Analysis

  • max time kernel
    136s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2024 22:05

General

  • Target

    setup_installer.exe

  • Size

    4.7MB

  • MD5

    2b5da84c260d3dc1fda90ddd388c251b

  • SHA1

    cc62fe4eef6bdb92c2ca09cf2e0bb312d8f23cd2

  • SHA256

    9e50fb11db3f1587ca566759703d32a4bbf6c256cec8d4f985c8216bb92662d3

  • SHA512

    9276aeffdf3303424248161479c4c8a667dc70791ce7fac62d4aebc601f1e37193e387d03b67f8c551bf61dff954821332c883d9e8721481e3151e0788bf9232

  • SSDEEP

    98304:xkCvLUBsghEwhswXXzb44SyCX/27zkbq3pWvtpQX47lSZoKdl6OMd:x5LUCgSw7zb4T+30lg6l8lu

Malware Config

Extracted

Family

privateloader

C2

http://37.0.10.214/proxies.txt

http://37.0.10.244/server.txt

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

37.0.10.237

Extracted

Family

nullmixer

C2

http://hsiens.xyz/

Signatures

  • NullMixer

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

  • Nullmixer family
  • PrivateLoader

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

  • Privateloader family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3488
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon144a47e6b295eb.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon14b1eaffcc.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1872
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon14c21734eb1d.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon1451045361d3.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4736
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon14b3500f9373.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon14eea1f8fc05be.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4836
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon144b2be4d993.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon1499fd22e9d2.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1048
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c Mon14674fd3060.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 564
        3⤵
        • Program crash
        PID:3316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 3696
    1⤵
      PID:1356

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon144a47e6b295eb.exe

      Filesize

      56KB

      MD5

      c0d18a829910babf695b4fdaea21a047

      SHA1

      236a19746fe1a1063ebe077c8a0553566f92ef0f

      SHA256

      78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98

      SHA512

      cca06a032d8232c0046c6160f47b8792370745b47885c2fa75308abc3df76dcc5965858b004c1aad05b8cd8fbb9a359077be1b97ec087a05d740145030675823

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon144b2be4d993.exe

      Filesize

      156KB

      MD5

      cda12ae37191467d0a7d151664ed74aa

      SHA1

      2625b2e142c848092aa4a51584143ab7ed7d33d2

      SHA256

      1e07bb767e9979d4afa4f8d69b68e33dd7c1a43f6863096a2b091047a10cdc2e

      SHA512

      77c4429e22754e50828d9ec344cd63780acd31c350ef16ef69e2a396114df10e7c43d791440faee90e7f80be73e845ab579fd7b38efbd12f5de11bbc906f1c1d

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon1451045361d3.exe

      Filesize

      609KB

      MD5

      3b2ca1aae0f3a277efde19ed66785e07

      SHA1

      edfd0bb11c0baec2475149259c8a88a61a669de9

      SHA256

      c65369fd8f5f8a6bcee8325879e912f7f5e5f37e40281077a4902668458887b1

      SHA512

      191aa807ec2c9a663eef6439084fcc68cdba245d9924773d65f42286af1df31238931425de1c18a4b643c7cd9ac4e98e638994630af440b7a1556c1497c8bb25

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon14674fd3060.exe

      Filesize

      8KB

      MD5

      408f2c9252ad66429a8d5401f1833db3

      SHA1

      3829d2d03a728ecd59b38cc189525220a60c05db

      SHA256

      890db580fac738971bc7c714735ff6f1f2ee31edccd7881044da3e98452af664

      SHA512

      d4c89dfd928023b9f4380808b27e032342d2a85963b95bbed3191cc03b455dbc6f5ffecf29828a53b1d9011b3881f1cda9d15d269a2cbcbd4be5c993bcd9643b

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon1499fd22e9d2.exe

      Filesize

      1.3MB

      MD5

      12b8842dded9134ad0cae031c4f06530

      SHA1

      c0ecd0ac8cf3e4851661f62fe283ecec0e6ca25e

      SHA256

      abd87ec324df8d74245e1671f21e832b563eb8dc3c13b1688a9e85a2f809fe17

      SHA512

      967d70105549641beaa3283c42143aac22e016c911f99ab1c7ef5b4eff2577790fc679a74af6d2df14e87c278762e2c39c96bbdeabeaa1b62fb9072f0baa1825

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon14b1eaffcc.exe

      Filesize

      273KB

      MD5

      742fbfe1027ba9a490c1b41716b9a09b

      SHA1

      31257a6c9e52128368c615ee05a6ffe99536c565

      SHA256

      1108105d3a999595c317b6d1ea8b997b25aef1cb0f71c95e5c5c13564f4f309a

      SHA512

      b4d1433e0b73a25340fdbf5af69f09ced3f371862f077898904bdf530f50f6d7b9b8bfc58b8c0d63e5c443ab5602ef1cb8d332f4cee3527c8db8acf322f5116a

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon14b3500f9373.exe

      Filesize

      248KB

      MD5

      d23c06e25b4bd295e821274472263572

      SHA1

      9ad295ec3853dc465ae77f9479f8c4f76e2748b8

      SHA256

      f02c1351a8b3dc296cf815bb4cd2bcc2d25b3b9a258ab2ad95e8be3d9602322c

      SHA512

      122b0ef44682f83651d81df622bbff5ad9fa0f5bbd6b925e35add9568825c0316c0f9921dac21cf92cb44658fc854f7829c01ae3b84aa0745929f8ef5e6ae1ae

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon14c21734eb1d.exe

      Filesize

      900KB

      MD5

      0a0d22f1c9179a67d04166de0db02dbb

      SHA1

      106e55bd898b5574f9bd33dac9f3c0b95cecd90d

      SHA256

      a59457fbfaf3d1b2e17463d0ffd50680313b1905aff69f13694cfc3fffd5a4ac

      SHA512

      8abf8dc0da25c0fdbaa1ca39db057db80b9a135728fed9cd0f45b0f06d5652cee8d309b92e7cb953c0c4e8b38ffa2427c33f4865f1eb985a621316f9eb187b8b

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\Mon14eea1f8fc05be.exe

      Filesize

      1.5MB

      MD5

      df80b76857b74ae1b2ada8efb2a730ee

      SHA1

      5653be57533c6eb058fed4963a25a676488ef832

      SHA256

      5545c43eb14b0519ab997673efa379343f98d2b6b1578d9fdeb369234789f9dd

      SHA512

      060b04536003ce4a91e5847d487701eed7e093408e427198be552f0af37aee498929586f3a0110c78173873a28d95c6c0a4cdd01c7218274f5849a4730f9efdd

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\libcurl.dll

      Filesize

      218KB

      MD5

      d09be1f47fd6b827c81a4812b4f7296f

      SHA1

      028ae3596c0790e6d7f9f2f3c8e9591527d267f7

      SHA256

      0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

      SHA512

      857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\libcurlpp.dll

      Filesize

      54KB

      MD5

      e6e578373c2e416289a8da55f1dc5e8e

      SHA1

      b601a229b66ec3d19c2369b36216c6f6eb1c063e

      SHA256

      43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

      SHA512

      9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\libgcc_s_dw2-1.dll

      Filesize

      113KB

      MD5

      9aec524b616618b0d3d00b27b6f51da1

      SHA1

      64264300801a353db324d11738ffed876550e1d3

      SHA256

      59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

      SHA512

      0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\libstdc++-6.dll

      Filesize

      647KB

      MD5

      5e279950775baae5fea04d2cc4526bcc

      SHA1

      8aef1e10031c3629512c43dd8b0b5d9060878453

      SHA256

      97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

      SHA512

      666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\libwinpthread-1.dll

      Filesize

      69KB

      MD5

      1e0d62c34ff2e649ebc5c372065732ee

      SHA1

      fcfaa36ba456159b26140a43e80fbd7e9d9af2de

      SHA256

      509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

      SHA512

      3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

    • C:\Users\Admin\AppData\Local\Temp\7zS870F8ED7\setup_install.exe

      Filesize

      2.1MB

      MD5

      e739716a4b939b405c5d3290644ff267

      SHA1

      5c7cd9bbfdca0a8e095c84746251523d0755d01f

      SHA256

      3254f3347ae275bc216789cb4840fddeb241538e097219d25d7e63a54ad3e4c2

      SHA512

      9186534e864d8ab1cbe01602f343a8beb60556fd5f44888da78e82d3949a9a76d3dc84d8b899850ae00ec1cddef0429c7924d3c042e013e53814e2a782f1fd7f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pm4t0ngm.hyy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3488-99-0x0000000006940000-0x000000000695E000-memory.dmp

