General

  • Target

    bock.rar

  • Size

    2.8MB

  • Sample

    230615-k4qt8sfe73

  • MD5

    a3392e425891c2b0c08dc5d6143487bc

  • SHA1

    3c36ba83c9d891944072d6e17651c9b98a29ddbb

  • SHA256

    52b0c7ba7b68715c8395e51206038b134df91ff61fea0cfeaeed1f500fef5531

  • SHA512

    48447db50093a1f75b8909b67b63f600cf25861da20275403351805cf8b0517f2049ec6e614c22b1fc72d63dcf5bcd6204b2f370c32bb15009dfa7a5f45b7c79

  • SSDEEP

    49152:YlZxNwQ1ghwl+mIT5POcUf0RwO02SM5z+nyyywPlrzaEIlJSvFmVMpfqorq:Y1NwQ1H0m2ROcUMRO/Mhn0PlnaEmJSve

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rzr0ngtai.com
  • Port:
    587
  • Username:
    menu@rzr0ngtai.com
  • Password:
    bhYdc$I2
  • Email To:
    menu@rzr0ngtai.com

Targets

    • Target

      bock/68h36s.js

    • Size

      3.4MB

    • MD5

      3b959fc03975f45aa625b6a1f43ad1e7

    • SHA1

      108be164a2b0419fa90dbfb84e20c43148786e31

    • SHA256

      3865bbd46883751b05019a0479e8367cbc91d14e04ad915a79f6408df78d5cad

    • SHA512

      4ad6850c0da013ed3538d50f99e4b79ecf7c748f7f4a40c52a8ec37c1e9845871e82a9edb914b339f2e4a49f5e034a30ae4462bc624752df3c3f3b2c8fd95a3d

    • SSDEEP

      24576:vJTSZkTHrXCowam0gGHmjSGszTwn3ztdCPBItPbQTQgIO34L3HMWcscZq4KZ4YMS:HE5

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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

    • Target

      bock/6rdchb.exe

    • Size

      6.1MB

    • MD5

      43d1bfe3d7998a15b3f315493281336e

    • SHA1

      8bce78b3e120f8e96e0e896f04e77d64291a1d39

    • SHA256

      27e8311a78358fac78a90f16012fb37e44ba7a57243346aefad8ca6e069b8d60

    • SHA512

      67b355dddc9a5bd91ade586b369145475e13a5125a07bc1bc70067b08a9dd2b1c57ab2505c56151f70b54b6d4139354604f0fc1b66729245da3989c773bada71

    • SSDEEP

      49152:6Bf8QvuxNDfrb/TAvO90d7HjmAFd4A64nsfJLppiGr6KsUKfnNo2l15AoBfVB5uK:vNtQNXL4N63ENr

    Score
    1/10

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks