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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
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 05:59

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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:4340
    • 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:2424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    79KB

    MD5

    97ae61bfd3e713590fbef9745a477c2a

    SHA1

    a327ba2b51c03543a8602eb834e4befb15e3b8ed

    SHA256

    2cb0dd8dfa7daf5973a8520b07e979fde1f3e9b363438b1be8598501d461edb1

    SHA512

    0b7e6ea15eba5083120100f912d9c154e9d4a7c65625d4661d0f6a74adc469ceda069433acd079bf3b37a89271da23792b98b63feebc3880d43ed8cad004aa2b

    Download Submit

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

    79KB

    MD5

    66c28ab09a7c76d97e1a76c62a85aa11

    SHA1

    287aeff6507309daa91ec43b3c2cd3a202509fed

    SHA256

    64decb3a7e0073e2ecb0a88100be86aa2ad68f6e3e23cbd79640b1890c0a3c46

    SHA512

    1f2d1765ba0be11b2afed1f42c8680b1682c60eb1d762760c54c0b5d94e5ac9ddcd4e3ebba1804c601721a318f93c8c39cb5e053caed5fce18b262dc9903b194

    Download Submit

  • memory/2424-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download

  • memory/4340-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download

  • memory/4340-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

    Download