Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-09-2021 05:56

General

  • Target

    PRICE_REQUEST_QUOTATION.exe

  • Size

    260KB

  • MD5

    85589170af713a03ca622f94429c634a

  • SHA1

    4e0b9dfd13dd6e4b85bca4352be0cec2be9024d7

  • SHA256

    dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7

  • SHA512

    1379d1dbed880c664d7314018e676970afd192a423e6144f3bac6b15e5f89fb4bc245adbe462046ccfb6692e0054be18b459bc2757e60d700c03758232682dd9

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rgoe

C2

http://www.nudesalon.digital/rgoe/

Decoy

iamstevekelsey.com

homesofchaparralcountryclub.com

voiceyupcom.com

searchengineeye.com

charsantosart.com

baila.madrid

yota.store

halloweenbaldhills.net

futurodr.com

centercodebase.com

666b20.xyz

4-6-2.com

gspotworld.com

rbb78.com

1kingbet.com

hzhongon.com

dossierinc.com

sustainablefoodfactory.com

golfsol.art

socialenterprisestudio.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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe
      "C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe
        "C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1488
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe"
        3⤵
        • Deletes itself
        PID:788

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\nsvAD20.tmp\akepwc.dll
    MD5

    0560ba80e8afe7f5d83eb600602ab426

    SHA1

    a783f03bc76ee70833d61d69d854674f45d5a223

    SHA256

    19013d7428a659774231fd4b5213a463eeab58a0c347dadfaa95536bd89d3f13

    SHA512

    a034974dc569db8064b9bc5699e33b188c581e716862fed95708a1b2caaccaa6ae8ee4f4f23989c68ef838ea71271423501b6aea27a9c216af9db9745356b12c

  • memory/788-65-0x0000000000000000-mapping.dmp
  • memory/1376-61-0x0000000004F90000-0x00000000050AD000-memory.dmp
    Filesize

    1.1MB

  • memory/1376-59-0x0000000004900000-0x0000000004A2F000-memory.dmp
    Filesize

    1.2MB

  • memory/1376-68-0x00000000068C0000-0x0000000006A00000-memory.dmp
    Filesize

    1.2MB

  • memory/1488-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1488-58-0x0000000000350000-0x0000000000361000-memory.dmp
    Filesize

    68KB

  • memory/1488-60-0x0000000000390000-0x00000000003A1000-memory.dmp
    Filesize

    68KB

  • memory/1488-56-0x000000000041D470-mapping.dmp
  • memory/1488-57-0x0000000000910000-0x0000000000C13000-memory.dmp
    Filesize

    3.0MB

  • memory/1544-53-0x0000000074B91000-0x0000000074B93000-memory.dmp
    Filesize

    8KB

  • memory/1716-62-0x0000000000000000-mapping.dmp
  • memory/1716-63-0x0000000000870000-0x0000000000875000-memory.dmp
    Filesize

    20KB

  • memory/1716-64-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-66-0x0000000001F50000-0x0000000002253000-memory.dmp
    Filesize

    3.0MB

  • memory/1716-67-0x0000000001D20000-0x0000000001DB0000-memory.dmp
    Filesize

    576KB