Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 20:42

General

  • Target

    Ejima.exe

  • Size

    564KB

  • MD5

    e55a15226b4a4eceb0842404d977666a

  • SHA1

    938203976b1cca4a4c93c7f96fdebf38af6db078

  • SHA256

    f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb

  • SHA512

    63b02d2a066a776fffa0a5c413ba62e7c55e9f0e4c5b8de498844a6151dea02875653c437f6ea2cde5bc166dcb8ba4ae3d4c6822a703ceec46ecc0b832c74ead

  • SSDEEP

    6144:bBlL/RnnQQdz69b2ArXwgqAVT2g4u5rbiDhk1OtMzbOTOX:txI/XwiVTA+1OqvOT2

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

eo5u

Decoy

nottooshabbyfurniture.com

replacementmind.com

monica-beauty.com

justicehabit.com

clicypunto.com

luxurylandlifestyle.com

luxuryteashop.online

eternalptc.com

salthooker.com

photonbet.com

instipe.com

leadfolia.com

haogu-consulting.com

activedevon.xyz

bonijsnv.com

1worldtraining.com

skycima.com

angelkov.com

zcyr365.com

ourcloudbox.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader family
  • Xloader payload 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\Ejima.exe
      "C:\Users\Admin\AppData\Local\Temp\Ejima.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Users\Admin\AppData\Local\Temp\Ejima.exe
        "C:\Users\Admin\AppData\Local\Temp\Ejima.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2932
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Ejima.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nstE966.tmp\System.dll

    Filesize

    10KB

    MD5

    56a321bd011112ec5d8a32b2f6fd3231

    SHA1

    df20e3a35a1636de64df5290ae5e4e7572447f78

    SHA256

    bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

    SHA512

    5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

  • memory/1200-14-0x0000000004E80000-0x0000000004F2B000-memory.dmp

    Filesize

    684KB

  • memory/1200-20-0x0000000004E80000-0x0000000004F2B000-memory.dmp

    Filesize

    684KB

  • memory/2932-11-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2932-13-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2936-17-0x0000000000AE0000-0x0000000000AF8000-memory.dmp

    Filesize

    96KB

  • memory/2936-18-0x0000000000AE0000-0x0000000000AF8000-memory.dmp

    Filesize

    96KB

  • memory/2936-19-0x00000000000C0000-0x00000000000E8000-memory.dmp

    Filesize

    160KB