Analysis

  • max time kernel
    28s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2023 19:36

General

  • Target

    SecuriteInfo.com.Variant.Midie.120092.9152.21807.exe

  • Size

    4.3MB

  • MD5

    ef57e4ac11acae793ea9a930835b023c

  • SHA1

    de45e78ef2be73549f2bc4a75a5de12f7c6b5f55

  • SHA256

    2556187741452011a3b2a39cb9c8543e308f6d3d72fa7f5cc1112477551cce4d

  • SHA512

    755aa73330c196f79753a4c44082fc5a0ed96db6e6df0d0dcd6c356b2730fc8d34b8ad88002e8fb488308c249712f681a549178a06354100b2786174820eaf0e

  • SSDEEP

    98304:wfbNoeLSw4gqrMgho3uzHnkdTN7sAX8Tq:wxbefhrJho3uzHnkdT1sAX8Tq

Malware Config

Extracted

Family

privateloader

C2

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

http://sarfoods.com/index.php

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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Midie.120092.9152.21807.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Midie.120092.9152.21807.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1360

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1360-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp
    Filesize

    8KB

  • memory/1360-55-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-56-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-57-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-58-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-59-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-60-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-61-0x0000000077AE0000-0x0000000077C60000-memory.dmp
    Filesize

    1.5MB

  • memory/1360-62-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-63-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-64-0x0000000000400000-0x0000000000D75000-memory.dmp
    Filesize

    9.5MB

  • memory/1360-65-0x0000000077AE0000-0x0000000077C60000-memory.dmp
    Filesize

    1.5MB