Analysis

  • max time kernel
    163s
  • max time network
    171s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-09-2021 20:04

General

  • Target

    DOC.exe

  • Size

    480KB

  • MD5

    66fc712a2dc1321fa0fc6bdf8bcd82a5

  • SHA1

    7870ac22e3c8233430e0c5df62c72397f29e1294

  • SHA256

    b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca

  • SHA512

    d0c101943eb61750234a838e1c5b2571996c64c5f0800272656d74e79dd60e9737e3c5326978ff6dacdd32bde71b88b46e0b4b9e87cde7e09f1246bb3667e7d7

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\DOC.exe
      "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2784
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2752

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/632-116-0x0000000005840000-0x0000000005841000-memory.dmp
      Filesize

      4KB

    • memory/632-117-0x0000000005340000-0x0000000005341000-memory.dmp
      Filesize

      4KB

    • memory/632-118-0x0000000005340000-0x000000000583E000-memory.dmp
      Filesize

      5.0MB

    • memory/632-119-0x0000000005310000-0x0000000005311000-memory.dmp
      Filesize

      4KB

    • memory/632-120-0x00000000057B0000-0x00000000057B7000-memory.dmp
      Filesize

      28KB

    • memory/632-121-0x0000000009B10000-0x0000000009B11000-memory.dmp
      Filesize

      4KB

    • memory/632-122-0x00000000012D0000-0x0000000001332000-memory.dmp
      Filesize

      392KB

    • memory/632-123-0x0000000009AB0000-0x0000000009ADC000-memory.dmp
      Filesize

      176KB

    • memory/632-114-0x0000000000920000-0x0000000000921000-memory.dmp
      Filesize

      4KB

    • memory/2428-128-0x0000000005E10000-0x0000000005F22000-memory.dmp
      Filesize

      1.1MB

    • memory/2428-135-0x0000000005F30000-0x0000000006071000-memory.dmp
      Filesize

      1.3MB

    • memory/2752-130-0x0000000000000000-mapping.dmp
    • memory/2784-126-0x0000000001970000-0x0000000001C90000-memory.dmp
      Filesize

      3.1MB

    • memory/2784-127-0x0000000001880000-0x0000000001891000-memory.dmp
      Filesize

      68KB

    • memory/2784-125-0x000000000041D470-mapping.dmp
    • memory/2784-124-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/3832-129-0x0000000000000000-mapping.dmp
    • memory/3832-131-0x0000000001220000-0x000000000122B000-memory.dmp
      Filesize

      44KB

    • memory/3832-132-0x0000000000960000-0x0000000000989000-memory.dmp
      Filesize

      164KB

    • memory/3832-133-0x00000000033C0000-0x00000000036E0000-memory.dmp
      Filesize

      3.1MB

    • memory/3832-134-0x0000000001130000-0x00000000011C0000-memory.dmp
      Filesize

      576KB