General

  • Target

    Quote 8103639.exe

  • Size

    302KB

  • Sample

    221205-rvpzxahc72

  • MD5

    0ac349c67a718638cfb1fe2f70d43a90

  • SHA1

    fc19b79c0090de13ec2632901b2d15f9f7d0b746

  • SHA256

    0dd53c57c72aea305d1b83fa26283f21caaa5f8263f41d84a43884fb2eb62ce3

  • SHA512

    b9c5c3e29b4ccb07ee52f3663aeac7a153c5ff0e0676d443fad612447fc1633d875ea4cb11e317e7204460c37bc8cc09d6027d2a6ee1846a8d8a1875e91d71a6

  • SSDEEP

    6144:QBn1jdkWkyxoR5LHNhYH25r9L19EeuZrp+ZRAR/r2E2XhTPldwkBdka7RuS:gCWkD3zYW5N1eem+v6d2xTPhjVT

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Quote 8103639.exe

    • Size

      302KB

    • MD5

      0ac349c67a718638cfb1fe2f70d43a90

    • SHA1

      fc19b79c0090de13ec2632901b2d15f9f7d0b746

    • SHA256

      0dd53c57c72aea305d1b83fa26283f21caaa5f8263f41d84a43884fb2eb62ce3

    • SHA512

      b9c5c3e29b4ccb07ee52f3663aeac7a153c5ff0e0676d443fad612447fc1633d875ea4cb11e317e7204460c37bc8cc09d6027d2a6ee1846a8d8a1875e91d71a6

    • SSDEEP

      6144:QBn1jdkWkyxoR5LHNhYH25r9L19EeuZrp+ZRAR/r2E2XhTPldwkBdka7RuS:gCWkD3zYW5N1eem+v6d2xTPhjVT

    • AgentTesla

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

    • 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

    • 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

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks