General

  • Target

    Product Information.img

  • Size

    2.4MB

  • Sample

    230328-rcfnhsda8t

  • MD5

    978811adc951f6476d8faacb3cd10180

  • SHA1

    dd2a631945086cae5818ef5ee058f1fc4f07b456

  • SHA256

    0e6e84d2b0c5e068a569ed89fd3cf6078c07a89cc1ced4d43da947d3fb5c331d

  • SHA512

    2978cc6949b194a06535f33103b4486cc02ca659d0c9541a47f8f413d871cb0b6169e5b19d3de57643cdc9bd09022f670e38e246e3980d04331066a8c701a8a8

  • SSDEEP

    24576:1HF9lwAzp8bY1KKtu1Dze6HDpLuhyleNUQggSwVSCrFCmejtZ34qVUu9YMTAyMrc:zwuyll0HAmASJZ6hGiAXBNxot

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.yurabeauty.com
  • Port:
    21
  • Username:
    zzz@yurabeauty.com
  • Password:
    computer@147

Targets

    • Target

      Product Information.exe

    • Size

      2.3MB

    • MD5

      1bd0da24111aeecb224a8e7efb0b16a9

    • SHA1

      81b1b013d0d880543b62825caec86772271a0f7e

    • SHA256

      e37407c73671a517423ddaa15cf05ff2f90659de57dd777480db965f25a528d7

    • SHA512

      ef6e76af13dcde118995135b8ee0e5293ed433e378b7bb84a0bceeb3ac082f3f5090b1943807ea83f156d2c17555490f04251bcb21e5a913ab8620500af10bf8

    • SSDEEP

      24576:nHF9lwAzp8bY1KKtu1Dze6HDpLuhyleNUQggSwVSCrFCmejtZ34qVUu9YMTAyMrc:lwuyll0HAmASJZ6hGiAXBNxot

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

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