General

  • Target

    NEAS.f24d47bd9cc9daa71c869a1d06551801395ba2bbbff0c33a102e79d32c0a630d.exe

  • Size

    12.6MB

  • Sample

    231107-f7hwksdf95

  • MD5

    699c65fed2ca6370f86d5da5f70ee9c2

  • SHA1

    f27c46e0e5bf076326392f0f4e1976f8ecd6db35

  • SHA256

    f24d47bd9cc9daa71c869a1d06551801395ba2bbbff0c33a102e79d32c0a630d

  • SHA512

    87c847e190fbac40ccc8a21c16ab120a74c71b1d157137935c8305725715f14b76b823e098b1d44b6b94b040183c2a76f9a6bfe0788ce19eee7866c2936e9692

  • SSDEEP

    196608:p4449wWScdoaUS52mpMJ3pQHfI3rp0wbGo+rcjDxg1DW3Xap/5kXf7Snruf2K21s:v49wWddo1SJpMJZ53t5DftPQrNrdYj

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      NEAS.f24d47bd9cc9daa71c869a1d06551801395ba2bbbff0c33a102e79d32c0a630d.exe

    • Size

      12.6MB

    • MD5

      699c65fed2ca6370f86d5da5f70ee9c2

    • SHA1

      f27c46e0e5bf076326392f0f4e1976f8ecd6db35

    • SHA256

      f24d47bd9cc9daa71c869a1d06551801395ba2bbbff0c33a102e79d32c0a630d

    • SHA512

      87c847e190fbac40ccc8a21c16ab120a74c71b1d157137935c8305725715f14b76b823e098b1d44b6b94b040183c2a76f9a6bfe0788ce19eee7866c2936e9692

    • SSDEEP

      196608:p4449wWScdoaUS52mpMJ3pQHfI3rp0wbGo+rcjDxg1DW3Xap/5kXf7Snruf2K21s:v49wWddo1SJpMJZ53t5DftPQrNrdYj

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks