General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.27511.29896.exe

  • Size

    1.0MB

  • Sample

    221209-sxglzsgc81

  • MD5

    9061ed6b5d2456e0ecb5aac7091f5e88

  • SHA1

    3ec6e4697aabe693287ece278c9b71d070a136b1

  • SHA256

    26cd2bcced6805a4bcfb2f0f36ee11314431ae022d0a38ec91f0108a6625dd07

  • SHA512

    43c809767403916ceb919ae560696110f30623441d0d44bb4cc0ad68d5c318e196e6fbb2ca3971e0cd624e2b55f77c3da5612544a6e9712eafa73f8341abc323

  • SSDEEP

    12288:lANfRvL4JCjVJisvqVW6iD12AsTaE955VVhIbHMaVCTsEilXAbZBpFLu9LeUhdL:qNf1LWChEW6K2Ae7V8HMc7XAfpFc

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5896568959:AAEnkyovAgM2FC6R57hN5WEZdDJkO1x6qLE/

Targets

    • Target

      SecuriteInfo.com.Win32.PWSX-gen.27511.29896.exe

    • Size

      1.0MB

    • MD5

      9061ed6b5d2456e0ecb5aac7091f5e88

    • SHA1

      3ec6e4697aabe693287ece278c9b71d070a136b1

    • SHA256

      26cd2bcced6805a4bcfb2f0f36ee11314431ae022d0a38ec91f0108a6625dd07

    • SHA512

      43c809767403916ceb919ae560696110f30623441d0d44bb4cc0ad68d5c318e196e6fbb2ca3971e0cd624e2b55f77c3da5612544a6e9712eafa73f8341abc323

    • SSDEEP

      12288:lANfRvL4JCjVJisvqVW6iD12AsTaE955VVhIbHMaVCTsEilXAbZBpFLu9LeUhdL:qNf1LWChEW6K2Ae7V8HMc7XAfpFc

    • AgentTesla

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks