Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-04-2024 15:42

General

  • Target

    $PLUGINSDIR/yhjjbtf.dll

  • Size

    33KB

  • MD5

    2109a0431e1e8fbce8007bc6dbdc8d2d

  • SHA1

    f85d1cfa01ca893063af01510115bc279da84c2a

  • SHA256

    520857c7a5bfaeebf0f39504ae85d32b7e153774e93cb2be486f9a5d35b76d05

  • SHA512

    a190901c467b65b18370aa3dbec9bb994294042fb78965b6baaf92a31fdc316912679a23f81f76a0d30f51c9c9ccbabcd58b0d420a1c6060508de1f0c0d320fb

  • SSDEEP

    384:173rOmBpuRkCafMEILJBJn0GMZEhE7flHeKCB5qktAX6KiAEHpMUK6rbT7:171YiCeIdBMZT7f5eL5XfLzMUKcbX

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

kqna

Decoy

achyutlifesciences.com

anthemmg.com

netkopat.com

generationgirlnaturals.com

novatel-network.com

craftstockco.com

thevishantiverse.art

elkerfly.com

haerotechs.com

candypalette.com

gregdokes.com

e-commerce.company

gratitudeland.com

companyintelcloud.com

publicyazilim.com

xc6811.com

aracsozluk.com

janesgalant.quest

fraserstephendop.com

ryan.rentals

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 5 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\yhjjbtf.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\yhjjbtf.dll,#1
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\yhjjbtf.dll,#1
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2368
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\rundll32.exe"
        3⤵
          PID:2664

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1212-6-0x0000000003A20000-0x0000000003B20000-memory.dmp

      Filesize

      1024KB

    • memory/1212-21-0x0000000007410000-0x0000000007580000-memory.dmp

      Filesize

      1.4MB

    • memory/1212-12-0x0000000007410000-0x0000000007580000-memory.dmp

      Filesize

      1.4MB

    • memory/1212-8-0x0000000006790000-0x0000000006903000-memory.dmp

      Filesize

      1.4MB

    • memory/2368-11-0x00000000002B0000-0x00000000002C1000-memory.dmp

      Filesize

      68KB

    • memory/2368-3-0x00000000020E0000-0x00000000023E3000-memory.dmp

      Filesize

      3.0MB

    • memory/2368-7-0x0000000000270000-0x0000000000281000-memory.dmp

      Filesize

      68KB

    • memory/2368-5-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2368-1-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2368-10-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2600-16-0x00000000007E0000-0x0000000000AE3000-memory.dmp

      Filesize

      3.0MB

    • memory/2600-13-0x00000000007D0000-0x00000000007D6000-memory.dmp

      Filesize

      24KB

    • memory/2600-14-0x00000000007D0000-0x00000000007D6000-memory.dmp

      Filesize

      24KB

    • memory/2600-15-0x0000000000080000-0x00000000000A9000-memory.dmp

      Filesize

      164KB

    • memory/2600-17-0x0000000000080000-0x00000000000A9000-memory.dmp

      Filesize

      164KB

    • memory/2600-19-0x0000000000530000-0x00000000005C0000-memory.dmp

      Filesize

      576KB

    • memory/2940-2-0x0000000010000000-0x000000001000B000-memory.dmp

      Filesize

      44KB

    • memory/2940-0-0x0000000010000000-0x000000001000B000-memory.dmp

      Filesize

      44KB