Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-07-2021 01:37

General

  • Target

    SecuriteInfo.com.PWS-FCUCCE8D4F1DB8C1.18903.18567.exe

  • Size

    786KB

  • MD5

    ce8d4f1db8c1bd6cf2f5e50124505aea

  • SHA1

    653e11aebdcad7546f5cb86c6cd2efb079a4a388

  • SHA256

    c12973c872a114782c7346f092ebda5e87c947b5aaaf1b80b486c23c79e9400e

  • SHA512

    13eb5835538e9de007903ddec42282bbe372233c1835db9424d050cb120ed01e3cdfc762470a0b270bed09c5f2c64a9569c133ab67d31cfaeef59d1c8dbbd617

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    25
  • Username:
    africaman101@vivaldi.net
  • Password:
    Africanman101

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWS-FCUCCE8D4F1DB8C1.18903.18567.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWS-FCUCCE8D4F1DB8C1.18903.18567.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWS-FCUCCE8D4F1DB8C1.18903.18567.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWS-FCUCCE8D4F1DB8C1.18903.18567.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:784

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/484-60-0x0000000000C00000-0x0000000000C01000-memory.dmp
    Filesize

    4KB

  • memory/484-62-0x0000000004600000-0x0000000004601000-memory.dmp
    Filesize

    4KB

  • memory/484-63-0x0000000000460000-0x000000000046B000-memory.dmp
    Filesize

    44KB

  • memory/484-64-0x00000000050C0000-0x000000000512B000-memory.dmp
    Filesize

    428KB

  • memory/484-65-0x00000000045B0000-0x00000000045D6000-memory.dmp
    Filesize

    152KB

  • memory/784-66-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/784-67-0x000000000041F84E-mapping.dmp
  • memory/784-68-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/784-70-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB