Overview

overview

10

Static

static

8

Re PO 01_1...sr.exe

windows7_x64

10

Re PO 01_1...sr.exe

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    12-07-2020 22:05

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General

  • Target

    Re PO 01_12-06-2019_Elyosr.exe

  • Size

    429KB

  • MD5

    37fcf7288d1b36c21a98ea708c065f77

  • SHA1

    6feb8aede2af005c9f0aecfcd758cc202701024e

  • SHA256

    a9945445fca44de9a5918136de0ecaab1ab7a9ed7da830838503bdd4a3cba6d7

  • SHA512

    71ebfe3d2b5e881981b6ff8b8a55018a8f6d1e7d4a076d60fa0beead1ff6cfffc383e4fa97ce8e05cfdf6b731b459f453e42a175303b1041e2574806aa6e5298

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojanupx

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.eslpk.com
  • Port:
    587
  • Username:
    asmat@eslpk.com
  • Password:
    X2{N1Y=,Xh9]

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.eslpk.com
  • Port:
    587
  • Username:
    asmat@eslpk.com
  • Password:
    X2{N1Y=,Xh9]

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • 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 local email clients 2 TTPs

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

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

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Re PO 01_12-06-2019_Elyosr.exe
    "C:\Users\Admin\AppData\Local\Temp\Re PO 01_12-06-2019_Elyosr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\Re PO 01_12-06-2019_Elyosr.exe
      "C:\Users\Admin\AppData\Local\Temp\Re PO 01_12-06-2019_Elyosr.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2896

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/2896-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/2896-1-0x00000000004A28D0-mapping.dmp
    Download
  • memory/2896-2-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/2896-3-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/2896-4-0x00000000021B0000-0x00000000021FC000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2896-5-0x0000000000952000-0x0000000000953000-memory.dmp
    Filesize

    4KB

    Download