Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    01-12-2021 17:39

General

  • Target

    Orden econo-002064.pdf.exe

  • Size

    487KB

  • MD5

    c5d0b7527ac5eddcbe405005150c33e3

  • SHA1

    80858a87383ec03e3260d65c4de39ab0a1f3552e

  • SHA256

    f026fd83284504e70028c964b2f6ad22fc4529f35c42b00d5f85267e03f6a3c5

  • SHA512

    720ab578e07df5d9c3caeeca3a072186a967dbb04e8ae8753779386e69bea42f4f0f5905f5c064025a64d42b6c20b9caa34b68fb5510c57f621cb0b706b08f55

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chinadu8744_33

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 1 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\Orden econo-002064.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden econo-002064.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\Orden econo-002064.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Orden econo-002064.pdf.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:68

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\Orden econo-002064.pdf.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/68-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/68-136-0x00000000052B1000-0x00000000052B2000-memory.dmp
    Filesize

    4KB

  • memory/68-133-0x0000000006000000-0x0000000006001000-memory.dmp
    Filesize

    4KB

  • memory/68-132-0x0000000005830000-0x0000000005831000-memory.dmp
    Filesize

    4KB

  • memory/68-131-0x00000000052B0000-0x00000000052B1000-memory.dmp
    Filesize

    4KB

  • memory/68-125-0x00000000004375DE-mapping.dmp
  • memory/2432-119-0x0000000004CE0000-0x00000000051DE000-memory.dmp
    Filesize

    5.0MB

  • memory/2432-123-0x0000000005D40000-0x0000000005DA9000-memory.dmp
    Filesize

    420KB

  • memory/2432-122-0x0000000005840000-0x0000000005846000-memory.dmp
    Filesize

    24KB

  • memory/2432-121-0x0000000005A30000-0x0000000005A31000-memory.dmp
    Filesize

    4KB

  • memory/2432-120-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
    Filesize

    4KB

  • memory/2432-115-0x00000000003E0000-0x00000000003E1000-memory.dmp
    Filesize

    4KB

  • memory/2432-118-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB

  • memory/2432-117-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB