Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 13:30

General

  • Target

    4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe

  • Size

    1006KB

  • MD5

    038ece8f6c92ccb2dd38133d85e80caf

  • SHA1

    96a2e3466f10d59020501b076cfab07f237bb7c1

  • SHA256

    4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997

  • SHA512

    8af98ef60f05ffc9324647bad8214989883f2128eac44814c7f37730f7a4d4e7019c495015a3460a15fb411f78559a60dbad528c151d07df9a2cc030c7f1ce23

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.myremediez.com
  • Port:
    587
  • Username:
    sales@myremediez.com
  • Password:
    123123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1844

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/1844-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1844-134-0x0000000005C00000-0x0000000005C01000-memory.dmp
    Filesize

    4KB

  • memory/1844-133-0x0000000005B70000-0x0000000005B71000-memory.dmp
    Filesize

    4KB

  • memory/1844-132-0x0000000004E80000-0x000000000537E000-memory.dmp
    Filesize

    5.0MB

  • memory/1844-126-0x00000000004375AE-mapping.dmp
  • memory/3680-119-0x00000000058D0000-0x0000000005DCE000-memory.dmp
    Filesize

    5.0MB

  • memory/3680-122-0x0000000005DA0000-0x0000000005DA4000-memory.dmp
    Filesize

    16KB

  • memory/3680-123-0x0000000006650000-0x000000000671C000-memory.dmp
    Filesize

    816KB

  • memory/3680-124-0x0000000008BE0000-0x0000000008C73000-memory.dmp
    Filesize

    588KB

  • memory/3680-121-0x0000000005A30000-0x0000000005A31000-memory.dmp
    Filesize

    4KB

  • memory/3680-120-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/3680-114-0x0000000000E30000-0x0000000000E31000-memory.dmp
    Filesize

    4KB

  • memory/3680-118-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/3680-117-0x0000000005DD0000-0x0000000005DD1000-memory.dmp
    Filesize

    4KB

  • memory/3680-116-0x0000000005770000-0x0000000005771000-memory.dmp
    Filesize

    4KB