Analysis

  • max time kernel
    123s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    27-02-2021 11:08

General

  • Target

    66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd.exe

  • Size

    366KB

  • MD5

    335a69ee25155d53f6df46c020aa90cd

  • SHA1

    cbecea1d93ff376b6a7f5ea72c191d4020372344

  • SHA256

    66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd

  • SHA512

    5169363ca9bbfbec00e718891976b84ff488065dcc59466517b97e241afba882e5ab0afbfa4c20ba6186feafe2f8af6175aa10c194fb5124b59155db11751d3a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sapgroup.com.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    moin@26919

Signatures

  • 404 Keylogger

    Information stealer and keylogger first seen in 2019.

  • 404 Keylogger Main Executable 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd.exe
    "C:\Users\Admin\AppData\Local\Temp\66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd.exe
      "C:\Users\Admin\AppData\Local\Temp\66dd2c7ac2b0bc7b604efa99f21a828da26c15a366a2e809e23b82dda44b63dd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/428-9-0x000000000041CC8E-mapping.dmp
  • memory/428-8-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/428-10-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/428-11-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/428-13-0x00000000012B0000-0x00000000012B1000-memory.dmp
    Filesize

    4KB

  • memory/1152-2-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/1152-3-0x0000000001330000-0x0000000001331000-memory.dmp
    Filesize

    4KB

  • memory/1152-5-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
    Filesize

    4KB

  • memory/1152-6-0x0000000000B60000-0x0000000000B63000-memory.dmp
    Filesize

    12KB

  • memory/1152-7-0x0000000005A30000-0x0000000005A72000-memory.dmp
    Filesize

    264KB