Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2023 08:15

General

  • Target

    File.exe

  • Size

    657.0MB

  • MD5

    701370ad2956742ba3404f198fb5c2ae

  • SHA1

    c213acdb11eaa7764584ee85065ba36a1497ee29

  • SHA256

    03541d7c87bbf23c619382841be849de98beaf0d465b933b093400d398212ba9

  • SHA512

    95e56faee0cbe739b5499c338824979a34204951b68c1f24408cd607a0c71cf8e9dfd2fe0678fc5b822799fa308cd1e688556027a1b5c5c336bdd57e7b1c2a4b

  • SSDEEP

    98304:8+b8eCtkPFRZUoNDMn2Jv9dNDMLKpD9vp/LJIhx82uaZkSpEIJeA:UeMCRRNH9dFgo9vhL12uaZ5J

Malware Config

Extracted

Family

privateloader

C2

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

45.15.156.229

85.208.136.10

94.131.106.196

5.181.80.133

94.142.138.131

94.142.138.113

208.67.104.60

Attributes
  • payload_url

    https://cdn.discordapp.com/attachments/910842184708792331/931507465563045909/dingo_20220114120058.bmp

    https://c.xyzgamec.com/userdown/2202/random.exe

    http://193.56.146.76/Proxytest.exe

    http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

    http://privacy-tools-for-you-780.com/downloads/toolspab3.exe

    http://luminati-china.xyz/aman/casper2.exe

    https://innovicservice.net/assets/vendor/counterup/RobCleanerInstlr95038215.exe

    http://tg8.cllgxx.com/hp8/g1/yrpp1047.exe

    https://cdn.discordapp.com/attachments/910842184708792331/930849718240698368/Roll.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/930850766787330068/real1201.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/930882959131693096/Installer.bmp

    http://185.215.113.208/ferrari.exe

    https://cdn.discordapp.com/attachments/910842184708792331/931233371110141962/LingeringsAntiphon.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/931285223709225071/russ.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/932720393201016842/filinnn.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/933436611427979305/build20k.bmp

    https://c.xyzgamec.com/userdown/2202/random.exe

    http://mnbuiy.pw/adsli/note8876.exe

    http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

    http://luminati-china.xyz/aman/casper2.exe

    https://suprimax.vet.br/css/fonts/OneCleanerInst942914.exe

    http://tg8.cllgxx.com/hp8/g1/ssaa1047.exe

    https://www.deezloader.app/files/Deezloader_Remix_Installer_64_bit_4.3.0_Setup.exe

    https://www.deezloader.app/files/Deezloader_Remix_Installer_32_bit_4.3.0_Setup.exe

    https://cdn.discordapp.com/attachments/910281601559167006/911516400005296219/anyname.exe

    https://cdn.discordapp.com/attachments/910281601559167006/911516894660530226/PBsecond.exe

    https://cdn.discordapp.com/attachments/910842184708792331/914047763304550410/Xpadder.bmp

Signatures

  • PrivateLoader

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

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\File.exe
    "C:\Users\Admin\AppData\Local\Temp\File.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 968
      2⤵
      • Program crash
      PID:860

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1748-54-0x0000000000400000-0x0000000000EA0000-memory.dmp
    Filesize

    10.6MB

  • memory/1748-56-0x0000000000400000-0x0000000000EA0000-memory.dmp
    Filesize

    10.6MB

  • memory/1748-57-0x0000000000400000-0x0000000000EA0000-memory.dmp
    Filesize

    10.6MB

  • memory/1748-67-0x0000000000400000-0x0000000000EA0000-memory.dmp
    Filesize

    10.6MB

  • memory/1748-76-0x0000000000400000-0x0000000000EA0000-memory.dmp
    Filesize

    10.6MB