General

  • Target

    32dd0a80090ae3af8bd00fd8babf21fe4a769805e0ee4632114d50268bbd1127

  • Size

    396KB

  • Sample

    220521-pmzg9saggj

  • MD5

    38454cd055ab7e4910151989822f91f6

  • SHA1

    d5b7a7acd86ae97e2d47f49229beefc8f5d000a3

  • SHA256

    32dd0a80090ae3af8bd00fd8babf21fe4a769805e0ee4632114d50268bbd1127

  • SHA512

    efe5752e5383ae64b8118a97a57de0fc4483c1f55832a0ca79f6caf1b28efa2df179570d175672d92a846064722615fc8a86879576a60bfae7262b1b07d83615

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cpworldindia.com
  • Port:
    587
  • Username:
    import.cs@ahd.cpworldindia.com
  • Password:
    imprtcs@2019

Targets

    • Target

      order 20- 0011718..exe

    • Size

      426KB

    • MD5

      583a510813764348af0c5c3d2b6f9385

    • SHA1

      be80f78c782d612fca9128cdfefc9b324ae653eb

    • SHA256

      aec020a6546f4efe2d5766ae7e7da2816c11badee1879d37de7845538b03035b

    • SHA512

      b82acd5b8e864c0b83be494d88cd97f891cd1a5e47acbb5a425af353d3c9e7d868be10da0fd0c568de1e3478460be690ff0b648865b7f136983b434ce24fe32e

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • 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

    • 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

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