Overview

overview

10

Static

static

b29f77bf9d...e7.exe

windows7_x64

10

b29f77bf9d...e7.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    11-07-2020 06:10

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General

  • Target

    b29f77bf9d9c0c91f62a930ee7c900e7.exe

  • Size

    1.0MB

  • MD5

    b29f77bf9d9c0c91f62a930ee7c900e7

  • SHA1

    4d3efdfc28be25aab74bf08bd6b91ad6fda23aa4

  • SHA256

    c9a1e7bfb01b6f8f269a6b04cde83384edaec1d81edf3280d595153e7a148b23

  • SHA512

    9de547f84e3778e999ceb05c1df896505aa3d41544a35a9fd644f1829cf8ab97ae507066fcdbd0539fc1ba5e5d5d2f9f23f5613201064227cd513f2852fe9103

Score
10/10
spywarestealermasslogger

Malware Config

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1361 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • MassLogger

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

    stealerspywaremasslogger
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b29f77bf9d9c0c91f62a930ee7c900e7.exe
    "C:\Users\Admin\AppData\Local\Temp\b29f77bf9d9c0c91f62a930ee7c900e7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1388
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • Drops startup file
      PID:1444
      • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
        "C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        PID:1528
        • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe"
          4⤵
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:908
        • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe" 2 908 91166
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • \Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • \Users\Admin\AppData\Roaming\appdata\jskkd.exe
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  • memory/372-11-0x0000000000000000-mapping.dmp
    Download
  • memory/908-7-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/908-8-0x000000000053F9D0-mapping.dmp
    Download
  • memory/908-10-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/908-13-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/908-14-0x0000000001F10000-0x0000000001FAA000-memory.dmp
    Filesize

    616KB

    Download
  • memory/908-15-0x0000000002062000-0x0000000002063000-memory.dmp
    Filesize

    4KB

    Download
  • memory/908-16-0x0000000000330000-0x00000000003C3000-memory.dmp
    Filesize

    588KB

    Download
  • memory/1444-0-0x0000000000000000-mapping.dmp
    Download
  • memory/1444-1-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1528-4-0x0000000000000000-mapping.dmp
    Download