Overview

overview

10

Static

static

Halkbank_E...59.exe

windows7_x64

10

Halkbank_E...59.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:37

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General

  • Target

    Halkbank_Ekstre_20200213_154827_701859.exe

  • Size

    468KB

  • MD5

    d96dd42bfca040bf5d1b39bdf86621c7

  • SHA1

    6190b602dd823c485cbdd036d355b13c6e9995a5

  • SHA256

    69e836f80b35f0405195f3eab755c9c0c4be8e1331693228675348b7a2660f79

  • SHA512

    f8e1de487f62c094ecbb75c183a8d6c178e4633d38fdbb205dd9c23e1e285e6093009f847f8d06d299839a89e49bb96e221162a2c74d7523c3ac6c54fab9c877

Score
10/10
collectionspywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     ftp
  • Host:
    premium38.timeweb.ru
  • Port:
    21
  • Username:
    cf95552
  • Password:
    ce40zgS4xi6r

Signatures

  • 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
  • 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 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20200213_154827_701859.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20200213_154827_701859.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uOwQzAQP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD86.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1636
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      2⤵
        PID:5036

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpCD86.tmp
      Filesize

      1KB

      MD5

      e2f3f69da9c43ccc4d905180fce2302c

      SHA1

      e12ed172f39215a0bc5cb26ebe1d561a3a21c370

      SHA256

      4bc8144a908bdb527b8353764847362910e1782e4db63d11b8676e8d33ee9541

      SHA512

      d9db7e0bae06eb1c126154e3fb0239460da5014ed4fbed5f0be8e5a2fb814f24ef35405d00f95d193c6e5436851a1db203b7f38301a659a86c7a8ab3c4cdc264

      Download Submit
    • memory/1636-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4436-130-0x00000000004B0000-0x000000000052C000-memory.dmp
      Filesize

      496KB

      Download
    • memory/4436-131-0x0000000005420000-0x00000000059C4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4436-132-0x0000000004D80000-0x0000000004E12000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4436-133-0x0000000004E40000-0x0000000004E4A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4436-134-0x0000000008850000-0x00000000088EC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4436-137-0x00000000092B0000-0x0000000009316000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4436-138-0x0000000009050000-0x00000000090A0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/5036-139-0x0000000000000000-mapping.dmp
      Download