Analysis

  • max time kernel
    183s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2022 01:28

General

  • Target

    52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869.exe

  • Size

    89KB

  • MD5

    60ac7ad7eccc1cdc8e2fcd21cf42e068

  • SHA1

    0d1b45bcbdbd9699bde81e984edbac26e6e39b11

  • SHA256

    52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869

  • SHA512

    4cf4816f4587910e5541da1eb2bfc90d8281e7c11339a9708c692d7124f70b65f1fb714ff3e7e8ecb3e3cb10817a9080f313f31034c6b756f7589afbbc4a85ba

Malware Config

Extracted

Family

netwire

C2

178.32.72.136:3361

193.124.117.153:3360

Attributes
  • activex_autorun

    true

  • activex_key

    {UL0J35EK-4812-5A22-5827-J02V07OJ0H4J}

  • copy_executable

    true

  • delete_original

    true

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Skype.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • mutex

    TptENIRd

  • offline_keylogger

    true

  • password

    ebefob44

  • registry_autorun

    true

  • startup_name

    Skype

  • use_mutex

    true

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869.exe
    "C:\Users\Admin\AppData\Local\Temp\52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Users\Admin\AppData\Roaming\Install\Skype.exe
      -m "C:\Users\Admin\AppData\Local\Temp\52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Skype.exe

    Filesize

    89KB

    MD5

    60ac7ad7eccc1cdc8e2fcd21cf42e068

    SHA1

    0d1b45bcbdbd9699bde81e984edbac26e6e39b11

    SHA256

    52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869

    SHA512

    4cf4816f4587910e5541da1eb2bfc90d8281e7c11339a9708c692d7124f70b65f1fb714ff3e7e8ecb3e3cb10817a9080f313f31034c6b756f7589afbbc4a85ba

  • C:\Users\Admin\AppData\Roaming\Install\Skype.exe

    Filesize

    89KB

    MD5

    60ac7ad7eccc1cdc8e2fcd21cf42e068

    SHA1

    0d1b45bcbdbd9699bde81e984edbac26e6e39b11

    SHA256

    52ebeec6271770d72e3f2ed73535cd4a9b4d614e8877bd52a777b5f23d492869

    SHA512

    4cf4816f4587910e5541da1eb2bfc90d8281e7c11339a9708c692d7124f70b65f1fb714ff3e7e8ecb3e3cb10817a9080f313f31034c6b756f7589afbbc4a85ba

  • memory/1684-130-0x0000000000000000-mapping.dmp