Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05-05-2021 15:10

General

  • Target

    5479c43c_by_Libranalysis.exe

  • Size

    759KB

  • MD5

    5479c43c28d4286d39041482778a9c82

  • SHA1

    4accc679c637a8ec24956db8990c4042cc402131

  • SHA256

    8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a

  • SHA512

    a1a8666f43468dcc5569a59f9c31beff715fe185885dd0ec6643b119e2ae533040644a960b7ae1dee08008d05f2ed07d3e3e745abdb8a9751a2f711191eea9dc

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.austinenglishtutor.com/ipio/

Decoy

fatiguemanager.co.uk

malignment.com

fashionashton.com

soawstservices.com

gardengarages.com

affirm.digital

savetheboxes.com

stepupjam.net

sassyfurbaby.com

rarecares.institute

hisarsteel.com

thespotifygrowthguide.com

111indianbend.com

kizilaykorkuevi.com

zeegostar.com

scuolateatroarsenale.com

dyaspaar.com

no1jt.com

gain2020live.com

dearhim.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\5479c43c_by_Libranalysis.exe
      "C:\Users\Admin\AppData\Local\Temp\5479c43c_by_Libranalysis.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\SysWOW64\mshta.exe
        C:\Windows\System32\mshta.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3048
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:2100

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/644-116-0x0000000002290000-0x00000000022AA000-memory.dmp
    Filesize

    104KB

  • memory/644-114-0x00000000020C0000-0x00000000020C1000-memory.dmp
    Filesize

    4KB

  • memory/2100-125-0x0000000000000000-mapping.dmp
  • memory/2100-129-0x0000000004E20000-0x0000000004EAF000-memory.dmp
    Filesize

    572KB

  • memory/2100-126-0x0000000000CE0000-0x0000000000CF9000-memory.dmp
    Filesize

    100KB

  • memory/2100-128-0x0000000005160000-0x0000000005480000-memory.dmp
    Filesize

    3.1MB

  • memory/2100-127-0x0000000002F20000-0x0000000002F49000-memory.dmp
    Filesize

    164KB

  • memory/2568-124-0x0000000006070000-0x00000000061D8000-memory.dmp
    Filesize

    1.4MB

  • memory/2568-130-0x0000000006970000-0x0000000006A6C000-memory.dmp
    Filesize

    1008KB

  • memory/3048-123-0x0000000000840000-0x0000000000850000-memory.dmp
    Filesize

    64KB

  • memory/3048-122-0x0000000002FF0000-0x0000000003310000-memory.dmp
    Filesize

    3.1MB

  • memory/3048-120-0x0000000000180000-0x0000000000181000-memory.dmp
    Filesize

    4KB

  • memory/3048-121-0x0000000010410000-0x0000000010439000-memory.dmp
    Filesize

    164KB

  • memory/3048-119-0x0000000000000000-mapping.dmp