Analysis

  • max time kernel
    123s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    03-12-2021 09:47

General

  • Target

    Order.009993337.exe

  • Size

    550KB

  • MD5

    d2360fe15b37eb34a479aefa87fa48e3

  • SHA1

    b812bb43a88e0f63558c646615c693347ebbbf7a

  • SHA256

    75f7a5b155426bf485770e395bac90894eee5f8d1742f774429d726f7a5156bc

  • SHA512

    669c9f76a06103ab59f1e2b4a8bccbc5005c1b82dd80279820ead3470c3cdd148081297e1b3e9c895584a52e5ff7f596735108b6272989e925c1a2fca725c9ab

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.greentrading.com.pk
  • Port:
    26
  • Username:
    info@greentrading.com.pk
  • Password:
    lovetoall

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 4 IoCs
  • Loads dropped DLL 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order.009993337.exe
    "C:\Users\Admin\AppData\Local\Temp\Order.009993337.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Users\Admin\AppData\Local\Temp\Order.009993337.exe
      "C:\Users\Admin\AppData\Local\Temp\Order.009993337.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3592

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsbF956.tmp\xavyndwlgi.dll
    MD5

    0c468f1d3cf1d1c8c9db621c50ba45ae

    SHA1

    51070b75b565a4d85580063e259c619d71cdd70d

    SHA256

    2018066b44fa27056bf2b52bed7bf5c3dfe4c8a146bb209aeede273afe7c1fda

    SHA512

    e03a3a0da23bb4bbc768ed3ee00456d4bbb27238f4faa6afa017d85cf9e10293b14ced4072568865398c26ab3e2489406f435560020f20c80efc9190f788189d

  • memory/3592-119-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/3592-120-0x000000000040188B-mapping.dmp
  • memory/3592-122-0x0000000002160000-0x0000000002161000-memory.dmp
    Filesize

    4KB

  • memory/3592-121-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/3592-123-0x0000000002370000-0x00000000023D2000-memory.dmp
    Filesize

    392KB

  • memory/3592-125-0x0000000004A40000-0x0000000004A41000-memory.dmp
    Filesize

    4KB

  • memory/3592-126-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
    Filesize

    4KB

  • memory/3592-127-0x0000000002162000-0x0000000002163000-memory.dmp
    Filesize

    4KB

  • memory/3592-128-0x0000000002163000-0x0000000002164000-memory.dmp
    Filesize

    4KB

  • memory/3592-129-0x0000000002164000-0x0000000002165000-memory.dmp
    Filesize

    4KB

  • memory/3592-130-0x0000000005B50000-0x0000000005B51000-memory.dmp
    Filesize

    4KB

  • memory/3592-131-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
    Filesize

    4KB

  • memory/3592-132-0x0000000005FC0000-0x0000000005FC1000-memory.dmp
    Filesize

    4KB

  • memory/3592-133-0x0000000005F60000-0x0000000005F61000-memory.dmp
    Filesize

    4KB

  • memory/3592-134-0x0000000002167000-0x0000000002169000-memory.dmp
    Filesize

    8KB