Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 03:08

General

  • Target

    DHL_119040 receipt document,pdf.exe

  • Size

    376KB

  • MD5

    a26c06af19d765ddcb32a48cd6acb1eb

  • SHA1

    152dcab66baef093434bf69a0c3f9e78f7bbeb90

  • SHA256

    35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01

  • SHA512

    98945dbca44f5620c66efb7fc323e796e04040d0d19a1e5514843daa5c3ee6696739e9e19c6b38ff78ce3328db45d073cab471fabd591e4b962248b4d24422fb

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b65i

C2

http://www.onewebuy.net/b65i/

Decoy

leofighters.com

smartat2.xyz

encontrevariedades.com

jimwilliamstutoring.com

kanpaiecuador.com

accura-inv.com

xtzgjxzz.com

scentstrategies.com

high-clicks2.com

hadishgebray.com

woodlawnbailbonds.com

dmsolutionsco.com

rdvulm21.com

beachyweens.com

ishirmansingh.com

rimmasbracelets.com

kellibrat.com

roselmasm.com

datkamoney.info

fermers.club

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.

  • 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:3028
    • C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:420
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
        3⤵
          PID:1312

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nseDB7D.tmp\gjspvjmvb.dll
      MD5

      cb5ae97fd494cd241495179668d3a3d2

      SHA1

      33e6282a11c9140860710cd4a251e428e5cb75b8

      SHA256

      2e31c7a695a70e216180fefa04ff81c8ad783b72b8d5fe40f506e00ada784f6f

      SHA512

      83d265679fcb712cb8810d9b24a68c2d952cdb00656464b3c52a34a9bac48a62d2ed26d82ff0837946876bc1d992796376703a394da4c451cae671a043f32f44

    • memory/420-116-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/420-117-0x000000000041D3B0-mapping.dmp
    • memory/420-118-0x0000000000AC0000-0x0000000000DE0000-memory.dmp
      Filesize

      3.1MB

    • memory/420-120-0x0000000000AA0000-0x0000000000AB1000-memory.dmp
      Filesize

      68KB

    • memory/1288-122-0x0000000000000000-mapping.dmp
    • memory/1288-124-0x0000000000CB0000-0x0000000000CC9000-memory.dmp
      Filesize

      100KB

    • memory/1288-126-0x0000000004470000-0x0000000004790000-memory.dmp
      Filesize

      3.1MB

    • memory/1288-125-0x0000000000600000-0x0000000000629000-memory.dmp
      Filesize

      164KB

    • memory/1288-127-0x0000000004370000-0x0000000004400000-memory.dmp
      Filesize

      576KB

    • memory/1312-123-0x0000000000000000-mapping.dmp
    • memory/3028-121-0x0000000002A80000-0x0000000002B44000-memory.dmp
      Filesize

      784KB

    • memory/3028-128-0x00000000065B0000-0x0000000006701000-memory.dmp
      Filesize

      1.3MB