General

  • Target

    Proforma invoice INV2.pdf.exe

  • Size

    62KB

  • Sample

    211022-gcwdvscafn

  • MD5

    932e49471158b4c267e2f431a859d99b

  • SHA1

    1ffcdc2a064ae913b69d31310fe9511bc2a90d48

  • SHA256

    56083bc659229d4e7e5d199b24edce16abfcc1c6bcf0ad7b8836e6a1b2175506

  • SHA512

    fc9f3d3be0f1df0c66d5aaf94846bb07088a5667287eb5b672836deb283fa9e7a3618b16688bcfdafd988ac9ec9f76d557ffdedc30d4ed3f348af1d442afc6a5

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1942126187:AAHTp_xwikgZPaBllt0RgKh12M4rEkaLb_o/sendDocument

Targets

    • Target

      Proforma invoice INV2.pdf.exe

    • Size

      62KB

    • MD5

      932e49471158b4c267e2f431a859d99b

    • SHA1

      1ffcdc2a064ae913b69d31310fe9511bc2a90d48

    • SHA256

      56083bc659229d4e7e5d199b24edce16abfcc1c6bcf0ad7b8836e6a1b2175506

    • SHA512

      fc9f3d3be0f1df0c66d5aaf94846bb07088a5667287eb5b672836deb283fa9e7a3618b16688bcfdafd988ac9ec9f76d557ffdedc30d4ed3f348af1d442afc6a5

    • AgentTesla

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

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • AgentTesla Payload

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

MITRE ATT&CK Enterprise v6

Tasks