General

  • Target

    5d3a7e5e8a47e02d61ac9d00cf971084b71302d7a4336646ec89cfcfd123e7ad

  • Size

    104KB

  • Sample

    220724-svh22ahaen

  • MD5

    41b8ebea130af2dce87ef474e0da2fc2

  • SHA1

    bc365851c8eac8d54217c3460c3d29f1044f8ac2

  • SHA256

    5d3a7e5e8a47e02d61ac9d00cf971084b71302d7a4336646ec89cfcfd123e7ad

  • SHA512

    eeb11bba8f876fd5a825d4a8dfe18bb9a8a1c5050c152c69f7ee1383dfd612e268873a02546f7e5f9b60f4c7a3369e575fc995a02447f96f6305a3340d27205a

Malware Config

Extracted

Family

guloader

C2

https://hleborezka.net.ua/binn/ba_encrypted_88115CF.bin

xor.base64

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.menawealthventures.com
  • Port:
    587
  • Username:
    grant.onedo@menawealthventures.com
  • Password:
    $Urhobomena1965

Targets

    • Target

      5d3a7e5e8a47e02d61ac9d00cf971084b71302d7a4336646ec89cfcfd123e7ad

    • Size

      104KB

    • MD5

      41b8ebea130af2dce87ef474e0da2fc2

    • SHA1

      bc365851c8eac8d54217c3460c3d29f1044f8ac2

    • SHA256

      5d3a7e5e8a47e02d61ac9d00cf971084b71302d7a4336646ec89cfcfd123e7ad

    • SHA512

      eeb11bba8f876fd5a825d4a8dfe18bb9a8a1c5050c152c69f7ee1383dfd612e268873a02546f7e5f9b60f4c7a3369e575fc995a02447f96f6305a3340d27205a

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • AgentTesla payload

    • Guloader payload

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks