General

  • Target

    0eed12f0dcf05f910bfe683b838cd62fcfe68bdee03d708b63ab84249a95937f

  • Size

    369KB

  • Sample

    220521-ppbtzsfga5

  • MD5

    2b24821fa20533358eb3d0b763c82755

  • SHA1

    277a84f696034e01ce1797f8acd537db9b9c351b

  • SHA256

    0eed12f0dcf05f910bfe683b838cd62fcfe68bdee03d708b63ab84249a95937f

  • SHA512

    164e23aadf1159bfc4f624e961d88dcca15654de60e1b24b1ffe8b2b42467cb16ef6c7d06879e6e79e72ef24e82ad471c6e244d971a4e036fdbdb68e5ed54141

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    server266.web-hosting.com
  • Port:
    587
  • Username:
    serviceline@cgcropglobal.com
  • Password:
    HCBo3_tl-nKP

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server266.web-hosting.com
  • Port:
    587
  • Username:
    serviceline@cgcropglobal.com
  • Password:
    HCBo3_tl-nKP

Targets

    • Target

      swift_copy2020710_XLS.scr

    • Size

      417KB

    • MD5

      ccbd8c021b03a2815dc6cd096e353149

    • SHA1

      3943d0682253590fcecc36fd4124964df4b156ca

    • SHA256

      4014ffe3401353775e6629a83400a9b34768c6127eff3d4b12b042290c9ed80d

    • SHA512

      f6a92c9ae8dac905f032ceae94b84c5b672500405b3f701e81527382c6003ddcc830b746bef1ae3963c1271907175674b50844cce1b3d05d946095adc46af88c

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks