General

  • Target

    151bf56f5da3e76306f146ba90333386eb3f14839f3199735eea80749ce035f2

  • Size

    410KB

  • Sample

    220521-nfv1tsggem

  • MD5

    0961cd46d13aa42d14f6f14cb1b419a9

  • SHA1

    f0b1cf2129ace3bc75a92aefa8f2fc30869aa9bd

  • SHA256

    151bf56f5da3e76306f146ba90333386eb3f14839f3199735eea80749ce035f2

  • SHA512

    ccfd7e129d1f89c7294d2f0fa1f511df571b4de37b0ccb4f1d22ec72fa92a2c95c421601acd309eb8717ad398479f70121b884ae20758712aeea6bdb5c2ee119

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.amexworldwide.com
  • Port:
    587
  • Username:
    sujit@amexworldwide.com
  • Password:
    sujit@41#

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.amexworldwide.com
  • Port:
    587
  • Username:
    sujit@amexworldwide.com
  • Password:
    sujit@41#

Targets

    • Target

      HAWB.exe

    • Size

      452KB

    • MD5

      eaf985c0eb8a9c436119ca8af874be43

    • SHA1

      182134a428a1d4315fc6beb65a0b7bd26d9da2eb

    • SHA256

      0bda8bd9d8c9d180eae8ea9ff4243a1db0bce2c3e3cbf69581f122b1ab1997b6

    • SHA512

      dcc0acb6d600853ab7a92b76940ba2241fb28b722abcf30ea89e094db5dce989598abc200761cd61703f357df1f8be43b862937c469639862bc66da758292662

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks