Analysis

  • max time kernel
    91s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 13:13

General

  • Target

    Payment copy_00000988.PDF.exe

  • Size

    822KB

  • MD5

    21ab035bf0bb26fed935ca7265045272

  • SHA1

    9091f79f60c8a52e7f75e6055363a32bea28b833

  • SHA256

    2f33e37286a03dee0a89bbac812d166203e5ddb1f6c2571110a08690a0df1bd0

  • SHA512

    79cee8569eaa5d96b7781c2852da45539c8db3892c0d8d97b665bae722b32ea4bc8a3f511399888ba7a002a7ee633f7e4f97c9249aa101ce77c35c97a5fc8232

  • SSDEEP

    12288:I2iNJOLvLwo41Giv3Z2HfAZWM7dPJC1g+GU27ZUZUk7MHJ6:I1CLwo4YikHfAZR7Cg+n4UZZoH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.darnfoss.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QhMzMMh0

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment copy_00000988.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment copy_00000988.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1032

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1032-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-66-0x0000000000436C5E-mapping.dmp

  • memory/1032-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1032-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-55-0x0000000074D61000-0x0000000074D63000-memory.dmp

    Filesize

    8KB

  • memory/1112-54-0x0000000000A60000-0x0000000000B34000-memory.dmp

    Filesize

    848KB

  • memory/1112-59-0x0000000002030000-0x000000000206C000-memory.dmp

    Filesize

    240KB

  • memory/1112-58-0x00000000055E0000-0x0000000005674000-memory.dmp

    Filesize

    592KB

  • memory/1112-57-0x0000000000A40000-0x0000000000A4C000-memory.dmp

    Filesize

    48KB

  • memory/1112-56-0x0000000000700000-0x0000000000714000-memory.dmp

    Filesize

    80KB