Analysis

  • max time kernel
    142s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-04-2021 07:09

General

  • Target

    75ab568fe148e4d229533c5a6cd6b572.exe

  • Size

    446KB

  • MD5

    75ab568fe148e4d229533c5a6cd6b572

  • SHA1

    27f2df18153729839b1ae3b0e579c1df0db59df0

  • SHA256

    fb91f67073fef8d391ccb08c31183ff2ff00e8a8ca0f71fb5bfce17fb0ddbd26

  • SHA512

    3ea21ae941fe9ba09e8f951c406e90b43bd64e50106a57893cd832ccc6954a77935982129079bbe402e616876597d0f71ab384cbccab2d323002bb8ada73ed51

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    janryone.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xv*ZM6fqfw&7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe
    "C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe
      C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\75ab568fe148e4d229533c5a6cd6b572.exe.log

    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

  • memory/4120-126-0x0000000005160000-0x000000000565E000-memory.dmp

    Filesize

    5.0MB

  • memory/4120-119-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4120-120-0x000000000043763E-mapping.dmp

  • memory/4120-124-0x0000000005660000-0x0000000005661000-memory.dmp

    Filesize

    4KB

  • memory/4120-125-0x00000000052F0000-0x00000000052F1000-memory.dmp

    Filesize

    4KB

  • memory/4120-127-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

    Filesize

    4KB

  • memory/4120-128-0x0000000005E50000-0x0000000005E51000-memory.dmp

    Filesize

    4KB

  • memory/4120-129-0x0000000006410000-0x0000000006411000-memory.dmp

    Filesize

    4KB

  • memory/4120-130-0x00000000052E0000-0x00000000052E1000-memory.dmp

    Filesize

    4KB

  • memory/4448-117-0x0000000004AC0000-0x0000000004B01000-memory.dmp

    Filesize

    260KB

  • memory/4448-118-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

    Filesize

    4KB

  • memory/4448-116-0x00000000024D0000-0x00000000024D2000-memory.dmp

    Filesize

    8KB

  • memory/4448-114-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB