Resubmissions

09/03/2023, 08:39

230309-kkl2yaad5z 10

03/02/2023, 14:29

230203-rt3vdafg32 10

General

  • Target

    28ad82f50d7d245ebb8fc04eaec2a07ef3e4a52b16c7c1ef0a3b69685f28ef88

  • Size

    541KB

  • Sample

    230309-kkl2yaad5z

  • MD5

    25205c118eaea0984925098bdb17c459

  • SHA1

    a4c43589bb14419365479f6e6ec208d02dcdc3eb

  • SHA256

    28ad82f50d7d245ebb8fc04eaec2a07ef3e4a52b16c7c1ef0a3b69685f28ef88

  • SHA512

    a052251bf7828451cced877d1f7d51a91105374d6c361a0651441f85a957c3c1840fbb9a35a9eb9fa50a16ee4731b525d0ca1d722bce5d812b9edd2129ba7e7c

  • SSDEEP

    12288:6YsLcPESBHDTc7EplPQfSROOT6Y48FBlQ8gghasSaAJ/Gug+Yrh6:6Y4cPdHU78lPQfSAWf3Q8gyAZ/EjF6

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5731015181:AAEnN7QEEeN_fBCr0YFv_H7lrNpKS_lkspI/sendDocument

Targets

    • Target

      28ad82f50d7d245ebb8fc04eaec2a07ef3e4a52b16c7c1ef0a3b69685f28ef88

    • Size

      541KB

    • MD5

      25205c118eaea0984925098bdb17c459

    • SHA1

      a4c43589bb14419365479f6e6ec208d02dcdc3eb

    • SHA256

      28ad82f50d7d245ebb8fc04eaec2a07ef3e4a52b16c7c1ef0a3b69685f28ef88

    • SHA512

      a052251bf7828451cced877d1f7d51a91105374d6c361a0651441f85a957c3c1840fbb9a35a9eb9fa50a16ee4731b525d0ca1d722bce5d812b9edd2129ba7e7c

    • SSDEEP

      12288:6YsLcPESBHDTc7EplPQfSROOT6Y48FBlQ8gghasSaAJ/Gug+Yrh6:6Y4cPdHU78lPQfSAWf3Q8gyAZ/EjF6

    • AgentTesla

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks