Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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
  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2740
    • 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:856
      • 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:1212
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PRICE_REQUEST_QUOTATION.exe"
        3⤵
          PID:1532

    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\nsq7182.tmp\akepwc.dll
      MD5

      0560ba80e8afe7f5d83eb600602ab426

      SHA1

      a783f03bc76ee70833d61d69d854674f45d5a223

      SHA256

      19013d7428a659774231fd4b5213a463eeab58a0c347dadfaa95536bd89d3f13

      SHA512

      a034974dc569db8064b9bc5699e33b188c581e716862fed95708a1b2caaccaa6ae8ee4f4f23989c68ef838ea71271423501b6aea27a9c216af9db9745356b12c

    • memory/1212-115-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1212-116-0x000000000041D470-mapping.dmp
    • memory/1212-118-0x0000000000E50000-0x0000000000E61000-memory.dmp
      Filesize

      68KB

    • memory/1212-117-0x0000000000990000-0x0000000000CB0000-memory.dmp
      Filesize

      3.1MB

    • memory/1340-120-0x0000000000000000-mapping.dmp
    • memory/1340-122-0x0000000000A10000-0x0000000000E4F000-memory.dmp
      Filesize

      4.2MB

    • memory/1340-123-0x0000000000630000-0x0000000000659000-memory.dmp
      Filesize

      164KB

    • memory/1340-124-0x0000000004A60000-0x0000000004D80000-memory.dmp
      Filesize

      3.1MB

    • memory/1340-125-0x00000000048C0000-0x0000000004950000-memory.dmp
      Filesize

      576KB

    • memory/1532-121-0x0000000000000000-mapping.dmp
    • memory/2740-119-0x0000000007360000-0x00000000074AB000-memory.dmp
      Filesize

      1.3MB

    • memory/2740-126-0x0000000006880000-0x000000000698E000-memory.dmp
      Filesize

      1.1MB