General

  • Target

    772599fcf2724b31d7e8015dc109370b0f19ef0ae78390f7c225f7e526664fb5

  • Size

    374KB

  • Sample

    220521-n52vnshghp

  • MD5

    4d14a8cefc8f3f7c2de14d79db1871bf

  • SHA1

    edf5df3151aceae79ea5459c405f390a12705077

  • SHA256

    772599fcf2724b31d7e8015dc109370b0f19ef0ae78390f7c225f7e526664fb5

  • SHA512

    509d08213f7014a34ee60702aa8852022f0fd9704d243d74a299144540d7af8181a8e17ddd33f41667cd39608e38739b239c313400ee6eb63f65ead9044f30fd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.okgrocer.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Theunis@123

Targets

    • Target

      New Request for Quotation.exe

    • Size

      554KB

    • MD5

      45ea380f7cff0d5d4c529f2ae389bea0

    • SHA1

      18ceae3e46865cd7b0e0718b6d536c70f3c631dc

    • SHA256

      44c339f76dceed23e3bb1ec0ba2b8f7ae626877a46b50b197d3a03541cadfb0a

    • SHA512

      0b32ceb42a48f9719c8238bd8f6f4136e8cccf472ff65033a35251d63188eb0a522a8cd2f279867e1f34af036c867326117d774359ed6e1f56afebbeb70e7943

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

Collection

Email Collection

1
T1114

Tasks