Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 05:44

General

  • Target

    Docs No-65224XXX [ORDER-2021].exe

  • Size

    973KB

  • MD5

    994a2d143c5619a11906c87244855858

  • SHA1

    dc6c06fb2c1acf3164db514878209ec6aec95cac

  • SHA256

    19b95be1b0c890804845c8c6e19cef972c89bfc8156201c3490f047ebfc42ed4

  • SHA512

    271531df66b27cdc1e4f53774c820c186218d6c17a19387a47530a7b1910960e0d517150f88082ea3b03c9abb85f2ccfa9c8ca2d5e7864844179145b32e9b607

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

epns

C2

http://www.lnvietnam.online/epns/

Decoy

mmfaccao.com

blttsperma.quest

946abe.net

indispensablehands.com

jkformationfrance.com

phonerepaire.com

lienquan-trian.com

youkuti.com

empowermindbodystudios.com

seunicapf.com

fk-link.xyz

kunai.tech

difficultbutdoablebrand.com

ejworkspace.com

teracorp.biz

thekids.today

quintaalentejana.com

annaviruksham.com

jshengrong.com

nsmetalmakina.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe
    "C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe
      "C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:808
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1796

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/808-63-0x0000000000460000-0x0000000000471000-memory.dmp
    Filesize

    68KB

  • memory/808-66-0x00000000022B0000-0x00000000022C1000-memory.dmp
    Filesize

    68KB

  • memory/808-65-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/808-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/808-59-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/808-60-0x000000000041D410-mapping.dmp
  • memory/808-62-0x0000000000730000-0x0000000000A33000-memory.dmp
    Filesize

    3.0MB

  • memory/1304-64-0x0000000007570000-0x00000000076F5000-memory.dmp
    Filesize

    1.5MB

  • memory/1304-67-0x00000000062F0000-0x000000000640D000-memory.dmp
    Filesize

    1.1MB

  • memory/1304-73-0x0000000005DC0000-0x0000000005E6F000-memory.dmp
    Filesize

    700KB

  • memory/1608-55-0x0000000000300000-0x0000000000301000-memory.dmp
    Filesize

    4KB

  • memory/1608-57-0x0000000075B71000-0x0000000075B73000-memory.dmp
    Filesize

    8KB

  • memory/1608-56-0x0000000000371000-0x0000000000385000-memory.dmp
    Filesize

    80KB

  • memory/1796-68-0x0000000000000000-mapping.dmp
  • memory/1796-69-0x00000000005B0000-0x00000000005D2000-memory.dmp
    Filesize

    136KB

  • memory/1796-70-0x00000000000B0000-0x00000000000D9000-memory.dmp
    Filesize

    164KB

  • memory/1796-71-0x0000000002000000-0x0000000002303000-memory.dmp
    Filesize

    3.0MB

  • memory/1796-72-0x0000000001F00000-0x0000000001F90000-memory.dmp
    Filesize

    576KB