Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-09-2021 11:41

General

  • Target

    nAIj8iSBKtENT6y.exe

  • Size

    411KB

  • MD5

    799febf0e89864960c7f98b546cea32c

  • SHA1

    2a16ca50e68593db49450672e54ec8a977239a02

  • SHA256

    39c5b29df15e13a18cbc4b77a44208aa927af8851555a4d220d8af0be7aeb235

  • SHA512

    f6f89a2c4c36b4ca961934cb55eec8dbedf15d1a05d77387d9259ddc436766b248865e83e70341c1403dff325185e0a0f4cf51021e682adef19080a7cad6129a

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe
      "C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:3816
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3436
      • C:\Windows\SysWOW64\cscript.exe
        "C:\Windows\SysWOW64\cscript.exe"
        2⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:1908

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/432-129-0x0000000000000000-mapping.dmp
      • memory/432-134-0x0000000004B60000-0x0000000004BF0000-memory.dmp
        Filesize

        576KB

      • memory/432-133-0x0000000004E10000-0x0000000005130000-memory.dmp
        Filesize

        3.1MB

      • memory/432-131-0x0000000000950000-0x0000000000979000-memory.dmp
        Filesize

        164KB

      • memory/432-130-0x0000000000D80000-0x0000000000DA7000-memory.dmp
        Filesize

        156KB

      • memory/1832-120-0x0000000005BF0000-0x0000000005BF7000-memory.dmp
        Filesize

        28KB

      • memory/1832-122-0x000000000A520000-0x000000000A580000-memory.dmp
        Filesize

        384KB

      • memory/1832-123-0x000000000CDD0000-0x000000000CDFB000-memory.dmp
        Filesize

        172KB

      • memory/1832-121-0x000000000A020000-0x000000000A021000-memory.dmp
        Filesize

        4KB

      • memory/1832-116-0x0000000005E00000-0x0000000005E01000-memory.dmp
        Filesize

        4KB

      • memory/1832-117-0x0000000005810000-0x0000000005811000-memory.dmp
        Filesize

        4KB

      • memory/1832-114-0x0000000000E30000-0x0000000000E31000-memory.dmp
        Filesize

        4KB

      • memory/1832-119-0x0000000005900000-0x0000000005DFE000-memory.dmp
        Filesize

        5.0MB

      • memory/1832-118-0x00000000058B0000-0x00000000058B1000-memory.dmp
        Filesize

        4KB

      • memory/1908-132-0x0000000000000000-mapping.dmp
      • memory/3052-135-0x0000000005740000-0x00000000058C6000-memory.dmp
        Filesize

        1.5MB

      • memory/3052-128-0x0000000006520000-0x0000000006630000-memory.dmp
        Filesize

        1.1MB

      • memory/3436-124-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/3436-126-0x0000000001870000-0x0000000001B90000-memory.dmp
        Filesize

        3.1MB

      • memory/3436-127-0x00000000012C0000-0x000000000140A000-memory.dmp
        Filesize

        1.3MB

      • memory/3436-125-0x000000000041D410-mapping.dmp