General

  • Target

    IMG-Proforma INV#01884938837 & SOA Overdue Bill.r00

  • Size

    720KB

  • Sample

    221208-l3lpkace9w

  • MD5

    5c533840de80843bb0519c527b7df381

  • SHA1

    a232bbb0f8c2a311ccfef73ff814b306a7bb088e

  • SHA256

    f00ee5090075ffe1b3785295e401f38c5446b1e2076de1c88e646958ff6363be

  • SHA512

    df696b13d8169ce8d84e6b3855e61986fe3dd7acfe1f52934b871ca3b53db4c2ead3980e6f9669bfffe2ec52e4475755a380a0be820dd13dc5650ad23b6228f9

  • SSDEEP

    12288:mNeMCRNUhD0Pz6rfadTm0cE1TV+lv9G7yb2Dxormo5eyuSO8F+Rn5002+VsZkE:/MeO0r6Wp+IslvY7yiNCeOFc51ZSb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tegzw-com.cf
  • Port:
    587
  • Username:
    admin@tegzw-com.cf
  • Password:
    k6C[HUoih&9&

Targets

    • Target

      IMG-Proforma INV#01884938837 & SOA Overdue Bill.exe

    • Size

      880KB

    • MD5

      4539061d908b8efb290f3d8326482324

    • SHA1

      cfb842136aaee73a35801e60eb898aeb7df7d5c7

    • SHA256

      66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81

    • SHA512

      e2c805525fc16a243550c633dcb97e5ff28b81652cfa08b79543ae4d065c80b04a637188d559ad659c97be1d3ae8ace907d0c222f16b10ff95ff2a3b8759a4eb

    • SSDEEP

      24576:9HZFWD/I1REDicfWwQXGTPcABRGrnyzccWwg5+RbZV:q/IkZfWwQXMc3yjee1

    • AgentTesla

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

    • 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

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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