General

  • Target

    WITTE - Request for quotaton pdf.wsf

  • Size

    260KB

  • Sample

    240625-qg73wssamg

  • MD5

    f7f9b3b41b35e66e03d06c3109197c74

  • SHA1

    5d9a985bcf0828bd1bfbaf887919500463e0868c

  • SHA256

    e813ca35b7ea1a0eac973cf375a99f6e61f4322abd8569be9814852144b71ae8

  • SHA512

    836d4db4af2e6f39ded3ee5ff3d6d8539de902e632defa0664b14bbf3639fe8c12c792e248b189fef48f4c663337b5ce0bf0738d75a7e788c366a0f6e8f75ac0

  • SSDEEP

    6144:HWyOEs2Gt8zApmzaFKlc/IgwtB0QsZqNbnWsn25qhOnQZ7aTlAk3Oe27g8R0WLnJ:y2tpgE2MhihlC84j2G

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.cefin.bg
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    #UuXy?6cIbL+

Targets

    • Target

      WITTE - Request for quotaton pdf.wsf

    • Size

      260KB

    • MD5

      f7f9b3b41b35e66e03d06c3109197c74

    • SHA1

      5d9a985bcf0828bd1bfbaf887919500463e0868c

    • SHA256

      e813ca35b7ea1a0eac973cf375a99f6e61f4322abd8569be9814852144b71ae8

    • SHA512

      836d4db4af2e6f39ded3ee5ff3d6d8539de902e632defa0664b14bbf3639fe8c12c792e248b189fef48f4c663337b5ce0bf0738d75a7e788c366a0f6e8f75ac0

    • SSDEEP

      6144:HWyOEs2Gt8zApmzaFKlc/IgwtB0QsZqNbnWsn25qhOnQZ7aTlAk3Oe27g8R0WLnJ:y2tpgE2MhihlC84j2G

    • AgentTesla

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks