Overview

overview

10

Static

static

未付发�...s).exe

windows7_x64

10

未付发�...s).exe

windows10-2004_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:50

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General

  • Target

    未付发票付款(Outstanding invoice payments).exe

  • Size

    668KB

  • MD5

    76a16bed1a858e75f1ef97d567013ada

  • SHA1

    935ff6bb1dd762b33036bef5907891ababbf769f

  • SHA256

    743cd5b161539860d7779adcc10b393ebb812c8c201b98c974b43ff1f404c34d

  • SHA512

    0b4627c8c45b65f2d3ac81947c98f30e84a322a719bf7405d345a5c247bad35b1cfcc6bbdfb252560987546dcc5a8390198e1bcfaa0efc9a53e8704deb126833

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\未付发票付款(Outstanding invoice payments).exe
    "C:\Users\Admin\AppData\Local\Temp\未付发票付款(Outstanding invoice payments).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oSFTHqCzIjydoa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp520.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1760
    • C:\Users\Admin\AppData\Local\Temp\未付发票付款(Outstanding invoice payments).exe
      "{path}"
      2⤵
        PID:832
      • C:\Users\Admin\AppData\Local\Temp\未付发票付款(Outstanding invoice payments).exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1216

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp520.tmp
      Filesize

      1KB

      MD5

      e6e3f1970ee0863479589d8c14251cb9

      SHA1

      0587591f461c8d32f532165b1fe5d969cf4e8d03

      SHA256

      a2621b23fcf7e0516be9b3bdc59da2f141cb0fecaeb103cf712a21e5fd9f9222

      SHA512

      0cdddbd1d4a48c9b5424581e6e5dd3451472c84f855fc7af2c49c33cb7cf8b9fe8322911001b61adf3a6e7da51fc4483a892c2b6b5342e8e1e2f937867195610

      Download Submit
    • memory/1216-64-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-66-0x000000000046143E-mapping.dmp
      Download
    • memory/1216-71-0x0000000076241000-0x0000000076243000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1216-70-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-68-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-60-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-61-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-63-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1216-65-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1352-54-0x0000000001260000-0x000000000130E000-memory.dmp
      Filesize

      696KB

      Download
    • memory/1352-56-0x0000000005250000-0x00000000052E4000-memory.dmp
      Filesize

      592KB

      Download
    • memory/1352-55-0x0000000000280000-0x000000000028C000-memory.dmp
      Filesize

      48KB

      Download
    • memory/1352-57-0x00000000009E0000-0x0000000000A5E000-memory.dmp
      Filesize

      504KB

      Download
    • memory/1760-58-0x0000000000000000-mapping.dmp
      Download