Analysis

  • max time kernel
    130s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 06:53

General

  • Target

    New Purchase Order.exe

  • Size

    545KB

  • MD5

    62f42bfe28f4c5667bda900cfd49121f

  • SHA1

    a41be8345afa9b6fcde1b68ae5062030e7f98607

  • SHA256

    a9b2035fdaf72654181c96552e6b93325bc994db347d8b41757066d34a235779

  • SHA512

    34c12bd7f25481f57e9fa98223c68f6548c8fdfb2f006a1c8ef5f07cf5acde4cf6628b42c1fec552ca3efe662ce2475bc60ef294970780d27884e00897304816

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    charlyparkerparker@yandex.ru
  • Password:
    Ablegod123456

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.

  • 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\New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4328

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/768-122-0x0000000009430000-0x0000000009431000-memory.dmp
    Filesize

    4KB

  • memory/768-118-0x0000000005760000-0x0000000005761000-memory.dmp
    Filesize

    4KB

  • memory/768-119-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB

  • memory/768-120-0x0000000005760000-0x0000000005C5E000-memory.dmp
    Filesize

    5.0MB

  • memory/768-121-0x0000000006500000-0x0000000006507000-memory.dmp
    Filesize

    28KB

  • memory/768-115-0x0000000000E50000-0x0000000000E51000-memory.dmp
    Filesize

    4KB

  • memory/768-123-0x00000000094D0000-0x0000000009528000-memory.dmp
    Filesize

    352KB

  • memory/768-117-0x0000000005C60000-0x0000000005C61000-memory.dmp
    Filesize

    4KB

  • memory/4328-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4328-125-0x000000000043765E-mapping.dmp
  • memory/4328-130-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/4328-132-0x0000000005160000-0x0000000005161000-memory.dmp
    Filesize

    4KB

  • memory/4328-133-0x0000000005D20000-0x0000000005D21000-memory.dmp
    Filesize

    4KB