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Overview

overview

10

Static

static

10

4b1f208b98...00.exe

windows7-x64

10

4b1f208b98...00.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 05:51

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General

  • Target

    4b1f208b98556d229ebd2b65e4960f8a0914e1a5cc2cf20199c6c38b5a2f1d00.exe

  • Size

    77KB

  • MD5

    a67bc13999be2dc1da149aedf01816c0

  • SHA1

    9107307d86e9e674991f58b39da9ced6e31d947d

  • SHA256

    4b1f208b98556d229ebd2b65e4960f8a0914e1a5cc2cf20199c6c38b5a2f1d00

  • SHA512

    d0fbc4c8ab222dcd27c186cf3fbc028fb3390d3143fc8957e913e083eb4591fcafbf42a524772b9c75125e35b779e48bcb3e4872d6a5ad0269f1593818a166bb

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOC:RshfSWHHNvoLqNwDDGw02eQmh0HjWOC

Score
10/10
qqpassdiscoverypersistencetrojan

Malware Config

Extracted

Family

qqpass

C2

http://www.zigui.org/article.php?id=103822

Attributes
  • url

    http://www.mxm9191.com/myrunner_up.exe

  • user_agent

    Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

Signatures

  • QQpass

    QQpass is a trojan written in C++..

    trojanqqpass
  • Qqpass family
    qqpass
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b1f208b98556d229ebd2b65e4960f8a0914e1a5cc2cf20199c6c38b5a2f1d00.exe
    "C:\Users\Admin\AppData\Local\Temp\4b1f208b98556d229ebd2b65e4960f8a0914e1a5cc2cf20199c6c38b5a2f1d00.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5276
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe
    Filesize

    79KB

    MD5

    15d6e511640cb3c9fdae7ac3a792e12f

    SHA1

    5a5125f9fd0f6ab17b1603a22ce76387d33d4f52

    SHA256

    03a29daca47ab3225d38743048899d2368543d785465b5876dd08515011c50ac

    SHA512

    58e6cd3044c8e7c07e48fa689eb398937b4d598b11a6b5aeeaecfe2dc7e87748b60618db690b6bb32105c44ed0b68f5704e64a9062961b0c440c75e7fa0f689f

    Download Submit

  • C:\Windows\System\rundll32.exe
    Filesize

    83KB

    MD5

    e1694d1fd6c4931ab981274e402c1ce6

    SHA1

    a088e656735fa76cd1a4ac67566202e3b8a17cfb

    SHA256

    96c1ad25353430463264e771c0cebbc47805bdc3ddb9e5dff1f562808c1d753b

    SHA512

    f404a597fa4266e325af6fdd90241af5834e6f02a5fca1aa2aa64764c7b37da4d735859214019caa746ecb4dc2d8e19e893ea2c54699d48f78e32d1610fb15dc

    Download Submit

  • memory/868-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download

  • memory/5276-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download

  • memory/5276-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download