General

  • Target

    e6fcc25a9c1ea4e4eaaa11db04a89cfffe3bc2a0e7936509c1eb8dc5c244dcf0.exe

  • Size

    708KB

  • Sample

    240503-cnspwsce7x

  • MD5

    74c84bdd77cff9a99903a0fbf1064537

  • SHA1

    4212812ebdee91d578a07c648e2dbec558e42d94

  • SHA256

    e6fcc25a9c1ea4e4eaaa11db04a89cfffe3bc2a0e7936509c1eb8dc5c244dcf0

  • SHA512

    4709728097c0f0414bd3b781aada51f79a66054fc6c387420f9f2c3ba567570544c49466cf6726e315895521a2153d3c2bb7d0bd6561c81b096d63b8db186585

  • SSDEEP

    6144:fv3pbRctGmEluNQH745BaqlJ75Bg4PgcmgRSU2e/98SU8l6uOJiLiIFP:Xp9cx8uT5pXP3RSq18e+QLiC

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      e6fcc25a9c1ea4e4eaaa11db04a89cfffe3bc2a0e7936509c1eb8dc5c244dcf0.exe

    • Size

      708KB

    • MD5

      74c84bdd77cff9a99903a0fbf1064537

    • SHA1

      4212812ebdee91d578a07c648e2dbec558e42d94

    • SHA256

      e6fcc25a9c1ea4e4eaaa11db04a89cfffe3bc2a0e7936509c1eb8dc5c244dcf0

    • SHA512

      4709728097c0f0414bd3b781aada51f79a66054fc6c387420f9f2c3ba567570544c49466cf6726e315895521a2153d3c2bb7d0bd6561c81b096d63b8db186585

    • SSDEEP

      6144:fv3pbRctGmEluNQH745BaqlJ75Bg4PgcmgRSU2e/98SU8l6uOJiLiIFP:Xp9cx8uT5pXP3RSq18e+QLiC

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks