General

  • Target

    677af94bd1064fd89adf4b87a0e0159b8e448fb92265f30b6a09b60617df5b02

  • Size

    438KB

  • Sample

    220521-dcgzpafdd2

  • MD5

    64ee8511c1eab3e5fc5d8c9b612c065f

  • SHA1

    d4d12dfb54da69db6d87605e4c012658ef7f9654

  • SHA256

    677af94bd1064fd89adf4b87a0e0159b8e448fb92265f30b6a09b60617df5b02

  • SHA512

    41010daf6c0a9ed8abcaef39e6916b7c773df21236ff44e88127a275717f3b828165945bfb9c7b6678ec7ed916971892464ff549fe23f6e53945b4a8e9be4836

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pro-powersourcing.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    china1977

Targets

    • Target

      NEFT Payment Receipt.exe

    • Size

      522KB

    • MD5

      db56d94b3df3bead6e010931aa0d379d

    • SHA1

      9a52da05adad71adf8ce20cf12110f8ed45dc55f

    • SHA256

      590d32924480f6d5306978feb7fea108eebfea73a42f50f7e06ddd7dd6db9269

    • SHA512

      4ffdc06cb0a93d7893c15a9422185955db29b0eea480cfde5a134e7c51568a67d648896da01b4cf2d651bfc7c393a6506a61d070cabc096e31dfb81da4433cf9

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks