Overview

overview

10

Static

static

3

a36141b205...0e.exe

windows7-x64

10

a36141b205...0e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2024, 08:59

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General

  • Target

    a36141b2055a3284cc1b0375ddb9090e.exe

  • Size

    218KB

  • MD5

    a36141b2055a3284cc1b0375ddb9090e

  • SHA1

    0f1f59c5261ab76e202722459e55424626573ee8

  • SHA256

    6816acd73cc1c029dc9a7bbc1543758694056f692c8293a6da517ea2d1425673

  • SHA512

    455875d2eb923eba561f7be74f9eff90c79124b56a717b303d8dd2e1de16af4ca2f4b07bba0e88813e73c891469f88333a0c59aedbb5250563b694e234838ee7

  • SSDEEP

    3072:VgDaLX9QXu6gQ/tUHC4yvtyxJvTqLf82ImtIQ8PwNtR7nB+kV0KUwaXJC8z/xWiT:qaLX96ubctUHC4yvtyX2frIsUwFgkVh

Score
10/10
adwareevasionpersistencestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 2 TTPs 8 IoCs
    evasion
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a36141b2055a3284cc1b0375ddb9090e.exe
    "C:\Users\Admin\AppData\Local\Temp\a36141b2055a3284cc1b0375ddb9090e.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s C:\Windows\system32\mshpc.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:2312
    • C:\Windows\SysWOW64\mrcmgr.exe
      "C:\Windows\System32\mrcmgr.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies firewall policy service
      • Adds policy Run key to start application
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1864
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\ddr7xm.dll
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:2636
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\System32\explorer.exe"
        3⤵
          PID:116
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5000 CREDAT:17410 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PTB8EEY3\suggestions[1].en-US
      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      Download Submit

    • C:\Windows\SysWOW64\ddr7xm.dll
      Filesize

      48KB

      MD5

      951ec5c255c79f4164d27b14da454dbe

      SHA1

      e3b9322831bca6f37a901e8b3597ffd7aab7ea8b

      SHA256

      2f72b6e6fa6bb70ad0e70c67c854d61e1ad5b69ccdd0a8882e679cafc347f8fe

      SHA512

      18b83ed995d683eb9052c270c4fbf996f57fa337b40fc096595840146477b1001893d5242a582c56ac07200d24fe86a4845e7304a8a0c31b425af5fe3980f92f

      Download Submit

    • C:\Windows\SysWOW64\mrcmgr.exe
      Filesize

      62KB

      MD5

      62155b9211b8f50a41c85dc8fc0b30ae

      SHA1

      277e71a59849bc89e39ba0940aa44a14746c7602

      SHA256

      ed2510ed98fa1068c60043f5b700190666854891152ffd436ecb7ff677b4863e

      SHA512

      6942a889d3b9e518b4c0d7b19f49df9558fb4649fdaa1fa1a2ce8bdfa990d356a859d526f362674eca62d73efc9e8b5c9ebec831e3557b84a4a05b7e0ec7a913

      Download Submit

    • C:\Windows\SysWOW64\mshpc.dll
      Filesize

      100KB

      MD5

      6149cc928cfba138d2b32ee0f81be927

      SHA1

      963a3f062fefc8fafeb6b00f07ca45c99ae5dcbf

      SHA256

      13d8c1c10a1640af046c555675b99b6bdc7ad941a7fb32098fe4fe2b9c79ef93

      SHA512

      96e03153cc17e56b8f39c27c6169a46b9d29f1124a4765f0e6678628532a4309acf87b5a0d3b52cf9c672d0626255c38d2a9f2973e20b350e21195de88ea1b2b

      Download Submit

    • memory/1864-12-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/1864-21-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download