General

  • Target

    new+spain+order.doc

  • Size

    33KB

  • Sample

    230330-v645rafa7w

  • MD5

    db36641ec3f10d09764c30c7b5b878f4

  • SHA1

    0a743acaa85fa32457e6a84dfc1dbab53cd07495

  • SHA256

    3dc8800e380890fec915d4f62026caf4c5ff66f409d1c305c27b5f0ea14834b5

  • SHA512

    3847a32d9d95c8e1864545e5322f775c4c28effda6b39abe8285635bd227a3e67470c8377bd9e8a713739a82271670a59cd4737e1cbd69854860ca1b50c13c0b

  • SSDEEP

    768:dFx0XaIsnPRIa4fwJMg22OkhBOPYDpJoz741N7ajuEzuDnv:df0Xvx3EM/nk7aYDpJoz0TE8v

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6258465660:AAFAPHkxw9lv-YgWk0oo5r_nv12k7nJhSWA/

Targets

    • Target

      new+spain+order.doc

    • Size

      33KB

    • MD5

      db36641ec3f10d09764c30c7b5b878f4

    • SHA1

      0a743acaa85fa32457e6a84dfc1dbab53cd07495

    • SHA256

      3dc8800e380890fec915d4f62026caf4c5ff66f409d1c305c27b5f0ea14834b5

    • SHA512

      3847a32d9d95c8e1864545e5322f775c4c28effda6b39abe8285635bd227a3e67470c8377bd9e8a713739a82271670a59cd4737e1cbd69854860ca1b50c13c0b

    • SSDEEP

      768:dFx0XaIsnPRIa4fwJMg22OkhBOPYDpJoz741N7ajuEzuDnv:df0Xvx3EM/nk7aYDpJoz0TE8v

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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

    • 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

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks