Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-09-2021 12:14

General

  • Target

    SHIPPING DOCUMENTS.exe

  • Size

    457KB

  • MD5

    50d046de51441ed6d03da1662cecc772

  • SHA1

    b1be2f4383e4fece502efcdf1494c056ce5f7b10

  • SHA256

    5a3b0b3dfa0c258ad5d6e510d14b3b7ab8b16b49b9024669a4102d55de4e74ae

  • SHA512

    b018d6941e6209a36a6ce07a84a90f96c59bbf4de4bfea126f215160bd10404c1ab88e00939306795c8b99a8a32101cc8cd2e9566a537580b7493e777df9f8cc

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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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 SendNotifyMessage
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
        "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:404
    • 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:1132
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
        3⤵
          PID:2532

    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/404-125-0x000000000041D470-mapping.dmp
    • memory/404-127-0x00000000013E0000-0x00000000013F1000-memory.dmp
      Filesize

      68KB

    • memory/404-126-0x0000000001450000-0x0000000001770000-memory.dmp
      Filesize

      3.1MB

    • memory/404-124-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1132-130-0x0000000000B00000-0x0000000000B0B000-memory.dmp
      Filesize

      44KB

    • memory/1132-129-0x0000000000000000-mapping.dmp
    • memory/1132-134-0x0000000002FE0000-0x0000000003070000-memory.dmp
      Filesize

      576KB

    • memory/1132-133-0x0000000002B70000-0x0000000002CBA000-memory.dmp
      Filesize

      1.3MB

    • memory/1132-131-0x0000000000AD0000-0x0000000000AF9000-memory.dmp
      Filesize

      164KB

    • memory/2532-132-0x0000000000000000-mapping.dmp
    • memory/3016-128-0x0000000006AA0000-0x0000000006C1A000-memory.dmp
      Filesize

      1.5MB

    • memory/3016-135-0x0000000006D20000-0x0000000006E4D000-memory.dmp
      Filesize

      1.2MB

    • memory/4060-117-0x0000000004B80000-0x0000000004B81000-memory.dmp
      Filesize

      4KB

    • memory/4060-116-0x0000000005130000-0x0000000005131000-memory.dmp
      Filesize

      4KB

    • memory/4060-120-0x0000000004E00000-0x0000000004E07000-memory.dmp
      Filesize

      28KB

    • memory/4060-118-0x0000000004B40000-0x0000000004B41000-memory.dmp
      Filesize

      4KB

    • memory/4060-114-0x0000000000150000-0x0000000000151000-memory.dmp
      Filesize

      4KB

    • memory/4060-119-0x0000000004C30000-0x000000000512E000-memory.dmp
      Filesize

      5.0MB

    • memory/4060-123-0x00000000093A0000-0x00000000093CB000-memory.dmp
      Filesize

      172KB

    • memory/4060-122-0x0000000009850000-0x00000000098B0000-memory.dmp
      Filesize

      384KB

    • memory/4060-121-0x00000000093D0000-0x00000000093D1000-memory.dmp
      Filesize

      4KB