Overview

overview

10

Static

static

Halkbank_E...20.exe

windows7_x64

10

Halkbank_E...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    94s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:40

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General

  • Target

    Halkbank_Ekstre_202004 2020.exe

  • Size

    476KB

  • MD5

    69204a173d4450c4e4f1b5f30e8a0ed0

  • SHA1

    6679c0ea350037f6cdee2e1265c77722bf936304

  • SHA256

    c4fdfd3c5845ef7a537230b46564c1c81c139194f36097ce0b97b02e8a118dbc

  • SHA512

    6fb201f527c2b71ea74277b29ffbf3cc42ce9994b4512eae58591291b3da6e2ade4d94124a5d49696b265b0a183f8c537dbde76cf4b059d488ea3f8481540e59

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.ionos.mx
  • Port:
    587
  • Username:
    lety@solar-pro.mx
  • Password:
    lp475869

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 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
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202004 2020.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202004 2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SIfqdBBOXH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21D4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1788
    • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202004 2020.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202004 2020.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1436
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:828

    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

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp21D4.tmp
      Filesize

      1KB

      MD5

      5436e271eeb731c6851f64ca4e1f6bfe

      SHA1

      b66ec93ac1fa258425ff2f0bcc87559c43c13778

      SHA256

      b48521c64b13b363b793f4c57be1366cf8ed3196edeff58675d70b0dc8436906

      SHA512

      7d511826d27a853e8271f00410cf47771a2d03af5d7245971ce93930b29cb0d2e72b5ad2cedec5628c8d3db858d44d937644eb9a7a0cc312a3cddd8aa0540fe5

      Download Submit
    • memory/828-71-0x0000000000000000-mapping.dmp
      Download
    • memory/1436-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-58-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-59-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-62-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-63-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-64-0x000000000044CE2E-mapping.dmp
      Download
    • memory/1436-66-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-68-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1436-70-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1636-54-0x0000000075841000-0x0000000075843000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1636-55-0x0000000074720000-0x0000000074CCB000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1788-56-0x0000000000000000-mapping.dmp
      Download