General

  • Target

    b1d8a3f59acf0ff87a7254825344ea794aacbbcdd5802b1ee71d55b55828af1b

  • Size

    740KB

  • Sample

    220520-3y83qshgd3

  • MD5

    7d887c80e95e282523b129ac7810d7bb

  • SHA1

    b5392958880f848918e6e667fa3927b828392761

  • SHA256

    b1d8a3f59acf0ff87a7254825344ea794aacbbcdd5802b1ee71d55b55828af1b

  • SHA512

    e277a35769a046bdfee813f6faf5921ae1ccc3b1d1b25d5f32db779426a6299761da7c85b43387ba3ba4622dd0bf1acb3eb3e33921e37c2926c1eb47009f0ed9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    connect

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    connect

Targets

    • Target

      New Order.exe

    • Size

      680KB

    • MD5

      8b8285fa83c422b6b412be5d03c6ffa2

    • SHA1

      156d5c6789406b42946d01ff9924b157731142dd

    • SHA256

      397430a16d115d42056de1dca482e0fd9290ce8cbe6c45a614cac0fc85983a72

    • SHA512

      3c7a9815ad44d6f94abe26cbc41dbc986df1a9ae9d6435b166375316667c5999b222d9160c9bbf2554fa888d550cddfbe9c9ea099e2603993cc9ee14c72dc89a

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks