General

  • Target

    49a25c30b01ab897e8ef61569858731e4651acaa2f7828c4a76edb3c6a334417

  • Size

    1.1MB

  • Sample

    220712-tkesashcfq

  • MD5

    aae7910fddf1137282ad78b7972469fa

  • SHA1

    7bb3efaa25396f810729af4d9f2b05e45296a0da

  • SHA256

    49a25c30b01ab897e8ef61569858731e4651acaa2f7828c4a76edb3c6a334417

  • SHA512

    dad4b6e722848d7420722b783876f46673129af135eab52664efd48fb37788f3b89eb9cf672ab25c9292557eb38ded93d7d33fa841e6f2deccd57002a0236816

Malware Config

Targets

    • Target

      49a25c30b01ab897e8ef61569858731e4651acaa2f7828c4a76edb3c6a334417

    • Size

      1.1MB

    • MD5

      aae7910fddf1137282ad78b7972469fa

    • SHA1

      7bb3efaa25396f810729af4d9f2b05e45296a0da

    • SHA256

      49a25c30b01ab897e8ef61569858731e4651acaa2f7828c4a76edb3c6a334417

    • SHA512

      dad4b6e722848d7420722b783876f46673129af135eab52664efd48fb37788f3b89eb9cf672ab25c9292557eb38ded93d7d33fa841e6f2deccd57002a0236816

    • AgentTesla

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

    • AgentTesla payload

    • 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

    • Adds Run key to start application

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks