Overview

overview

10

Static

static

Halkbank_E...20.exe

windows7_x64

10

Halkbank_E...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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

Credentials

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

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 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 14 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SIfqdBBOXH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB3F3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3844
    • 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:3920
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1528

    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

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    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\tmpB3F3.tmp
      Filesize

      1KB

      MD5

      7484c5ed46753d9e5a7f047d4fd80f93

      SHA1

      138b6e61ec2fdb0030236b401dddec3de96b11a1

      SHA256

      e0cb54466d4c41ba769d575f5d265d89083d5fb24688228b8a3411c1917c0103

      SHA512

      7e9aaf7bd4ea7560d3370529167d46df8581472addc22e68c043468780376cf8c8fb39cb11dd3cfb980382b4e53201d3958ef9fa0917e5295d605f23d32e048e

      Download Submit
    • memory/1528-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3844-131-0x0000000000000000-mapping.dmp
      Download
    • memory/3920-133-0x0000000000000000-mapping.dmp
      Download
    • memory/3920-134-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/3920-135-0x0000000074F30000-0x00000000754E1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4512-130-0x0000000074F30000-0x00000000754E1000-memory.dmp
      Filesize

      5.7MB

      Download