General

  • Target

    Quote 4907129.exe

  • Size

    713KB

  • Sample

    230331-qmhp7ahf49

  • MD5

    f7ec688eeb140c3bf93314df25e4b9aa

  • SHA1

    3960eb7d374d3c7aa47155de002bf455a32d3806

  • SHA256

    7e674e6adfd09d79afcb58a0ec1a25696040fec7708c4c0b9e00262440cbda4b

  • SHA512

    9aa503327ed935dd55359b647e3bb35d44a418016427392bd9e8c9084c90db170e940b0a084429f460379605a05dca7c11d32bb848416b43cd1b17f7f3d784fa

  • SSDEEP

    12288:o3XYCPgimOMt+V3VMxU7O1+ZaWHh80b+9WY751BoDDiVUlWvL2EerGyMMflFOGYe:kYVimX8GxbWZeWwj6aOrGsflFTR

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/

Targets

    • Target

      Quote 4907129.exe

    • Size

      713KB

    • MD5

      f7ec688eeb140c3bf93314df25e4b9aa

    • SHA1

      3960eb7d374d3c7aa47155de002bf455a32d3806

    • SHA256

      7e674e6adfd09d79afcb58a0ec1a25696040fec7708c4c0b9e00262440cbda4b

    • SHA512

      9aa503327ed935dd55359b647e3bb35d44a418016427392bd9e8c9084c90db170e940b0a084429f460379605a05dca7c11d32bb848416b43cd1b17f7f3d784fa

    • SSDEEP

      12288:o3XYCPgimOMt+V3VMxU7O1+ZaWHh80b+9WY751BoDDiVUlWvL2EerGyMMflFOGYe:kYVimX8GxbWZeWwj6aOrGsflFTR

    • AgentTesla

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

    • 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

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks