General

  • Target

    d448c2e97475955647f73b9d2ea3dd49.bin

  • Size

    798KB

  • Sample

    230331-chkr4ahf5z

  • MD5

    fe901ea2d3bcd39fff5515641f490c34

  • SHA1

    50ad4fd660c91e2c1f7f628d2e6569eff784560e

  • SHA256

    8c8e2a028db921eab128c93d0b338262bd88a57669daca9afea5cd743635ff09

  • SHA512

    53d4e4439dd0b6b2b5f5e1b3cd73f5ef93683ca9336f3742d2edddbc6289d6ac77aeeab9a75149e0ed5de75915176ecd4f439d50d8d23cd92b8706d7a6cecdd5

  • SSDEEP

    24576:F357/rPUBK2ZR4u6MTidppoFsBFAvoHr4w8T/OcYx:F3tDPUBWRdG6BivoL4F71Yx

Malware Config

Targets

    • Target

      a545a179685fdf20aeb2f2a9cd6d6e7e82deb4303acb9d4b77af64ff8a9bf4cf.exe

    • Size

      1.1MB

    • MD5

      d448c2e97475955647f73b9d2ea3dd49

    • SHA1

      34187b126dbc748deeebc5adb99f376784ce92b9

    • SHA256

      a545a179685fdf20aeb2f2a9cd6d6e7e82deb4303acb9d4b77af64ff8a9bf4cf

    • SHA512

      36773c5d54baead5ea8d6ed5ca6c815c04f3c73456bef3624718eb746433d548b69aebd4084ee7681006d5a17ac2df76e2781f110ed480d1a095b13c28239813

    • SSDEEP

      24576:v12zVZ97Ro3tNpLYonNQPYbvKuzidu6SMS7/7:vAR37Ro3V0Gxbv7idYZ

    • 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 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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