General

  • Target

    f77318542cca342ff1223e773e6230f8.zip

  • Size

    635KB

  • Sample

    220930-2fcq5sgaeq

  • MD5

    f77318542cca342ff1223e773e6230f8

  • SHA1

    8d230262ba9d8f58e4010276475401d607d131f5

  • SHA256

    8206424d7185bb244a15158c543f92ec272c441000ef43aab5d4bf53ee65577a

  • SHA512

    4d01394df67cefb2742fc8dfbdb103e9e142b9a87ddbab169d447b30e0ec7e01ed8babf1994097b03af8498bfe58c2f2d7d3483f2ec9e1d80abb72849c4da58f

  • SSDEEP

    12288:BhKOVZ1Z2ZmHxO9VHKEElycDIymE1jziHtZ/ickE7Py93ADeqBb:3DWAHxoqEElyHKyt1ickKPypAx

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SURE12345

Targets

    • Target

      Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr

    • Size

      730KB

    • MD5

      0d46808ee6193515a12305f9b59352c7

    • SHA1

      08e0bf06814fde6084d0e3d59e058aa95558d8fa

    • SHA256

      21069f1228603fb512b24e1c9f58cf57b370d93b5f78b8b9628e93c9c79a5f7c

    • SHA512

      8cc4f79e3ea3855705bceccce059a2fc232273700ad4c4ccb0825ad49bf0594bdfedb19babcc158a77e575ef90996ac57e23bb42f52af69b266e61c070616216

    • SSDEEP

      12288:DIImSMXVbe1QFQ52ZP5wOxVHggEXyYDCKzTNfzqhtZXYIkm7Fy93kJSS/e:DIIkeMh5w2AgEXycJMtZYIkoFyn

    • 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

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks