Analysis

  • max time kernel
    148s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • 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
  • Deletes itself 1 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1268
    • 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:1224
      • 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:1472
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
        3⤵
        • Deletes itself
        PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsoE35.tmp\skjesair.dll
    MD5

    f9099ad46c16a20b52f173f5806426bf

    SHA1

    b7543e7af6930e16520f41bc0c3e5fdd5f1ce45d

    SHA256

    e80f972bce5004dfe27ca8a8063f354be8b0b618119db1e706242d28217e02ca

    SHA512

    6d6c2aec061cdc3e34b7774e1a16971f246b79da659bc8140d0965130a54bf81f57ad50d56314b5b5f551eb1d24e15d2d6131e041665dc3ecb921af3a426cdc1

  • memory/584-65-0x0000000000110000-0x0000000000139000-memory.dmp
    Filesize

    164KB

  • memory/584-67-0x0000000001E10000-0x0000000001EA0000-memory.dmp
    Filesize

    576KB

  • memory/584-66-0x00000000021B0000-0x00000000024B3000-memory.dmp
    Filesize

    3.0MB

  • memory/584-62-0x0000000000000000-mapping.dmp
  • memory/584-64-0x0000000000600000-0x0000000000609000-memory.dmp
    Filesize

    36KB

  • memory/1224-54-0x0000000075871000-0x0000000075873000-memory.dmp
    Filesize

    8KB

  • memory/1268-68-0x0000000006550000-0x000000000661F000-memory.dmp
    Filesize

    828KB

  • memory/1268-61-0x0000000006CC0000-0x0000000006E36000-memory.dmp
    Filesize

    1.5MB

  • memory/1472-57-0x000000000041D450-mapping.dmp
  • memory/1472-60-0x0000000000350000-0x0000000000361000-memory.dmp
    Filesize

    68KB

  • memory/1472-59-0x0000000000910000-0x0000000000C13000-memory.dmp
    Filesize

    3.0MB

  • memory/1472-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1952-63-0x0000000000000000-mapping.dmp