Overview

overview

10

Static

static

Halkbank_E...df.exe

windows7_x64

10

Halkbank_E...df.exe

windows10_x64

10

Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    06-12-2021 13:18

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General

  • Target

    Halkbank_Ekstre_20211206_073714_893133.pdf.exe

  • Size

    1.3MB

  • MD5

    a79b059ad6fa9f6db6085ab511afbd68

  • SHA1

    ae8e5c2541ff2619a6f97b81c64c27cdb00f68cc

  • SHA256

    7c9ec86bf7e62028b5a8967b2cb83020123d033ca981f6ce0193f2c5f7133b7c

  • SHA512

    48acbdd89b49aa7f5908c78cbdb9a03ed82f1f974c471b09d43cbed6887ca3e783934d0a5e1692eda3e2c8db0842930257cd36bbfe54a36afb74381e05b025c3

Score
10/10
snakekeyloggercollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:     smtp
  • Host:
    mail.palladiumss.com
  • Port:
    587
  • Username:
    raman@palladiumss.com
  • Password:
    raman@1210

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211206_073714_893133.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211206_073714_893133.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211206_073714_893133.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211206_073714_893133.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:836

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

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Downloads

  • memory/836-60-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-61-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-62-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-63-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-65-0x000000000042043E-mapping.dmp
    Download
  • memory/836-66-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/836-68-0x00000000049D0000-0x00000000049D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1664-55-0x0000000000040000-0x0000000000041000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1664-57-0x00000000021C0000-0x00000000021C1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1664-58-0x0000000001FE0000-0x0000000001FE8000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1664-59-0x0000000007AC0000-0x0000000007BCA000-memory.dmp
    Filesize

    1.0MB

    Download