General

  • Target

    PO # 11002021.zip

  • Size

    551KB

  • Sample

    211019-slbllagah2

  • MD5

    0eda75e57316fcb963d52bcd68b9953e

  • SHA1

    eb54b47a2b94171741b5067376b8712f8f567121

  • SHA256

    4fe4931ff2df16ba3943c1380dd21e9c32ce29a708068b3190c10de20b5a1d99

  • SHA512

    7c8b9c36dc46883e5b38e3ab03c762ca000dc6919c7ac37f45c0c6a1bdcd6783a3c4aaafcac066a48da8d769a91cf40b2448e625f8b9285e8584e62bbad21c94

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aldhiyafainteriors.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dhiyafa@987

Targets

    • Target

      PO # 11002021.exe

    • Size

      700KB

    • MD5

      e9901eec1af843e9546a659866270f6e

    • SHA1

      57b6cccf4084b0a4aff6d236eb6a30df4fe8029f

    • SHA256

      20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b

    • SHA512

      b98b4937c9c94ebbe91f14e758a7b43d7999047c30840ca802ae60ec18fad4479c9bc21a1a375280119969ebc229065a85f17052804aff96b1246dbacd21959e

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks