Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:52

General

  • Target

    2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe

  • Size

    284KB

  • MD5

    695f814454972a685e1162e9b5629f32

  • SHA1

    92b54409a877f384bc4fe2b274de5ce4d281b3cf

  • SHA256

    d28d5eb6ef6a35c2323f5b10e3bd013eff3338197df93c562dd55455b9ab4911

  • SHA512

    06542dffd7b11acbab261053f5b4b14a2eea3adbb65d47da9181353cfccea60575dce157d980fa9bcc8b6f3f1546a4d7acade92ec816cfe67e3c956ad2553764

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    111aaa

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    111aaa

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3380

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1748-130-0x0000000000570000-0x00000000005BC000-memory.dmp
    Filesize

    304KB

  • memory/1748-131-0x0000000004F50000-0x0000000004FEC000-memory.dmp
    Filesize

    624KB

  • memory/1748-132-0x00000000055F0000-0x0000000005B94000-memory.dmp
    Filesize

    5.6MB

  • memory/3380-133-0x0000000000000000-mapping.dmp
  • memory/3380-134-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/3380-135-0x0000000005650000-0x00000000056E2000-memory.dmp
    Filesize

    584KB

  • memory/3380-136-0x0000000006560000-0x00000000065C6000-memory.dmp
    Filesize

    408KB

  • memory/3380-137-0x0000000006B50000-0x0000000006BA0000-memory.dmp
    Filesize

    320KB

  • memory/3380-138-0x0000000001550000-0x000000000155A000-memory.dmp
    Filesize

    40KB