Overview

overview

10

Static

static

HDFCR52020...DF.exe

windows7_x64

10

HDFCR52020...DF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    128s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:23

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General

  • Target

    HDFCR52020061784196958 PDF.exe

  • Size

    852KB

  • MD5

    ccc19de53da5589da2a83995e22c649b

  • SHA1

    b44010fa8d9ac9e57bdca725d1497288bcd1bb72

  • SHA256

    00d6fd04656c60eb2712da13fd06488de59c25e79c18b2a8ae2b2ed12c4e030f

  • SHA512

    344c5a6a99e506574c361adc6e6d7f040688d55d2323a8df2acc17a74d682686e46f73fee386f1886d53461197db6be6eba32460455d3a9efab8e47185d52790

Score
10/10
massloggercollectionransomwarerezer0spywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### 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: 5/21/2022 2:12:04 PM MassLogger Started: 5/21/2022 2:11:48 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\HDFCR52020061784196958 PDF.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 6 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • 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 15 IoCs
    collection
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HDFCR52020061784196958 PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\HDFCR52020061784196958 PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Local\Temp\HDFCR52020061784196958 PDF.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
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

  • memory/908-54-0x0000000000B00000-0x0000000000BDC000-memory.dmp
    Filesize

    880KB

    Download
  • memory/908-55-0x0000000000270000-0x0000000000286000-memory.dmp
    Filesize

    88KB

    Download
  • memory/908-56-0x00000000053D0000-0x000000000547E000-memory.dmp
    Filesize

    696KB

    Download
  • memory/1792-57-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-58-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-60-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-61-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-62-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-63-0x00000000004A2D8E-mapping.dmp
    Download
  • memory/1792-65-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-67-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1792-68-0x0000000000690000-0x00000000006D4000-memory.dmp
    Filesize

    272KB

    Download
  • memory/1792-69-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1792-70-0x0000000004E85000-0x0000000004E96000-memory.dmp
    Filesize

    68KB

    Download