Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    17-09-2021 08:02

General

  • Target

    DOC.exe

  • Size

    480KB

  • MD5

    66fc712a2dc1321fa0fc6bdf8bcd82a5

  • SHA1

    7870ac22e3c8233430e0c5df62c72397f29e1294

  • SHA256

    b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca

  • SHA512

    d0c101943eb61750234a838e1c5b2571996c64c5f0800272656d74e79dd60e9737e3c5326978ff6dacdd32bde71b88b46e0b4b9e87cde7e09f1246bb3667e7d7

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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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:804
      • 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:2552
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:3260

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/804-114-0x0000000000940000-0x0000000000941000-memory.dmp
      Filesize

      4KB

    • memory/804-116-0x00000000056C0000-0x00000000056C1000-memory.dmp
      Filesize

      4KB

    • memory/804-117-0x0000000005260000-0x0000000005261000-memory.dmp
      Filesize

      4KB

    • memory/804-118-0x00000000051C0000-0x00000000056BE000-memory.dmp
      Filesize

      5.0MB

    • memory/804-119-0x0000000005200000-0x0000000005201000-memory.dmp
      Filesize

      4KB

    • memory/804-120-0x00000000097C0000-0x00000000097C7000-memory.dmp
      Filesize

      28KB

    • memory/804-121-0x0000000009990000-0x0000000009991000-memory.dmp
      Filesize

      4KB

    • memory/804-122-0x0000000009ED0000-0x0000000009F32000-memory.dmp
      Filesize

      392KB

    • memory/804-123-0x000000000C780000-0x000000000C7AC000-memory.dmp
      Filesize

      176KB

    • memory/2552-125-0x000000000041D470-mapping.dmp
    • memory/2552-124-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/2552-127-0x0000000000A90000-0x0000000000AA1000-memory.dmp
      Filesize

      68KB

    • memory/2552-126-0x0000000000F60000-0x0000000001280000-memory.dmp
      Filesize

      3.1MB

    • memory/2692-129-0x0000000000000000-mapping.dmp
    • memory/2692-132-0x0000000000F20000-0x0000000000F49000-memory.dmp
      Filesize

      164KB

    • memory/2692-131-0x0000000001130000-0x0000000001157000-memory.dmp
      Filesize

      156KB

    • memory/2692-133-0x0000000005020000-0x0000000005340000-memory.dmp
      Filesize

      3.1MB

    • memory/2692-134-0x0000000004DE0000-0x0000000004E70000-memory.dmp
      Filesize

      576KB

    • memory/3044-128-0x0000000005800000-0x0000000005926000-memory.dmp
      Filesize

      1.1MB

    • memory/3044-135-0x0000000005930000-0x00000000059C4000-memory.dmp
      Filesize

      592KB

    • memory/3260-130-0x0000000000000000-mapping.dmp