1e3215ee47dcc19f5e07

  • SSDEEP

    6144:48loZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmiW2brXv5P:7oZRL+EP8DDUgoOJBiLHaIJtMQIL/5P

Score
10/10
umbralxwormratspywarestealertrojan

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1233119648527159317/Az86qBZQwyED_alc1sGO6UWR18PzIJCJX0PM3XdL1VTOwZPXr0B4Rc6-GqAkKUjg4Jn2

Extracted

Family

xworm

C2

phentermine-partial.gl.at.ply.gg:36969

Attributes
  • Install_directory

    %AppData%

  • install_file

    Client.exe

  • telegram

    https://api.telegram.org/bot7080511499:AAGFFOA3S2vvwmEy85SIMhKHrMsAdBoLR2Y

Targets

    • Target

      Malinovka Install.exe

    • Size

      319KB

    • MD5

      f69924b642ac4b9ef1dfacdfd43759a9

    • SHA1

      95da50564c7cbc3749148419c68a08b0f2869ee1

    • SHA256

      d9b248ce98a243a37d33096fc7b1cad784ee77f5920b0bd6618a6690ca426f18

    • SHA512

      2334511265c507d16b3a323c721a392659feb405a5d9fea588146c4ef320261166312c2fcf8f494c4aa342e0b5a9d5da20576ce2d6ae1e3215ee47dcc19f5e07

    • SSDEEP

      6144:48loZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmiW2brXv5P:7oZRL+EP8DDUgoOJBiLHaIJtMQIL/5P

    Score
    10/10
    umbralxwormratspywarestealertrojan

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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.

    behavioral1behavioral2

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks