Analysis

  • max time kernel
    169s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 00:25

General

  • Target

    0d687b34f55d9fb09fa62118a7f26d11581bf16a10b74da35ecaf46c52332ffb.exe

  • Size

    2.8MB

  • MD5

    4f223593516f4b0774c5dfa3d459d6ff

  • SHA1

    0b1579bf0cf9a422148a2e5900cc1f0d67ec16fb

  • SHA256

    0d687b34f55d9fb09fa62118a7f26d11581bf16a10b74da35ecaf46c52332ffb

  • SHA512

    358368fe3b81e316f28a2b2a01e190aa08204192da22b2a0d73fe91fcbe5c3be3f8ce4b3f6722fd3a396ac9dcbb2318a4d4a65f27e2f508937883e2af897461d

  • SSDEEP

    49152:Tsn+sPhIxWg2MQjdAYUU8V6zlBsjmb00HT0S+OqmewHuK/W7d:Ts+d4ZuYUUY6SZ0H4fOft/

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies data under HKEY_USERS 53 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d687b34f55d9fb09fa62118a7f26d11581bf16a10b74da35ecaf46c52332ffb.exe
    "C:\Users\Admin\AppData\Local\Temp\0d687b34f55d9fb09fa62118a7f26d11581bf16a10b74da35ecaf46c52332ffb.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\RelayDefender\RelayDefender.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:4232
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\RelayDefender\RelayDefender.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\RelayDefender\RelayDefender.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:2632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\RelayDefender\RelayDefender.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • C:\Program Files (x86)\RelayDefender\RelayDefender.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • C:\Program Files (x86)\RelayDefender\RelayDefender.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • C:\Program Files (x86)\RelayDefender\RelayDefender.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • C:\Users\Admin\AppData\Local\Temp\tf07405adf.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • \??\c:\Program Files (x86)\RelayDefender\RelayDefender.dll

    Filesize

    1.9MB

    MD5

    9c7ad6fbeecee71bc7d4d6cf23e288e8

    SHA1

    55b4e38630a8eb59d2605814362e36de63c556a5

    SHA256

    0f6e8325030b23d6d61246808d83ba369b75de35069b060ce8a3a6ac71bb7af6

    SHA512

    ac01f875edb5b716b248a7a99c4547dfe87cd05bae6f30622a1e5e6dff02aa13cf619463125ea970887569bcac49e1e36a61ef8aca730d3dd48462a6e9ac97f9

  • memory/2632-151-0x0000000000000000-mapping.dmp

  • memory/2632-153-0x000000007EC00000-0x000000007EF58000-memory.dmp

    Filesize

    3.3MB

  • memory/4232-143-0x0000000000000000-mapping.dmp

  • memory/4232-146-0x000000007F790000-0x000000007FAE8000-memory.dmp

    Filesize

    3.3MB

  • memory/4628-132-0x000000007EDB0000-0x000000007F0B1000-memory.dmp

    Filesize

    3.0MB

  • memory/4628-138-0x000000007E900000-0x000000007EC58000-memory.dmp

    Filesize

    3.3MB