General

  • Target

    c105d4787dde8f7183c57c1285e9f808

  • Size

    5.7MB

  • Sample

    240311-tm77mafb4z

  • MD5

    c105d4787dde8f7183c57c1285e9f808

  • SHA1

    91111164eb5a8b996eefe72a6363bad3f1a858b0

  • SHA256

    a8d8a6f9478a60a05d3b8c57a616da20c83b99bc7877c46163fcd126bbb25409

  • SHA512

    5f97fdcdb34d8ce3d3e7272a30e27d93766bf0214a54ac55cdafd41e3bbfb57ebc537fe5955a7af80fee578c17f81116410e69cf865aa38a2d93280ff0c308a1

  • SSDEEP

    98304:x7CvLUBsg7C0ijhUYMUpUqOnvqpM2GSEw1kHyaNgUvI745IRZYriuyY7x77:xALUCg7Cj1DavBHyQgUQ7XYiuyY7xv

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

cryptbot

C2

lysuht78.top

morisc07.top

Attributes
  • payload_url

    http://damysa10.top/download.php?file=lv.exe

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      c105d4787dde8f7183c57c1285e9f808

    • Size

      5.7MB

    • MD5

      c105d4787dde8f7183c57c1285e9f808

    • SHA1

      91111164eb5a8b996eefe72a6363bad3f1a858b0

    • SHA256

      a8d8a6f9478a60a05d3b8c57a616da20c83b99bc7877c46163fcd126bbb25409

    • SHA512

      5f97fdcdb34d8ce3d3e7272a30e27d93766bf0214a54ac55cdafd41e3bbfb57ebc537fe5955a7af80fee578c17f81116410e69cf865aa38a2d93280ff0c308a1

    • SSDEEP

      98304:x7CvLUBsg7C0ijhUYMUpUqOnvqpM2GSEw1kHyaNgUvI745IRZYriuyY7x77:xALUCg7Cj1DavBHyQgUQ7XYiuyY7xv

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • Detect ZGRat V1

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks