General

  • Target

    Scanned Documents.ppa

  • Size

    88KB

  • Sample

    220808-n5sxrsadbj

  • MD5

    07f043483f0ace3a78eaf975472c5a0a

  • SHA1

    3cded094a69940961675a7b9a72a11e8a74d99d3

  • SHA256

    2a4506ceb5bc265840e2aeeeb6577aa97db5534672ad420efc22b62fe31e6d82

  • SHA512

    60471fd4be21a7a3d53379f4af75c6bdd0a27f23a95d2b617175fe5d56ff84c00555854c6d42211dbd3589244736eb0986dafb8858308b4cf9f1e04ec80d7183

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://bitbucket.org/!api/2.0/snippets/warzonepro/BgkqLA/e51a1670f88c9ae8856c835b8f03482c06cfdc8e/files/devis1

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/!api/2.0/snippets/warzonepro/zE7z8E/529055121d9e0c31c5b73d98430be89b7a04a05f/files/devis111.txt

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    185.136.167.144
  • Port:
    21
  • Username:
    devis1
  • Password:
    TinyDev@123

Targets

    • Target

      Scanned Documents.ppa

    • Size

      88KB

    • MD5

      07f043483f0ace3a78eaf975472c5a0a

    • SHA1

      3cded094a69940961675a7b9a72a11e8a74d99d3

    • SHA256

      2a4506ceb5bc265840e2aeeeb6577aa97db5534672ad420efc22b62fe31e6d82

    • SHA512

      60471fd4be21a7a3d53379f4af75c6bdd0a27f23a95d2b617175fe5d56ff84c00555854c6d42211dbd3589244736eb0986dafb8858308b4cf9f1e04ec80d7183

    • AgentTesla

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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

3
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks