General

  • Target

    customs declaration form (china translate).7z

  • Size

    292KB

  • Sample

    231207-nbes2shh56

  • MD5

    357402c30d14d2c8eca57a45c08f751d

  • SHA1

    0596e81d3b3c25bd17f89c972ca04b539028de7a

  • SHA256

    06ce6463931599eb3683d2db8a0d3a519b3c7d2d5b5325232e9cf03d4d4329ad

  • SHA512

    f4a4263d780e3fbdf25139c770e59bea03485eb4f860a067348165a1268fd6fa9ae56ba7d116cca58ef5bf70c94306800d5156b65e99dfc1a3c0bc804385a05b

  • SSDEEP

    6144:yv0Hnx7tTWAGK6pzVXUpbMk0LMbnNGEGiHqh4fjnLlqx9m:7fbYxChnN1GiS4f8x9m

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      customs declaration form (china translate).exe

    • Size

      347KB

    • MD5

      f6b88b481ab6cdea460737d59ad3dfda

    • SHA1

      eae0e490af400787d6afd2305c9a6609b7dccab3

    • SHA256

      5f918d7bd2348f90d00f38003918dc9e614741d42f7157bff50cfac0e2d4fe06

    • SHA512

      54e17482ce07754023c3a60d4b3b08917a506798ab47c834d9b65a197300067e248fdcb627d303a930c616fd9ce7b4b5ff3e32bddd6646aae004e4716f397f5f

    • SSDEEP

      6144:7pOKFvmdgaAPcWAGKxphVXUdbV10UMSn03EqXHqlXQso/4cmLpTqJjM:gkv+1zbbDUZn00qXe3ux

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks