General

  • Target

    cdf2fecfefa949e315f8f0b887a11cd2d7c3a000af79ee637b25052eac663adc.rar

  • Size

    654KB

  • Sample

    240328-c366tsba37

  • MD5

    ac56e339e6b154f878813d46a579c4e1

  • SHA1

    892e89fd0b98b0cbd211566b263a2b4520608a70

  • SHA256

    cdf2fecfefa949e315f8f0b887a11cd2d7c3a000af79ee637b25052eac663adc

  • SHA512

    70c4ab697d6528b93a4ca5bc501386c43b749e25528d03cac4890a62162c3e6950a49e71ee383f25eed24b3d613c2457a1a2771495fbf4e108143fc1e4d11369

  • SSDEEP

    12288:j7PWp0TQ3nSuW73kAqu+yhYIo+sWgRvu4Kw13UZ9DeEUYYluNwuuBN7cW:j7e6oST73xqu+yGLmw13UZ9DUZENo/4W

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starmech.net
  • Port:
    587
  • Username:
    electronics@starmech.net
  • Password:
    nics123
  • Email To:
    godwingodwin397@gmail.com

Targets

    • Target

      PO 20240105.exe

    • Size

      740KB

    • MD5

      81d099f1008d98346919c22f105e26e5

    • SHA1

      de77e686d32adca574703621974811dc6c7d3b31

    • SHA256

      1ddead5d6964c8e382d3b2ea694774ff58486bcfb7996015561cc9a03c61b536

    • SHA512

      b174aa74461edcc8afee22134084d6de4001fdf5d7012fbcd904f119d3959d776b43fd91a25147c20d2dcfa0d18eeb0b554155d2c7380d55030e6dd2e28bf794

    • SSDEEP

      12288:Wd1JsJ6SH1Sh2iNwCZDcTsTmmk82Zzl2VLlh5AMOYFC6Vljc4J+G30NuqDpfLpPd:Wd4w1GQQABk1Zzl4ph5vtCi0hBDpfLG

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks