Resubmissions

03-01-2025 23:07

250103-2344xa1kcj 10

03-01-2025 12:42

250103-pxdcsatray 10

03-01-2025 12:26

250103-pmhvhstlhw 10

General

  • Target

    905d39fb9da393f7f2127d11e60860e6faa3aeed8dcaff56f2d8fa09c9a04902

  • Size

    1.5MB

  • Sample

    250103-pxdcsatray

  • MD5

    154cea95b1314884e0f13970b14ee3a0

  • SHA1

    d83cbd17b513dafbc13e409f045a203783126089

  • SHA256

    905d39fb9da393f7f2127d11e60860e6faa3aeed8dcaff56f2d8fa09c9a04902

  • SHA512

    8a5637060c0d6c6b3f06bdc9884acc4225f5b064f1c942c13a070bf05feae7429c6cd13136200f5554536475f55c76022867cc142764f7b928fb5c3c4fe78752

  • SSDEEP

    12288:o7M3VrW5dVFDb8E6nf2SfSEcDiaQfzWhAWnrxcrCclWrzuGwVtB1L9:o7M3VsdVFfXEcCsNraDUfuGwP9

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6882044231:AAEdfz6RtcLc5FDAwOwS8UYabnK3tQ7x4bs/

Targets

    • Target

      Invoice Confirmation.exe

    • Size

      810.6MB

    • MD5

      63395033fc8d13ddd17e74e4bb13d5d6

    • SHA1

      0a65c313504c8bcac8dc2eec944dd078a71ce384

    • SHA256

      c322c179201974d21315230539606d1292a9159527f3f2eafa9d6167e8f51ae2

    • SHA512

      4a1eb33f370ac2ba32bea1af287abe753edfa63e493e9045960303b1990c1cbdb289dd3ebd273ff87ad68b912b4e016877dd3f78b8ed5ce373a3f20b581a0718

    • SSDEEP

      12288:mIR4R52J+XtyfG+Lzb6C65feSfSecDAMEnLwh8aFfxc1C0rmZdXm8qzd9p2MIR:mIeeJfG+LNzecKiVfaBiHXU9pTI

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks