Resubmissions

28-03-2024 06:38

240328-hd4x3ace47 10

28-03-2024 01:50

240328-b9e59aae35 10

Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 06:38

General

  • Target

    4c59be9855505c9af55d8b532031c1de313885604162eafa12d53539085df4b2.exe

  • Size

    3.0MB

  • MD5

    e067840e2f9733e5d7bc083cc11ed4fa

  • SHA1

    4d9ad6f1c50a9eb4141a17a5af43f0e0c105b9e0

  • SHA256

    4c59be9855505c9af55d8b532031c1de313885604162eafa12d53539085df4b2

  • SHA512

    278a8da77ac55e97776239813cc9b19940dc6e99a4792a4ecdc806a4b026fe3adb1b1cf6c169545569ef54cad07abc97dd1522fcb939eae2a03a9bd1d3e7f4ec

  • SSDEEP

    49152:WVFonuvKFmwLGZeM9/dFQMDjjzKCkElU+fPONM6WAypQxb1o9JnCmwKWnzFfGI7k:W9CFmwLvEeMDjnpHfP56xypSb1o9JCm

Malware Config

Extracted

Family

orcus

Botnet

Conflicker

C2

Conflicker-35081.portmap.host:35081

Mutex

09bbf5ad32294289979fe0ce356efd76

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Config\Conflicker.exe

  • reconnect_delay

    10000

  • registry_keyname

    Conflicker

  • taskscheduler_taskname

    Secure

  • watchdog_path

    AppData\%appdata%\conflicker\conflicker.exe

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • UAC bypass 3 TTPs 6 IoCs
  • Orcurs Rat Executable 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c59be9855505c9af55d8b532031c1de313885604162eafa12d53539085df4b2.exe
    "C:\Users\Admin\AppData\Local\Temp\4c59be9855505c9af55d8b532031c1de313885604162eafa12d53539085df4b2.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • UAC bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2060
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2148
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2484
    • C:\Program Files\Config\Conflicker.exe
      "C:\Program Files\Config\Conflicker.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • UAC bypass
      • Executes dropped EXE
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1768
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2304
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2588
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BE85436D-8F2F-4D0F-BE0C-6AC336C00B58} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Program Files\Config\Conflicker.exe
      "C:\Program Files\Config\Conflicker.exe"
      2⤵
      • Executes dropped EXE
      PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Config\Conflicker.exe

    Filesize

    3.0MB

    MD5

    e067840e2f9733e5d7bc083cc11ed4fa

    SHA1

    4d9ad6f1c50a9eb4141a17a5af43f0e0c105b9e0

    SHA256

    4c59be9855505c9af55d8b532031c1de313885604162eafa12d53539085df4b2

    SHA512

    278a8da77ac55e97776239813cc9b19940dc6e99a4792a4ecdc806a4b026fe3adb1b1cf6c169545569ef54cad07abc97dd1522fcb939eae2a03a9bd1d3e7f4ec

  • C:\Program Files\Config\Conflicker.exe

    Filesize

    128KB

    MD5

    7fca7ede989ee726d2b7e6444704314c

    SHA1

    752ac5e49efb053e1d46e3f439f87adcb6a3125a

    SHA256

    2cab3db82491e2b9209233261346a1b672bb78d9fbc15b3176d5c0cad5163562

    SHA512

    385599e5744f3c7fb7e0553d5477eeca1bd1b8dad005045d2445b29c30b1c6468568c3c35726ed3e5544d6fd9b0fc4267679eae7e4ff996629ed3e30bcece4ce

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YYJTTHQ7H0C13M241FFU.temp

    Filesize

    7KB

    MD5

    0ae0b49960dba8f228da5fefcc2b0e8a

    SHA1

    360fac01b52b2a142bd2c6ff378239805b9b4172

    SHA256

    d6c45e48118cb61ed894afc354673392d15291776447ddb63ea7d7679051a762

    SHA512

    2fe463c09a5ed562218c4a377a21854cec082e1412ce75984e6e516fe9a3cf4c5946523a267210d251c4384b0806c26f85003176b3227ac82862154063e40fa4

  • C:\Users\Admin\AppData\Roaming\conflicker\err_09bbf5ad32294289979fe0ce356efd76.dat

    Filesize

    1KB

    MD5

    f9f47e502c73fc9f0d6526c397c8b01b

    SHA1

    ab82e105597e6d620c06281d147c1f3781bbde91

    SHA256

    514720e4b4e18ee06d1dbd3b968f9cc69964389ea7047135c61ad9b0477b7123

    SHA512

    0b157c0bf955d3cb1ab807791a13ac9213b4e206171f24e660ab452f20e90468499934283673b1f629c518e14050655f79873f4a9d28beac85ac1e08926f937c

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    b7b8815f40cfcfafe94eedef0f9626f7

    SHA1

    9309f5f229845c27332d6a98d1e1f864400755c6

    SHA256

    4a8878876c87cd8d74f90b4947449c6d72bed6d8d70e1643b2e2572a64c0d8a8

    SHA512

    b5224ec900b13f3da823c1948e1cdad4a9d855ea6da0e07b28b1c412dfcbda84dab829ccc4f414bef35902bc587cc3b2a3d4ce2b60f958081c6ce1ff6be8d12f

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    349B

    MD5

    89817519e9e0b4e703f07e8c55247861

    SHA1

    4636de1f6c997a25c3190f73f46a3fd056238d78

    SHA256

    f40dfaa50dcbff93611d45607009158f798e9cd845170939b1d6088a7d10ee13

    SHA512

    b017cb7a522b9c6794f3691cb7266ec82f565a90d7d07cc9beb53b939d2e9bf34275bc25f6f32d9a9c7136a0aab2189d9556af7244450c610d11ed7a4f584ba3

