General

  • Target

    DD-18092023.doc

  • Size

    72KB

  • Sample

    230919-hkr7vafd2v

  • MD5

    3759689edfb57ad919ccef034d098474

  • SHA1

    5c46f544dbe6d9d169b62e5ff3e473887c495810

  • SHA256

    910585dc854d7d426da46658ef550dd9c3f2303777d94193a8e765a5f711d9ca

  • SHA512

    2efa5b32fc72715d7945bdaf9fcf7c57d1460c1e6cf09b5d4b9928330adb52ea2c93af9d7709248163e4878ae71cf269170bd3d926c2d22efa3b47678f02ff27

  • SSDEEP

    768:rwAbZSibMX9gRWjjVwqWth+vVEUy4HFzAYYwCQbvGIl9IiMKpsg:rwAlR+VwhzQOUyMFzAPwmIlOapt

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    obilogs@hulkeng.xyz
  • Password:
    7213575aceACE@
  • Email To:
    obilogs@hulkeng.xyz

Targets

    • Target

      DD-18092023.doc

    • Size

      72KB

    • MD5

      3759689edfb57ad919ccef034d098474

    • SHA1

      5c46f544dbe6d9d169b62e5ff3e473887c495810

    • SHA256

      910585dc854d7d426da46658ef550dd9c3f2303777d94193a8e765a5f711d9ca

    • SHA512

      2efa5b32fc72715d7945bdaf9fcf7c57d1460c1e6cf09b5d4b9928330adb52ea2c93af9d7709248163e4878ae71cf269170bd3d926c2d22efa3b47678f02ff27

    • SSDEEP

      768:rwAbZSibMX9gRWjjVwqWth+vVEUy4HFzAYYwCQbvGIl9IiMKpsg:rwAlR+VwhzQOUyMFzAPwmIlOapt

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks