Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 15:15

General

  • Target

    d2.exe

  • Size

    1.1MB

  • MD5

    5092bff4eca423c90563e487762966b3

  • SHA1

    bd929965aa556e4aeca7691d110690e742e68d1c

  • SHA256

    40acc1cfe1986fee292469e21c175d68bed0502f46af424d0cd8ec42e0ead72d

  • SHA512

    f0b8789b0e14252a9592f836d43223d5f920202c3b2c8ed2a3654430036ebd0145e815658d4cdcfddb8969d4a5834d95d53654a6fc7e73a3c71799f9fe1a75f3

Malware Config

Extracted

Family

formbook

C2

http://www.rizrvd.com/bw82/

Decoy

fundamentaliemef.com

gallerybrows.com

leadeligey.com

octoberx2.online

climaxnovels.com

gdsjgf.com

curateherstories.com

blacksailus.com

yjpps.com

gmobilet.com

fcoins.club

foreverlive2027.com

healthyfifties.com

wmarquezy.com

housebulb.com

thebabyfriendly.com

primajayaintiperkasa.com

learnplaychess.com

chrisbubser.digital

xn--avenr-wsa.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\d2.exe
      "C:\Users\Admin\AppData\Local\Temp\d2.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Users\Admin\AppData\Local\Temp\d2.exe
        "C:\Users\Admin\AppData\Local\Temp\d2.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\d2.exe"
        3⤵
        • Deletes itself
        PID:592

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/396-14-0x0000000000000000-mapping.dmp
  • memory/396-20-0x0000000002290000-0x000000000231F000-memory.dmp
    Filesize

    572KB

  • memory/396-19-0x0000000075BF1000-0x0000000075BF3000-memory.dmp
    Filesize

    8KB

  • memory/396-18-0x0000000001F80000-0x0000000002283000-memory.dmp
    Filesize

    3.0MB

  • memory/396-17-0x0000000000080000-0x00000000000A8000-memory.dmp
    Filesize

    160KB

  • memory/396-16-0x000000004A640000-0x000000004A68C000-memory.dmp
    Filesize

    304KB

  • memory/592-15-0x0000000000000000-mapping.dmp
  • memory/1224-12-0x0000000000160000-0x0000000000170000-memory.dmp
    Filesize

    64KB

  • memory/1224-11-0x0000000000C40000-0x0000000000F43000-memory.dmp
    Filesize

    3.0MB

  • memory/1224-9-0x000000000041CFF0-mapping.dmp
  • memory/1224-8-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1260-13-0x0000000006F00000-0x0000000007062000-memory.dmp
    Filesize

    1.4MB

  • memory/1260-21-0x0000000007070000-0x000000000716D000-memory.dmp
    Filesize

    1012KB

  • memory/1432-2-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/1432-7-0x0000000007600000-0x0000000007669000-memory.dmp
    Filesize

    420KB

  • memory/1432-6-0x0000000004480000-0x0000000004481000-memory.dmp
    Filesize

    4KB

  • memory/1432-5-0x0000000002120000-0x0000000002143000-memory.dmp
    Filesize

    140KB

  • memory/1432-3-0x0000000000990000-0x0000000000991000-memory.dmp
    Filesize

    4KB