Overview

overview

10

Static

static

Halkbank_E...84.exe

windows7_x64

10

Halkbank_E...84.exe

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19-10-2021 13:39

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General

  • Target

    Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe

  • Size

    310KB

  • MD5

    9f78e05450597bf6492983152fb0775b

  • SHA1

    146781a936737cf7f9d7ac5022cf7385b7f165a3

  • SHA256

    7fc84151175c22d691f980a4e97131487d292e5d32e3ddf243e06065ef8ab805

  • SHA512

    44cb53ac7be417e745b886dbfd0b0e3957c213ea9f32351d22e13925d21725b8098389f61f3268ba0a8c0ef53c2f10ee2ec50f97a24a1e4b5b157a83c7ac3988

Score
10/10
snakekeyloggercollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:     smtp
  • Host:
    mail.enche.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Merchandise08012021

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • 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
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe"
      2⤵
        PID:1192
      • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe
        "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2021151083739977776234_4397392776763884.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1956

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1700-54-0x00000000010F0000-0x00000000010F1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1700-56-0x00000000762D1000-0x00000000762D3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1700-57-0x0000000004E30000-0x0000000004E31000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1700-58-0x0000000004E31000-0x0000000004E32000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1700-59-0x0000000004E32000-0x0000000004E33000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1700-60-0x0000000000A50000-0x0000000000A58000-memory.dmp
      Filesize

      32KB

      Download
    • memory/1700-61-0x0000000008160000-0x00000000081A2000-memory.dmp
      Filesize

      264KB

      Download
    • memory/1956-62-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-63-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-65-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-66-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-64-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-67-0x000000000042051E-mapping.dmp
      Download
    • memory/1956-68-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1956-70-0x0000000004940000-0x0000000004941000-memory.dmp
      Filesize

      4KB

      Download