Analysis

  • max time kernel
    144s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    13-07-2022 13:11

General

  • Target

    f24799f17a003ab371fd5b6835bee216d331a7560762899fa46fe62772e64dee.exe

  • Size

    5.9MB

  • MD5

    a918feb305100632b7a9044ff2d9f000

  • SHA1

    ccead101f37dd6f035e200f4dc631e50b99c32ab

  • SHA256

    f24799f17a003ab371fd5b6835bee216d331a7560762899fa46fe62772e64dee

  • SHA512

    278077023b873343f80b9b40764c9931a476596f23ad22acad0ce2fb5a39a5e7663cada047d900fead0604c006f314625b9f145052e082b467be393c69db4f08

Malware Config

Extracted

Family

privateloader

C2

http://212.193.30.45/proxies.txt

http://85.202.169.116/server.txt

pastebin.com/raw/A7dSG1te

http://wfsdragon.ru/api/setStats.php

85.202.169.116

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

http://sarfoods.com/index.php

http://212.193.30.29/server.txt

212.193.30.21

Attributes
  • payload_url

    http://193.233.185.125/download/NiceProcessX64.bmp

    http://193.233.185.125/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

    http://64.227.67.0/searchApp.exe

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.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • 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
  • Vidar Stealer 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 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.

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f24799f17a003ab371fd5b6835bee216d331a7560762899fa46fe62772e64dee.exe
    "C:\Users\Admin\AppData\Local\Temp\f24799f17a003ab371fd5b6835bee216d331a7560762899fa46fe62772e64dee.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
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\Pictures\Adobe Films\0l4EGA6DTjq_n0DegHckurLE.exe
      "C:\Users\Admin\Pictures\Adobe Films\0l4EGA6DTjq_n0DegHckurLE.exe"
      2⤵
      • Executes dropped EXE
      PID:1740
    • C:\Users\Admin\Pictures\Adobe Films\hjsAoOm8MEnGo6NQb2Fcs_9j.exe
      "C:\Users\Admin\Pictures\Adobe Films\hjsAoOm8MEnGo6NQb2Fcs_9j.exe"
      2⤵
        PID:1956
      • C:\Users\Admin\Pictures\Adobe Films\_1QSC7PUMLIKaCYUX7qRsRMm.exe
        "C:\Users\Admin\Pictures\Adobe Films\_1QSC7PUMLIKaCYUX7qRsRMm.exe"
        2⤵
        • Executes dropped EXE
        PID:1636
      • C:\Users\Admin\Pictures\Adobe Films\lWkIZzdFDs4MFOu8nPPDRblL.exe
        "C:\Users\Admin\Pictures\Adobe Films\lWkIZzdFDs4MFOu8nPPDRblL.exe"
        2⤵
        • Executes dropped EXE
        PID:240

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Pictures\Adobe Films\lWkIZzdFDs4MFOu8nPPDRblL.exe
      Filesize

      331KB

      MD5

      a71ad5ff34cc6dd00823586e1caad839

      SHA1

      bda4ab5de9fa68ff36277c2e9de3f6a80fc5a357

      SHA256

      b37eb4d899d082229d169a1cbd534e9995ab4f6f018cc1cd87f7712a3ccc2585

      SHA512

      c638cf33dd8ab127ca5019c9221807db3f992bba2987693a16aca62b30f8e0a130a58426294a4493a95b84ab22d8adbe6bb1c03fb51adc080f630f51477cb7f1

    • \Users\Admin\Pictures\Adobe Films\0l4EGA6DTjq_n0DegHckurLE.exe
      Filesize

      305KB

      MD5

      d2fb500f65885d36c8f634ddf572c654

      SHA1

      57211e51004a1093ae9207f9fdc1cceddcb9a5c2

      SHA256

      a999462a9afaaa2e80bf96f02739490242896251b591fb24905fadd7d84f4b53

      SHA512

      f38bc31715970a280cf54d5fc09d17b7e010abff0a864ae96c6e68a4728e5cf1716e4cd3252ca06d2180e23d8be2634c6723164a8a77f50b5f5badbcba88d27c

    • \Users\Admin\Pictures\Adobe Films\0l4EGA6DTjq_n0DegHckurLE.exe
      Filesize

      305KB

      MD5

      d2fb500f65885d36c8f634ddf572c654

      SHA1

      57211e51004a1093ae9207f9fdc1cceddcb9a5c2

      SHA256

      a999462a9afaaa2e80bf96f02739490242896251b591fb24905fadd7d84f4b53

      SHA512

      f38bc31715970a280cf54d5fc09d17b7e010abff0a864ae96c6e68a4728e5cf1716e4cd3252ca06d2180e23d8be2634c6723164a8a77f50b5f5badbcba88d27c