  • memory/2060-70-0x000000001A9F0000-0x000000001AA0C000-memory.dmp

    Filesize

    112KB

  • memory/2060-72-0x000000001A9D0000-0x000000001AA0B000-memory.dmp

    Filesize

    236KB

  • memory/2060-8-0x0000000000740000-0x000000000074A000-memory.dmp

    Filesize

    40KB

  • memory/2060-9-0x0000000000750000-0x0000000000758000-memory.dmp

    Filesize

    32KB

  • memory/2060-6-0x0000000000570000-0x0000000000578000-memory.dmp

    Filesize

    32KB

  • memory/2060-5-0x0000000000580000-0x0000000000592000-memory.dmp

    Filesize

    72KB

  • memory/2060-1-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

    Filesize

    9.9MB

  • memory/2060-2-0x000000001B230000-0x000000001B2B0000-memory.dmp

    Filesize

    512KB

  • memory/2060-56-0x000000001AA00000-0x000000001AA2A000-memory.dmp

    Filesize

    168KB

  • memory/2060-4-0x0000000000540000-0x000000000054E000-memory.dmp

    Filesize

    56KB

  • memory/2060-58-0x000000001AA00000-0x000000001AA26000-memory.dmp

    Filesize

    152KB

  • memory/2060-57-0x000000001A9E0000-0x000000001A9E8000-memory.dmp

    Filesize

    32KB

  • memory/2060-84-0x000000001A9E0000-0x000000001A9EE000-memory.dmp

    Filesize

    56KB

  • memory/2060-83-0x000000001A9E0000-0x000000001A9EA000-memory.dmp

    Filesize

    40KB

  • memory/2060-82-0x000000001A9E0000-0x000000001A9E8000-memory.dmp

    Filesize

    32KB

  • memory/2060-81-0x000000001A9E0000-0x000000001A9E8000-memory.dmp

    Filesize

    32KB

  • memory/2060-80-0x000000001A9F0000-0x000000001AA0E000-memory.dmp

    Filesize

    120KB

  • memory/2060-79-0x000000001A9F0000-0x000000001AA0E000-memory.dmp

    Filesize

    120KB

  • memory/2060-78-0x000000001A9E0000-0x000000001A9EA000-memory.dmp

    Filesize

    40KB

  • memory/2060-77-0x000000001A9E0000-0x000000001A9EC000-memory.dmp

    Filesize

    48KB

  • memory/2060-76-0x000000001A9E0000-0x000000001A9EA000-memory.dmp

    Filesize

    40KB

  • memory/2060-75-0x000000001AA00000-0x000000001AA26000-memory.dmp

    Filesize

    152KB

  • memory/2060-47-0x000000001CC60000-0x000000001CF68000-memory.dmp

    Filesize

    3.0MB

  • memory/2060-49-0x000000001BDA0000-0x000000001BDF6000-memory.dmp

    Filesize

    344KB

  • memory/2060-50-0x000000001A9E0000-0x000000001A9EA000-memory.dmp

    Filesize

    40KB

  • memory/2060-51-0x000000001CC60000-0x000000001CF68000-memory.dmp

    Filesize

    3.0MB

  • memory/2060-52-0x000000001AA00000-0x000000001AA26000-memory.dmp

    Filesize

    152KB

  • memory/2060-53-0x000000001A9F0000-0x000000001AA08000-memory.dmp

    Filesize

    96KB

  • memory/2060-54-0x000000001A9D0000-0x000000001AA0B000-memory.dmp

    Filesize

    236KB

  • memory/2060-55-0x000000001A9F0000-0x000000001AA06000-memory.dmp

    Filesize

    88KB

  • memory/2060-3-0x0000000000A80000-0x0000000000ADC000-memory.dmp

    Filesize

    368KB

  • memory/2060-85-0x000000001A9F0000-0x000000001AA04000-memory.dmp

    Filesize

    80KB

  • memory/2060-74-0x000000001A9F0000-0x000000001AA0C000-memory.dmp

    Filesize

    112KB

  • memory/2060-59-0x000000001A9F0000-0x000000001AA0C000-memory.dmp

    Filesize

    112KB

  • memory/2060-60-0x000000001C950000-0x000000001CA5A000-memory.dmp

    Filesize

    1.0MB

  • memory/2060-61-0x000000001A9E0000-0x000000001A9EC000-memory.dmp

    Filesize

    48KB

  • memory/2060-62-0x000000001A9F0000-0x000000001AA10000-memory.dmp

    Filesize

    128KB

  • memory/2060-63-0x000000001AA00000-0x000000001AA26000-memory.dmp

    Filesize

    152KB

  • memory/2060-64-0x000000001BDA0000-0x000000001BE39000-memory.dmp

    Filesize

    612KB

  • memory/2060-65-0x000000001A9D0000-0x000000001A9D6000-memory.dmp

    Filesize

    24KB

  • memory/2060-66-0x000000001A9D0000-0x000000001A9DE000-memory.dmp

    Filesize

    56KB

  • memory/2060-67-0x000000001C4E0000-0x000000001C5D8000-memory.dmp

    Filesize

    992KB

  • memory/2060-68-0x000000001A9D0000-0x000000001AA40000-memory.dmp

    Filesize

    448KB

  • memory/2060-69-0x000000001A9D0000-0x000000001AA3D000-memory.dmp

    Filesize

    436KB

  • memory/2060-71-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

    Filesize

    9.9MB

  • memory/2060-0-0x0000000000B10000-0x0000000000E18000-memory.dmp

    Filesize

    3.0MB

  • memory/2060-7-0x0000000000730000-0x0000000000738000-memory.dmp

    Filesize

    32KB

  • memory/2060-73-0x000000001A9F0000-0x000000001AA02000-memory.dmp

    Filesize

    72KB

  • memory/2148-24-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

    Filesize

    9.9MB

  • memory/2148-19-0x00000000003D0000-0x00000000003DC000-memory.dmp

    Filesize

    48KB

  • memory/2148-20-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

    Filesize

    9.9MB

  • memory/2148-21-0x000000001A810000-0x000000001A890000-memory.dmp

    Filesize

    512KB

  • memory/2484-42-0x000007FEEC430000-0x000007FEECDCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2484-41-0x0000000002C50000-0x0000000002CD0000-memory.dmp

    Filesize

    512KB

  • memory/2484-37-0x000000001B5A0000-0x000000001B882000-memory.dmp

    Filesize

    2.9MB

  • memory/2484-45-0x000007FEEC430000-0x000007FEECDCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2484-43-0x0000000002C50000-0x0000000002CD0000-memory.dmp

    Filesize

    512KB

  • memory/2484-38-0x000007FEEC430000-0x000007FEECDCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2484-39-0x0000000002A60000-0x0000000002A68000-memory.dmp

    Filesize

    32KB

  • memory/2484-44-0x0000000002C50000-0x0000000002CD0000-memory.dmp

    Filesize

    512KB

  • memory/2484-40-0x0000000002C50000-0x0000000002CD0000-memory.dmp

    Filesize

    512KB

  • memory/2588-28-0x0000000019A70000-0x0000000019AF0000-memory.dmp

    Filesize

    512KB

  • memory/2588-27-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

    Filesize

    9.9MB

  • memory/2588-26-0x0000000001230000-0x000000000123C000-memory.dmp

    Filesize

    48KB