Overview

overview

10

Static

static

Remittance advice.exe

windows7_x64

10

Remittance advice.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    07-07-2020 08:26

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General

  • Target

    Remittance advice.exe

  • Size

    803KB

  • MD5

    be9f6ec429298296531aef4e8813679c

  • SHA1

    f46d168675ed61ded4d5030ad25b5107d5252efd

  • SHA256

    c45cbf7de196d50a6eb860e3d8dbfdf8f3699c3e62df58f63bd1c6c176c9ead1

  • SHA512

    8ee7421a05ac4c8f5b131ce57e2657d1128a8d0332be62ad42eb2850e04de85c9b177075f0dac51f5f308285843d534674f733d91a414bdfb43ecd6612db935a

Score
10/10
persistencespywarekeyloggertrojanstealeragenttesla

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hope2020

Signatures

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:2532
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:2812
    • C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"
      2⤵
      • Adds Run entry to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2812-0-0x0000000000000000-mapping.dmp
    Download
  • memory/2876-1-0x0000000000400000-0x00000000004B1000-memory.dmp
    Filesize

    708KB

    Download
  • memory/2876-2-0x00000000004AEEF0-mapping.dmp
    Download
  • memory/2876-3-0x0000000000400000-0x00000000004B1000-memory.dmp
    Filesize

    708KB

    Download
  • memory/2876-4-0x0000000000400000-0x00000000004B1000-memory.dmp
    Filesize

    708KB

    Download
  • memory/2876-5-0x0000000000A10000-0x0000000000A62000-memory.dmp
    Filesize

    328KB

    Download
  • memory/2876-6-0x0000000000AD2000-0x0000000000AD3000-memory.dmp
    Filesize

    4KB

    Download