Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    21-01-2021 18:32

General

  • Target

    5092bff4eca423c90563e487762966b3.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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5092bff4eca423c90563e487762966b3.exe
    "C:\Users\Admin\AppData\Local\Temp\5092bff4eca423c90563e487762966b3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:496
    • C:\Users\Admin\AppData\Local\Temp\5092bff4eca423c90563e487762966b3.exe
      "C:\Users\Admin\AppData\Local\Temp\5092bff4eca423c90563e487762966b3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/496-2-0x0000000073360000-0x0000000073A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/496-3-0x0000000000C70000-0x0000000000C71000-memory.dmp
    Filesize

    4KB

  • memory/496-5-0x0000000007C20000-0x0000000007C21000-memory.dmp
    Filesize

    4KB

  • memory/496-6-0x00000000081C0000-0x00000000081C1000-memory.dmp
    Filesize

    4KB

  • memory/496-7-0x0000000007CC0000-0x0000000007CC1000-memory.dmp
    Filesize

    4KB

  • memory/496-8-0x0000000007BB0000-0x0000000007BB1000-memory.dmp
    Filesize

    4KB

  • memory/496-9-0x0000000007EE0000-0x0000000007EE1000-memory.dmp
    Filesize

    4KB

  • memory/496-10-0x0000000007BC0000-0x0000000007BC1000-memory.dmp
    Filesize

    4KB

  • memory/496-11-0x0000000008930000-0x0000000008953000-memory.dmp
    Filesize

    140KB

  • memory/496-12-0x0000000008BE0000-0x0000000008C49000-memory.dmp
    Filesize

    420KB

  • memory/3032-13-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/3032-14-0x000000000041CFF0-mapping.dmp
  • memory/3032-16-0x0000000001750000-0x0000000001A70000-memory.dmp
    Filesize

    3.1MB