Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-09-2021 23:41

General

  • Target

    arrival notice.exe

  • Size

    762KB

  • MD5

    4196c697fa8a52ecddad63bf5ac9e8f9

  • SHA1

    1179a7916f59fa2d88829a56f3f045e1cf32c418

  • SHA256

    cfdb27a9ff39bd1aa5a0a43fe6e272c269a311f5748d8a13b2e705f7d66f16bd

  • SHA512

    8c78d2a8276fd10c118732b194865fcd40615beb8ad47459e0ce5c67097d57d66c5764c0eaf8ebdbb7591b3ff03c26f0aa90d7dd7484b8f4709c9a79c607d5a0

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 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
      "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:776
      • C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
        "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
        3⤵
          PID:3988
      • C:\Windows\SysWOW64\msdt.exe
        "C:\Windows\SysWOW64\msdt.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
          3⤵
            PID:3040

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/776-121-0x0000000004BE0000-0x0000000004BE7000-memory.dmp
        Filesize

        28KB

      • memory/776-123-0x0000000007E50000-0x0000000007E7B000-memory.dmp
        Filesize

        172KB

      • memory/776-117-0x0000000004C30000-0x0000000004C31000-memory.dmp
        Filesize

        4KB

      • memory/776-118-0x0000000004B90000-0x0000000004C22000-memory.dmp
        Filesize

        584KB

      • memory/776-119-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
        Filesize

        4KB

      • memory/776-120-0x0000000004E70000-0x0000000004E71000-memory.dmp
        Filesize

        4KB

      • memory/776-116-0x00000000051F0000-0x00000000051F1000-memory.dmp
        Filesize

        4KB

      • memory/776-122-0x0000000005950000-0x00000000059B1000-memory.dmp
        Filesize

        388KB

      • memory/776-114-0x00000000001A0000-0x00000000001A1000-memory.dmp
        Filesize

        4KB

      • memory/3024-127-0x0000000004640000-0x0000000004960000-memory.dmp
        Filesize

        3.1MB

      • memory/3024-128-0x0000000000DF0000-0x0000000000E80000-memory.dmp
        Filesize

        576KB

      • memory/3040-126-0x0000000000000000-mapping.dmp
      • memory/3052-129-0x0000000003120000-0x00000000031C6000-memory.dmp
        Filesize

        664KB

      • memory/3988-124-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/3988-125-0x000000000041D470-mapping.dmp