Overview

overview

10

Static

static

485356515d...in.exe

windows7_x64

10

485356515d...in.exe

windows10_x64

10

Analysis

  • max time kernel
    131s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 16:13

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General

  • Target

    485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d.bin.exe

  • Size

    780KB

  • MD5

    eec8e09341c18d8797208118bd387900

  • SHA1

    ba1a47be8b33a404415a71c0ccb11ddeee4c06a0

  • SHA256

    485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d

  • SHA512

    d786699d15b6178c1e168126b30f4fb16d76ea65e3370bb619bb9e1cc9f13d391dda4b818f837a2171c69ac82a3186485e12c4ec7758fe075ac36dd172c65934

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.slimecheck.com
  • Port:
    587
  • Username:
    info@slimecheck.com
  • Password:
    abc00000

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

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

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

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WabZTym" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CC5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1164
    • C:\Users\Admin\AppData\Local\Temp\485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d.bin.exe
      "{path}"
      2⤵
        PID:764
      • C:\Users\Admin\AppData\Local\Temp\485356515d560799c8f9e159e436cbbb85110fcb3b5dc2180520186d0a406e9d.bin.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:824

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8CC5.tmp
      MD5

      57d2a5e319de00fc93cc43a66f784071

      SHA1

      f377805aa6e9136c06be84600708031f54446166

      SHA256

      86848d445e982ab5fe15ef0c3f0449e5c5cb5ff4e03dabb0e0db496b79ff1b37

      SHA512

      bb27cbc70a85dfd7284896784684c4b913eca13b37d4dcfb0fcf3da120f6eb8dc85d7729c2106ef1414d0c90c02133f3dbe1e03ad0d4b31e8635573a393534ee

      Download Submit
    • memory/824-68-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/824-69-0x00000000004375CE-mapping.dmp
      Download
    • memory/824-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/824-72-0x0000000004710000-0x0000000004711000-memory.dmp
      Filesize

      4KB

      Download
    • memory/824-73-0x0000000004711000-0x0000000004712000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1164-66-0x0000000000000000-mapping.dmp
      Download
    • memory/1420-60-0x0000000000A40000-0x0000000000A41000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1420-62-0x00000000022F0000-0x00000000022F1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1420-63-0x0000000000310000-0x000000000031E000-memory.dmp
      Filesize

      56KB

      Download
    • memory/1420-64-0x0000000005860000-0x0000000005926000-memory.dmp
      Filesize

      792KB

      Download
    • memory/1420-65-0x0000000004FB0000-0x0000000005036000-memory.dmp
      Filesize

      536KB

      Download