Analysis

  • max time kernel
    127s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    21-11-2020 19:34

General

  • Target

    USD67,884.08_Payment_Advise_9083008849.exe

  • Size

    860KB

  • MD5

    947edeb169369ac67c5448cc2f8104a3

  • SHA1

    5d2181f018ab4b8afd6b193e4651233b44ad7d62

  • SHA256

    3a89a79e825bf330e3ea46f6a5f548529b642dc61219a8deeaec070a0688a08e

  • SHA512

    798b7004b2019ffbff67a1f3636ad7dd3b93ef0a9338960d8a7e69eda79aa7d9e097aa888b68f942e21f0a89e98dca66d679f56d06b9ab7b81c4241b1f5840f8

Malware Config

Signatures

  • AgentTesla

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USD67,884.08_Payment_Advise_9083008849.exe
    "C:\Users\Admin\AppData\Local\Temp\USD67,884.08_Payment_Advise_9083008849.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\USD67,884.08_Payment_Advise_9083008849.exe
      "C:\Users\Admin\AppData\Local\Temp\USD67,884.08_Payment_Advise_9083008849.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2728-7-0x00000000022E0000-0x000000000232D000-memory.dmp
    Filesize

    308KB

  • memory/2728-9-0x0000000004FF0000-0x000000000503C000-memory.dmp
    Filesize

    304KB

  • memory/2728-3-0x000000000040CD2F-mapping.dmp
  • memory/2728-4-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/2728-5-0x00000000021E0000-0x00000000021E1000-memory.dmp
    Filesize

    4KB

  • memory/2728-6-0x0000000073930000-0x000000007401E000-memory.dmp
    Filesize

    6.9MB

  • memory/2728-2-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/2728-14-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/2728-11-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/2728-10-0x0000000005140000-0x0000000005141000-memory.dmp
    Filesize

    4KB

  • memory/2728-8-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
    Filesize

    4KB

  • memory/2728-12-0x0000000005820000-0x0000000005821000-memory.dmp
    Filesize

    4KB

  • memory/2728-13-0x0000000005ED0000-0x0000000005ED1000-memory.dmp
    Filesize

    4KB

  • memory/4000-0-0x0000000004450000-0x00000000044E0000-memory.dmp
    Filesize

    576KB