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General

  • Target

    NEAS.173cf6b50cfad4fa06f6826452aeceae743a49fb7c2cdc6445961c01dc11da92exe_JC.exe

  • Size

    13.4MB

  • Sample

    231009-snw1badf71

  • MD5

    32846f71425da8ab731ebe0016dac49f

  • SHA1

    507b6fc8d7ebdbd39cbe1de91859eaa9086d9fcc

  • SHA256

    173cf6b50cfad4fa06f6826452aeceae743a49fb7c2cdc6445961c01dc11da92

  • SHA512

    743026e12a010b509e93d059a97c642c20c4fcd65be0efd006bee31ce2331e5b5d54128bb578de60ef5b2c403256ac60acd9c639be9ea5ad80f602e886647359

  • SSDEEP

    196608:2IgCXUXYGU2MYWZ3mpejjiAN8YrOmSIFIuHB+q9LOKd/VT7cRRbYc:lgCkX1SZ3pniIzl7XhZLOKd/Wz

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

Extracted

Family

stealc

C2

http://5.42.65.39

Attributes
  • url_path

    /bed95ea4798a5204.php

rc4.plain

Targets

    • Target

      NEAS.173cf6b50cfad4fa06f6826452aeceae743a49fb7c2cdc6445961c01dc11da92exe_JC.exe

    • Size

      13.4MB

    • MD5

      32846f71425da8ab731ebe0016dac49f

    • SHA1

      507b6fc8d7ebdbd39cbe1de91859eaa9086d9fcc

    • SHA256

      173cf6b50cfad4fa06f6826452aeceae743a49fb7c2cdc6445961c01dc11da92

    • SHA512

      743026e12a010b509e93d059a97c642c20c4fcd65be0efd006bee31ce2331e5b5d54128bb578de60ef5b2c403256ac60acd9c639be9ea5ad80f602e886647359

    • SSDEEP

      196608:2IgCXUXYGU2MYWZ3mpejjiAN8YrOmSIFIuHB+q9LOKd/VT7cRRbYc:lgCkX1SZ3pniIzl7XhZLOKd/Wz

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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