Overview

overview

10

Static

static

KREG New O...n).exe

windows7_x64

10

KREG New O...n).exe

windows10-2004_x64

10

Analysis

  • max time kernel
    77s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:05

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General

  • Target

    KREG New Order - AM2 PO 90664 (Panda Construction).exe

  • Size

    728KB

  • MD5

    b10ed3e241e4f0ff758cf395a8204c77

  • SHA1

    2d71d1d5217977794946378bf6c6017b3775fd6a

  • SHA256

    efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd

  • SHA512

    e5cfb2db8d248c48e511eca778574200450a5ca656b453924e69f3a9f21078f6c75c132bbdc43f3709ce563d3a871f43e97bf9e310acb6fe8df826db86add7a4

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 11:06:51 PM MassLogger Started: 5/24/2022 11:06:40 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\KREG New Order - AM2 PO 90664 (Panda Construction).exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    stealerspywaremasslogger
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 35 IoCs
    collection
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KREG New Order - AM2 PO 90664 (Panda Construction).exe
    "C:\Users\Admin\AppData\Local\Temp\KREG New Order - AM2 PO 90664 (Panda Construction).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PEVZGzYFxxSydf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp145C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1976
    • C:\Users\Admin\AppData\Local\Temp\KREG New Order - AM2 PO 90664 (Panda Construction).exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp145C.tmp
    Filesize

    1KB

    MD5

    3f7dfcb22881c1f217be3e4e3ca3be99

    SHA1

    175c700bf2b59977641d7a108f1f54e87d60aa21

    SHA256

    8ee792a96e0c424082b40961cc3d8fae4c95c90b1a3a63f32de671d579d30450

    SHA512

    824402a71fd20f83076c3f0734bb497f6197726135e55505158cfeba4d2b7f0eeb3c874f8b2ccd6d205fe498959b63b36dc7af5099e07a423577eff2e3c183cf

    Download Submit
  • memory/884-55-0x0000000000250000-0x000000000025A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/884-56-0x00000000053B0000-0x0000000005450000-memory.dmp
    Filesize

    640KB

    Download
  • memory/884-57-0x0000000075801000-0x0000000075803000-memory.dmp
    Filesize

    8KB

    Download
  • memory/884-54-0x0000000000B90000-0x0000000000C4C000-memory.dmp
    Filesize

    752KB

    Download
  • memory/1960-64-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-60-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-61-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-70-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-68-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-66-0x000000000049419E-mapping.dmp
    Download
  • memory/1960-65-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-63-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1960-71-0x0000000000620000-0x0000000000664000-memory.dmp
    Filesize

    272KB

    Download
  • memory/1960-73-0x00000000003C5000-0x00000000003D6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1960-74-0x0000000000760000-0x0000000000774000-memory.dmp
    Filesize

    80KB

    Download
  • memory/1976-58-0x0000000000000000-mapping.dmp
    Download