      Filesize

      120KB

    • memory/3488-113-0x0000000007920000-0x00000000079C3000-memory.dmp

      Filesize

      652KB

    • memory/3488-122-0x0000000007F90000-0x0000000007F98000-memory.dmp

      Filesize

      32KB

    • memory/3488-121-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

      Filesize

      104KB

    • memory/3488-120-0x0000000007EB0000-0x0000000007EC4000-memory.dmp

      Filesize

      80KB

    • memory/3488-119-0x0000000007EA0000-0x0000000007EAE000-memory.dmp

      Filesize

      56KB

    • memory/3488-118-0x0000000007E70000-0x0000000007E81000-memory.dmp

      Filesize

      68KB

    • memory/3488-117-0x0000000007EE0000-0x0000000007F76000-memory.dmp

      Filesize

      600KB

    • memory/3488-116-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

      Filesize

      40KB

    • memory/3488-115-0x0000000007C70000-0x0000000007C8A000-memory.dmp

      Filesize

      104KB

    • memory/3488-114-0x00000000082B0000-0x000000000892A000-memory.dmp

      Filesize

      6.5MB

    • memory/3488-112-0x0000000006F40000-0x0000000006F5E000-memory.dmp

      Filesize

      120KB

    • memory/3488-102-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

      Filesize

      304KB

    • memory/3488-101-0x0000000006F00000-0x0000000006F32000-memory.dmp

      Filesize

      200KB

    • memory/3488-100-0x00000000069E0000-0x0000000006A2C000-memory.dmp

      Filesize

      304KB

    • memory/3488-98-0x0000000006330000-0x0000000006684000-memory.dmp

      Filesize

      3.3MB

    • memory/3488-87-0x0000000006250000-0x00000000062B6000-memory.dmp

      Filesize

      408KB

    • memory/3488-88-0x00000000062C0000-0x0000000006326000-memory.dmp

      Filesize

      408KB

    • memory/3488-86-0x0000000005A60000-0x0000000005A82000-memory.dmp

      Filesize

      136KB

    • memory/3488-84-0x0000000005360000-0x0000000005396000-memory.dmp

      Filesize

      216KB

    • memory/3488-85-0x0000000005AB0000-0x00000000060D8000-memory.dmp

      Filesize

      6.2MB

    • memory/3696-63-0x000000006B280000-0x000000006B2A6000-memory.dmp

      Filesize

      152KB

    • memory/3696-47-0x000000006B280000-0x000000006B2A6000-memory.dmp

      Filesize

      152KB

    • memory/3696-55-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3696-53-0x0000000064941000-0x000000006494F000-memory.dmp

      Filesize

      56KB

    • memory/3696-56-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3696-54-0x0000000064940000-0x0000000064959000-memory.dmp

      Filesize

      100KB

    • memory/3696-73-0x0000000000400000-0x000000000051B000-memory.dmp

      Filesize

      1.1MB

    • memory/3696-59-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB

    • memory/3696-58-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB

    • memory/3696-60-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB

    • memory/3696-80-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3696-77-0x000000006EB40000-0x000000006EB63000-memory.dmp

      Filesize

      140KB

    • memory/3696-79-0x000000006B280000-0x000000006B2A6000-memory.dmp

      Filesize

      152KB

    • memory/3696-57-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3696-52-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB

    • memory/3696-61-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB

    • memory/3696-62-0x000000006B280000-0x000000006B2A6000-memory.dmp

      Filesize

      152KB

    • memory/3696-82-0x0000000064940000-0x0000000064959000-memory.dmp

      Filesize

      100KB

    • memory/3696-46-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3696-81-0x000000006FE40000-0x000000006FFC6000-memory.dmp

      Filesize

      1.5MB