Analysis

  • max time kernel
    133s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    17-10-2021 23:58

General

  • Target

    Nuevo orden002______________________________________________.bat.exe

  • Size

    84.0MB

  • MD5

    c4deb0e775ada24710322868786c06ea

  • SHA1

    a0b9f4806ad995bfc7a91fc55f6b1d13ca39f359

  • SHA256

    73a61a3210194826bff95994b29f43e906b2304ebd181371db8025785612ca3e

  • SHA512

    37277ebb1918a5924ad5cc98f063348381ec0f227c73cf3fb75e12a044608f104bb8f17a34833f74fe9478a253a7441f461bd80d99f15d52f21a7a9e61e5c745

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mudanzasdistintas.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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.

  • 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\Nuevo orden002______________________________________________.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Nuevo orden002______________________________________________.bat.exe.log

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/3208-124-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3208-133-0x0000000005F50000-0x0000000005F51000-memory.dmp

    Filesize

    4KB

  • memory/3208-132-0x0000000005470000-0x0000000005471000-memory.dmp

    Filesize

    4KB

  • memory/3208-131-0x00000000052B0000-0x00000000057AE000-memory.dmp

    Filesize

    5.0MB

  • memory/3208-125-0x0000000000436DCE-mapping.dmp

  • memory/3708-119-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

    Filesize

    4KB

  • memory/3708-123-0x0000000007340000-0x0000000007397000-memory.dmp

    Filesize

    348KB

  • memory/3708-122-0x00000000072A0000-0x00000000072A1000-memory.dmp

    Filesize

    4KB

  • memory/3708-121-0x0000000004AD0000-0x0000000004FCE000-memory.dmp

    Filesize

    5.0MB

  • memory/3708-120-0x0000000004EC0000-0x0000000004EC5000-memory.dmp

    Filesize

    20KB

  • memory/3708-115-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/3708-118-0x0000000004B70000-0x0000000004B71000-memory.dmp

    Filesize

    4KB

  • memory/3708-117-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

    Filesize

    4KB