Resubmissions

24-09-2021 12:38

210924-pt7gfshae9 10

10-09-2021 09:24

210910-lc3kdschfl 10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    10-09-2021 09:24

General

  • Target

    ledger.exe

  • Size

    746KB

  • MD5

    bb7bbc40aef8439092e6345d3428c975

  • SHA1

    9bf46b95ff700e57bc0e38d5133577bfad260ea2

  • SHA256

    b194903f2fb1231113b2cffdd6cf47e25d4d9f99675654f70865b1f3d0a9160c

  • SHA512

    a1ed9eac420f49c4e101ddfb84a1b148a2c05a0999553978528cc1976f3027325b0944c721696ddc1b73b68bcc9766dcb884414efae70543ae7023f34130632f

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

n58i

C2

http://www.biosonicmicrocurrent.com/n58i/

Decoy

electrifyz.com

silkpetalz.net

cognitivenavigation.com

poophaikus.com

orchidiris.com

arteregalos.com

dailybookmarks.info

gogoanume.pro

hushmailgmx.com

trjisa.com

notontrend.com

2020polltax.com

orderhappy.club

panggabean.net

govsathi.com

hrsbxg.com

xvideotokyo.online

lotteplaze.com

lovecleanliveclean.com

swaphomeloans.net

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\ledger.exe
      "C:\Users\Admin\AppData\Local\Temp\ledger.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3556
      • C:\Users\Admin\AppData\Local\Temp\ledger.exe
        "C:\Users\Admin\AppData\Local\Temp\ledger.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3880
    • 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:3796
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\ledger.exe"
        3⤵
          PID:3828

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3008-136-0x0000000004B90000-0x0000000004CD0000-memory.dmp
      Filesize

      1.2MB

    • memory/3008-129-0x0000000002420000-0x00000000024FA000-memory.dmp
      Filesize

      872KB

    • memory/3556-124-0x00000000069F0000-0x0000000006A1A000-memory.dmp
      Filesize

      168KB

    • memory/3556-117-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
      Filesize

      4KB

    • memory/3556-121-0x00000000049E0000-0x0000000004EDE000-memory.dmp
      Filesize

      5.0MB

    • memory/3556-122-0x0000000004D40000-0x0000000004D56000-memory.dmp
      Filesize

      88KB

    • memory/3556-120-0x00000000081E0000-0x00000000081E1000-memory.dmp
      Filesize

      4KB

    • memory/3556-123-0x0000000006950000-0x00000000069B0000-memory.dmp
      Filesize

      384KB

    • memory/3556-115-0x00000000000C0000-0x00000000000C1000-memory.dmp
      Filesize

      4KB

    • memory/3556-119-0x00000000049B0000-0x00000000049B1000-memory.dmp
      Filesize

      4KB

    • memory/3556-118-0x00000000049E0000-0x00000000049E1000-memory.dmp
      Filesize

      4KB

    • memory/3796-135-0x0000000000D40000-0x0000000000DCF000-memory.dmp
      Filesize

      572KB

    • memory/3796-133-0x0000000000120000-0x0000000000148000-memory.dmp
      Filesize

      160KB

    • memory/3796-132-0x00000000010E0000-0x00000000010F9000-memory.dmp
      Filesize

      100KB

    • memory/3796-130-0x0000000000000000-mapping.dmp
    • memory/3796-134-0x0000000004500000-0x0000000004820000-memory.dmp
      Filesize

      3.1MB

    • memory/3828-131-0x0000000000000000-mapping.dmp
    • memory/3880-127-0x0000000001680000-0x00000000019A0000-memory.dmp
      Filesize

      3.1MB

    • memory/3880-128-0x00000000015F0000-0x0000000001600000-memory.dmp
      Filesize

      64KB

    • memory/3880-126-0x000000000041D040-mapping.dmp
    • memory/3880-125-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB