Overview

overview

10

Static

static

Docs No-65...1].exe

windows7_x64

10

Docs No-65...1].exe

windows7_x64

10

Docs No-65...1].exe

windows10_x64

10

Docs No-65...1].exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-ja-20210920
  • submitted
    22-10-2021 05:38

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General

  • Target

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

  • Size

    973KB

  • MD5

    994a2d143c5619a11906c87244855858

  • SHA1

    dc6c06fb2c1acf3164db514878209ec6aec95cac

  • SHA256

    19b95be1b0c890804845c8c6e19cef972c89bfc8156201c3490f047ebfc42ed4

  • SHA512

    271531df66b27cdc1e4f53774c820c186218d6c17a19387a47530a7b1910960e0d517150f88082ea3b03c9abb85f2ccfa9c8ca2d5e7864844179145b32e9b607

Score
10/10
xloaderepnsloaderpersistencerat

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

  • Registers COM server for autorun 1 TTPs
    persistence
  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • Xloader Payload 4 IoCs
    rat
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies data under HKEY_USERS 23 IoCs
  • Modifies registry class 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2360
    • 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⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3864
      • C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe
        "C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1080
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.196.0921.0007\FileSyncConfig.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.196.0921.0007\FileSyncConfig.exe"
    1⤵
    • Modifies registry class
    PID:4852
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False
    1⤵
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1080-123-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

    Download
  • memory/1080-124-0x0000000002770000-0x0000000002781000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1080-118-0x000000000041D410-mapping.dmp
    Download
  • memory/1080-121-0x00000000009C0000-0x00000000009D1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1080-120-0x0000000000A00000-0x0000000000D20000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/1080-117-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

    Download
  • memory/2360-122-0x0000000005480000-0x00000000055E3000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/2360-125-0x0000000002D50000-0x0000000002E50000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/2360-131-0x0000000005600000-0x0000000005749000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/2372-126-0x0000000000000000-mapping.dmp
    Download
  • memory/2372-128-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

    Download
  • memory/2372-127-0x0000000000A50000-0x0000000000D4C000-memory.dmp
    Filesize

    3.0MB

    Download
  • memory/2372-129-0x00000000046A0000-0x00000000049C0000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2372-130-0x0000000004600000-0x0000000004690000-memory.dmp
    Filesize

    576KB

    Download
  • memory/3864-115-0x0000000000570000-0x000000000061E000-memory.dmp
    Filesize

    696KB

    Download