Analysis

  • max time kernel
    134s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    15-09-2021 07:21

General

  • Target

    DOCUMENTS/shipment.exe

  • Size

    512KB

  • MD5

    6dc1e7e8687a813e5c8fb0ec2c874f1e

  • SHA1

    e87e4d3287c2721d5b6bf2def8bbfba3ac629130

  • SHA256

    c4dd68e2846d2d45a1e04a402a7a70a02a993f7da7eca9febd34a8cb7fd3e91c

  • SHA512

    767f7a76006ddc233e1026f99458a1543f8bc02a7fc4355ccddc54bdd245ebdf5dbd39b8fe131ce19e48c222897e4df8b224e2ce2cb77522d3fbeab4b6422a8a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dm-teh.com
  • Port:
    587
  • Username:
    office@dm-teh.com
  • Password:
    Vm@(O;CO.vEQ

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe
      "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe"
      2⤵
        PID:3588
      • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe
        "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:432

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      0c2899d7c6746f42d5bbe088c777f94c

      SHA1

      622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

      SHA256

      5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

      SHA512

      ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    • memory/432-126-0x000000000043765E-mapping.dmp
    • memory/432-134-0x0000000006020000-0x0000000006021000-memory.dmp
      Filesize

      4KB

    • memory/432-133-0x00000000053A0000-0x00000000053A1000-memory.dmp
      Filesize

      4KB

    • memory/432-132-0x0000000005370000-0x0000000005371000-memory.dmp
      Filesize

      4KB

    • memory/432-125-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3176-119-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
      Filesize

      4KB

    • memory/3176-123-0x00000000087C0000-0x0000000008831000-memory.dmp
      Filesize

      452KB

    • memory/3176-124-0x000000000AFB0000-0x000000000B002000-memory.dmp
      Filesize

      328KB

    • memory/3176-122-0x0000000005220000-0x0000000005221000-memory.dmp
      Filesize

      4KB

    • memory/3176-121-0x0000000004E70000-0x0000000004E77000-memory.dmp
      Filesize

      28KB

    • memory/3176-120-0x0000000004DF0000-0x00000000052EE000-memory.dmp
      Filesize

      5.0MB

    • memory/3176-115-0x00000000004F0000-0x00000000004F1000-memory.dmp
      Filesize

      4KB

    • memory/3176-118-0x0000000004E90000-0x0000000004E91000-memory.dmp
      Filesize

      4KB

    • memory/3176-117-0x00000000052F0000-0x00000000052F1000-memory.dmp
      Filesize

      4KB