Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 13:40

General

  • Target

    REQUEST FOR QUOTATION.exe

  • Size

    254KB

  • MD5

    cc19c69f756ab25010c68a64b03f2eee

  • SHA1

    48e28f2fcb7a13efa879b99b14ba52571b6e5224

  • SHA256

    ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e

  • SHA512

    6a0caa9934e2c4366e312be5b6ce60e0d3ffb715ee6d97eaf13dc4cd485d305e2972868624e4460b5076ff0eec1a94ba20199f2502ab290a584b0705ff12d762

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

epz2

C2

http://www.pofungrealty.com/epz2/

Decoy

moslemco.com

besrbee.com

in-teh.com

fofomej.xyz

partner2form.com

codigocentro.com

thgn29.xyz

behindwp.com

oliviatevents.com

jammineugene.com

colobohieran.quest

freidenfelt.com

ribbitathleticwear.com

dreamlylife.com

hotelcxn.com

preciosaglass.com

lawaves.net

thatsnotmydriveway.com

northportbusinesscenter.com

dayinamman.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
      "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
        "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4536
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:4508
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\SysWOW64\cmd.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
          3⤵
            PID:4496

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \Users\Admin\AppData\Local\Temp\nsuF629.tmp\skjesair.dll
        MD5

        f9099ad46c16a20b52f173f5806426bf

        SHA1

        b7543e7af6930e16520f41bc0c3e5fdd5f1ce45d

        SHA256

        e80f972bce5004dfe27ca8a8063f354be8b0b618119db1e706242d28217e02ca

        SHA512

        6d6c2aec061cdc3e34b7774e1a16971f246b79da659bc8140d0965130a54bf81f57ad50d56314b5b5f551eb1d24e15d2d6131e041665dc3ecb921af3a426cdc1

      • memory/2672-121-0x00000000058D0000-0x0000000005A25000-memory.dmp
        Filesize

        1.3MB

      • memory/2672-128-0x00000000032C0000-0x0000000003375000-memory.dmp
        Filesize

        724KB

      • memory/4496-126-0x0000000000000000-mapping.dmp
      • memory/4536-116-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/4536-117-0x000000000041D450-mapping.dmp
      • memory/4536-119-0x0000000000A30000-0x0000000000D50000-memory.dmp
        Filesize

        3.1MB

      • memory/4536-120-0x00000000009F0000-0x0000000000A01000-memory.dmp
        Filesize

        68KB

      • memory/4568-122-0x0000000000000000-mapping.dmp
      • memory/4568-125-0x0000000000C40000-0x0000000000F60000-memory.dmp
        Filesize

        3.1MB

      • memory/4568-123-0x0000000001200000-0x0000000001259000-memory.dmp
        Filesize

        356KB

      • memory/4568-127-0x0000000000B10000-0x0000000000BA0000-memory.dmp
        Filesize

        576KB

      • memory/4568-124-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB