Analysis

  • max time kernel
    164s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 16:38

General

  • Target

    856f36aff6f7267ca34d64a6bbf468d79f0f51a3cd0b3db34141a544bc28fe8c.exe

  • Size

    3.3MB

  • MD5

    b675b8efe6f1a208314ce2d44ef8a677

  • SHA1

    840db3de907bd8ab5f6cad8fc2668b1a534fd56f

  • SHA256

    856f36aff6f7267ca34d64a6bbf468d79f0f51a3cd0b3db34141a544bc28fe8c

  • SHA512

    74b68197cedcb52802b6cf0e2b8333b6082e0fd1cf339b8219a7ea0d9c993edd3755d6eaca2f71856bc65da238b58ea3a867cddc149b388626fba2987194a1b5

  • SSDEEP

    49152:fH6teOGBaqYC0qfqx64BfP1OdUm7oLLHXJxnoG7EbQJZf8q1ZFQ21p4AjS9IqHTF:fHDFYnIV4pNLzvoWQs8q1gop4AjwHTX

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 10 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\856f36aff6f7267ca34d64a6bbf468d79f0f51a3cd0b3db34141a544bc28fe8c.exe
    "C:\Users\Admin\AppData\Local\Temp\856f36aff6f7267ca34d64a6bbf468d79f0f51a3cd0b3db34141a544bc28fe8c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:2200
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4492
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:4284

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll
    Filesize

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

  • C:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll
    Filesize

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

  • C:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll
    Filesize

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

  • C:\Program Files (x86)\IncludeFoobar\IncludeFoobar.dll
    Filesize

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

  • C:\Users\Admin\AppData\Local\Temp\tf5e3b40de.dll
    Filesize

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

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

    2.1MB

    MD5

    c53d6a2642221c6452eb5af211b23df7

    SHA1

    925603c7b4d8b11c9d8177136620be400151b8ac

    SHA256

    e2cb07fd4f3164e8d8af43587b0c0f24bf45397dfab6edf2b8d541b57b95be60

    SHA512

    31b17195e70fd5311408e004b2e15b7ea3ba56b192878533e36ac34ccf4b32754fce117fe5c62742656053ac8ab79696020501105fd6605c8a234e274b35fbb8

  • memory/2108-132-0x000000007EC10000-0x000000007EF54000-memory.dmp
    Filesize

    3.3MB

  • memory/2108-138-0x000000007E760000-0x000000007EAB8000-memory.dmp
    Filesize

    3.3MB

  • memory/2200-143-0x0000000000000000-mapping.dmp
  • memory/2200-146-0x000000007F380000-0x000000007F6D8000-memory.dmp
    Filesize

    3.3MB

  • memory/4284-151-0x0000000000000000-mapping.dmp
  • memory/4284-153-0x000000007EE40000-0x000000007F198000-memory.dmp
    Filesize

    3.3MB