    • \Users\Admin\Pictures\Adobe Films\_1QSC7PUMLIKaCYUX7qRsRMm.exe
      Filesize

      385KB

      MD5

      45abb1bedf83daf1f2ebbac86e2fa151

      SHA1

      7d9ccba675478ab65707a28fd277a189450fc477

      SHA256

      611479c78035c912dd69e3cfdadbf74649bb1fce6241b7573cfb0c7a2fc2fb2f

      SHA512

      6bf1f7e0800a90666206206c026eadfc7f3d71764d088e2da9ca60bf5a63de92bd90515342e936d02060e1d5f7c92ddec8b0bcc85adfd8a8f4df29bd6f12c25c

    • \Users\Admin\Pictures\Adobe Films\hjsAoOm8MEnGo6NQb2Fcs_9j.exe
      Filesize

      1.9MB

      MD5

      dc5eed447d925a374197cd2fa1a49570

      SHA1

      5344e4f539edf6c130803b94f7d0f5b726b5fffc

      SHA256

      ab141a1df7bdb333b4c29d7c70a8dd944d604d219b6d3227a3c167e1560c50a6

      SHA512

      a8888247095008fcb20be52ce068e627ae265b8ba5eda0b05d55cff3ea62714a8b7a118e22eaec4cba93172ac49ac699e4e5505a3f056807ec254f2bee2ab589

    • \Users\Admin\Pictures\Adobe Films\lWkIZzdFDs4MFOu8nPPDRblL.exe
      Filesize

      331KB

      MD5

      a71ad5ff34cc6dd00823586e1caad839

      SHA1

      bda4ab5de9fa68ff36277c2e9de3f6a80fc5a357

      SHA256

      b37eb4d899d082229d169a1cbd534e9995ab4f6f018cc1cd87f7712a3ccc2585

      SHA512

      c638cf33dd8ab127ca5019c9221807db3f992bba2987693a16aca62b30f8e0a130a58426294a4493a95b84ab22d8adbe6bb1c03fb51adc080f630f51477cb7f1

    • \Users\Admin\Pictures\Adobe Films\lWkIZzdFDs4MFOu8nPPDRblL.exe
      Filesize

      331KB

      MD5

      a71ad5ff34cc6dd00823586e1caad839

      SHA1

      bda4ab5de9fa68ff36277c2e9de3f6a80fc5a357

      SHA256

      b37eb4d899d082229d169a1cbd534e9995ab4f6f018cc1cd87f7712a3ccc2585

      SHA512

      c638cf33dd8ab127ca5019c9221807db3f992bba2987693a16aca62b30f8e0a130a58426294a4493a95b84ab22d8adbe6bb1c03fb51adc080f630f51477cb7f1

    • memory/240-83-0x0000000000240000-0x000000000028D000-memory.dmp
      Filesize

      308KB

    • memory/240-82-0x000000000081B000-0x0000000000848000-memory.dmp
      Filesize

      180KB

    • memory/240-80-0x0000000000000000-mapping.dmp
    • memory/1312-66-0x00000000047A0000-0x0000000004A23000-memory.dmp
      Filesize

      2.5MB

    • memory/1312-59-0x0000000000250000-0x0000000000285000-memory.dmp
      Filesize

      212KB

    • memory/1312-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
      Filesize

      8KB

    • memory/1312-67-0x0000000008600000-0x00000000090BA000-memory.dmp
      Filesize

      10.7MB

    • memory/1312-64-0x0000000001440000-0x000000000145E000-memory.dmp
      Filesize

      120KB

    • memory/1312-63-0x00000000047A0000-0x0000000004A23000-memory.dmp
      Filesize

      2.5MB

    • memory/1312-55-0x0000000000400000-0x00000000012C6000-memory.dmp
      Filesize

      14.8MB

    • memory/1312-61-0x0000000000400000-0x00000000012C6000-memory.dmp
      Filesize

      14.8MB

    • memory/1312-56-0x0000000000400000-0x00000000012C6000-memory.dmp
      Filesize

      14.8MB

    • memory/1312-57-0x00000000778F0000-0x0000000077A70000-memory.dmp
      Filesize

      1.5MB

    • memory/1312-62-0x00000000778F0000-0x0000000077A70000-memory.dmp
      Filesize

      1.5MB

    • memory/1312-60-0x0000000000400000-0x00000000012C6000-memory.dmp
      Filesize

      14.8MB

    • memory/1312-58-0x0000000001440000-0x000000000145E000-memory.dmp
      Filesize

      120KB

    • memory/1312-65-0x0000000000400000-0x00000000012C6000-memory.dmp
      Filesize

      14.8MB

    • memory/1636-73-0x0000000000000000-mapping.dmp
    • memory/1740-70-0x0000000000000000-mapping.dmp
    • memory/1956-74-0x0000000000000000-mapping.dmp