Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2022 13:23

General

  • Target

    69f8a9ed6497c7e99fcdd02b919b3a3e.exe

  • Size

    2.7MB

  • MD5

    69f8a9ed6497c7e99fcdd02b919b3a3e

  • SHA1

    3abf60e7c3a7c17e48ac1ea76082bef02347a825

  • SHA256

    246fd02f7ed25c172ba3d9837c9a00c5983cb386ed0b96270cfffda94b34b911

  • SHA512

    978c2711ec9c99fc2ea9e0bf93a0e99b8ef111c723f2217f94f1b8c787d096c5e7d5c2b5876a0b79d8f08b9d8d4ff30a40a7a0f6aa5f890c9c7562cfba7d6f07

Malware Config

Extracted

Family

privateloader

C2

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

http://sarfoods.com/index.php

Attributes
  • payload_url

    http://193.233.177.215/download/NiceProcessX64.bmp

    http://193.233.177.215/download/NiceProcessX32.bmp

    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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • PrivateLoader

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

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69f8a9ed6497c7e99fcdd02b919b3a3e.exe
    "C:\Users\Admin\AppData\Local\Temp\69f8a9ed6497c7e99fcdd02b919b3a3e.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1648-54-0x0000000076291000-0x0000000076293000-memory.dmp
    Filesize

    8KB

  • memory/1648-56-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-55-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-57-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-58-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-59-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-60-0x0000000077670000-0x00000000777F0000-memory.dmp
    Filesize

    1.5MB

  • memory/1648-61-0x0000000000D80000-0x000000000103F000-memory.dmp
    Filesize

    2.7MB

  • memory/1648-62-0x0000000077670000-0x00000000777F0000-memory.dmp
    Filesize

    1.5MB

  • memory/1648-63-0x0000000004140000-0x0000000004393000-memory.dmp
    Filesize

    2.3MB

  • memory/1648-64-0x0000000004140000-0x0000000004393000-memory.dmp
    Filesize

    2.3MB