Analysis

  • max time kernel
    116s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 21:16

General

  • Target

    $PLUGINSDIR/zntsolrgxs.dll

  • Size

    38KB

  • MD5

    fe76b0ef249aebd98f82d6437721c047

  • SHA1

    b1d40595e05da9c6f8627885b36177d4ecd54f21

  • SHA256

    39724fa50de7a8937dec84a3f00fe23c9dea895d312bdce8133db18f15ee1a81

  • SHA512

    abff3bc26f23c3c864bca8bb4ef1191278bb88bf5d604db949a822fc98525bcecdc21acceffbca1aae5557c8a13e9e15092837bc1c16b3ec2d03c6b3fc8fd725

  • SSDEEP

    384:429M1kCo19eJhv2BqFKrtR1836QF0q5knzxRCT+7BoY3Vq5b1520IVXOFCfl:4rQ19eJhDFKJ7arF0gkpoY3w5baVMA

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

d6pu

Decoy

ifixcreditatl.com

productgeekout.com

electricvehicle-insurance.com

kuiper.business

cloudenglabs.com

gorbepari.com

collecthappy.com

amykrussell.store

clubhousebusinesscourse.com

aplussinifiklima.com

slewis.design

atticwitt.com

galenota.com

griphook.xyz

gsjbd1.club

bootystrapfitness.com

emflawrhks.com

alternativedata.investments

eyehealthtnpasumo3.xyz

naturanzaec.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader family
  • Xloader payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: MapViewOfSection 5 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:1216
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
          4⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2108
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\rundll32.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-7-0x00000000068E0000-0x00000000069C8000-memory.dmp

    Filesize

    928KB

  • memory/1216-11-0x00000000068E0000-0x00000000069C8000-memory.dmp

    Filesize

    928KB

  • memory/2108-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2108-2-0x0000000002020000-0x0000000002323000-memory.dmp

    Filesize

    3.0MB

  • memory/2108-5-0x0000000000170000-0x0000000000181000-memory.dmp

    Filesize

    68KB

  • memory/2108-4-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2176-8-0x0000000000B60000-0x0000000000B7B000-memory.dmp

    Filesize

    108KB

  • memory/2176-9-0x0000000000B60000-0x0000000000B7B000-memory.dmp

    Filesize

    108KB

  • memory/2176-10-0x00000000000C0000-0x00000000000E9000-memory.dmp

    Filesize

    164KB

  • memory/2184-0-0x0000000010009000-0x000000001000B000-memory.dmp

    Filesize

    8KB