Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 08:08

General

  • Target

    1.exe

  • Size

    416KB

  • MD5

    1a3bcd7f400b0d7a37166c1c5af7f886

  • SHA1

    a654cdfc29951ac2e77af3fbbbd7160b5205c8f9

  • SHA256

    fe63755f7b7c30e933cb3897136a75a7d1903ca044a04ef9bd91d426596f279d

  • SHA512

    47974116e9b5b0cc6407fe7c651619b6fef5af7df0190d3b4e5c906a1520ed66ae7e4e1af6e578bf93af9dbd3625845678fd834aea15db9082dad2abbd77f69f

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

iaop

C2

http://www.georgeinnhatherleigh.com/iaop/

Decoy

oosakichi.com

group1beadles.com

navegadorexclusivo.digital

awefca.xyz

strakerwilliams.com

stone-img.com

radialodge.com

tequesquitengo.net

humanegardens.com

rubberyporqjp.xyz

farazkhak.com

gfsexpornvideos.com

stealth-carrier.com

hemtpi.xyz

tygcj.com

agileiance.com

ioan316.com

kitchendesigns.xyz

shannacarolphotography.com

oheytech88.net

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:2648
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Users\Admin\AppData\Local\Temp\1.exe
        "C:\Users\Admin\AppData\Local\Temp\1.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3816
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\1.exe"
        3⤵
          PID:376

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsmA1A1.tmp\wvhivcwcy.dll
      MD5

      5d0d2589c6c859b43bb0e6c6b88fa767

      SHA1

      4085e250109fefddf1a35b3fb3fadc66714effda

      SHA256

      6de76b65e1561c0897a3261b9fe55ac75ef4d1e2456a302a9257dc38dcb81d1e

      SHA512

      8ef33f865ed19fd6779e7520590bbe1aa864cc5f7e3222f314f6953abcbc7537aaf2397f0b91a720db3e220cea1c3da15ec453ea1d5bb82a7d783bf5853b68af

    • memory/376-125-0x0000000000000000-mapping.dmp
    • memory/460-122-0x0000000000000000-mapping.dmp
    • memory/460-123-0x0000000000E60000-0x0000000000E6B000-memory.dmp
      Filesize

      44KB

    • memory/460-124-0x0000000002F30000-0x0000000002F59000-memory.dmp
      Filesize

      164KB

    • memory/460-126-0x00000000038A0000-0x0000000003BC0000-memory.dmp
      Filesize

      3.1MB

    • memory/460-127-0x0000000003700000-0x0000000003790000-memory.dmp
      Filesize

      576KB

    • memory/2648-121-0x0000000005400000-0x0000000005526000-memory.dmp
      Filesize

      1.1MB

    • memory/2648-128-0x0000000005530000-0x0000000005640000-memory.dmp
      Filesize

      1.1MB

    • memory/3816-120-0x00000000004C0000-0x000000000056E000-memory.dmp
      Filesize

      696KB

    • memory/3816-119-0x0000000000A90000-0x0000000000DB0000-memory.dmp
      Filesize

      3.1MB

    • memory/3816-117-0x000000000041D4E0-mapping.dmp
    • memory/3816-116-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB