Analysis

  • max time kernel
    144s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 15:26

General

  • Target

    ATuRNgegI7kl7Ua.exe

  • Size

    666KB

  • MD5

    ec217acdf26636dd01ccba3dc7df5066

  • SHA1

    768c321ffe79e38f92682477a2b9b0e6122721ab

  • SHA256

    e27c7feb3112b0f8d3aa4195962fc2c430074179cbf6811874b49691c486e26f

  • SHA512

    e317158e54d3eb664fd4a9d8b79dc29f1d8c66d4213f311b31fcc37c575bcea5b0fb6674441f464360fdf7aadf337c199abaf4193a8cd63c5d90d2c76b3314c7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.chefoowork.com
  • Port:
    587
  • Username:
    victo@chefoowork.com
  • Password:
    Yi-yIzLFE-*b

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe
    "C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe
      "C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1380

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ATuRNgegI7kl7Ua.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/1380-127-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1380-136-0x0000000006100000-0x0000000006101000-memory.dmp
    Filesize

    4KB

  • memory/1380-135-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

  • memory/1380-134-0x00000000054A0000-0x000000000599E000-memory.dmp
    Filesize

    5.0MB

  • memory/1380-128-0x00000000004374DE-mapping.dmp
  • memory/2016-120-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/2016-122-0x0000000004AC0000-0x0000000004FBE000-memory.dmp
    Filesize

    5.0MB

  • memory/2016-123-0x0000000005690000-0x000000000569E000-memory.dmp
    Filesize

    56KB

  • memory/2016-124-0x0000000004AC0000-0x0000000004FBE000-memory.dmp
    Filesize

    5.0MB

  • memory/2016-125-0x0000000000910000-0x0000000000989000-memory.dmp
    Filesize

    484KB

  • memory/2016-126-0x0000000008420000-0x000000000845E000-memory.dmp
    Filesize

    248KB

  • memory/2016-121-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/2016-119-0x0000000004AC0000-0x0000000004FBE000-memory.dmp
    Filesize

    5.0MB

  • memory/2016-114-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/2016-118-0x0000000004B60000-0x0000000004B61000-memory.dmp
    Filesize

    4KB

  • memory/2016-117-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
    Filesize

    4KB

  • memory/2016-116-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB