Analysis

  • max time kernel
    123s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-10-2021 11:23

General

  • Target

    da7b4c213039524dd2cd661cb20e62ae.exe

  • Size

    599KB

  • MD5

    da7b4c213039524dd2cd661cb20e62ae

  • SHA1

    81ad9e9a3d24242fa7619ad23bb6eed117672a3d

  • SHA256

    7d9a7c06ad6bdf4b58d325900a940f3bf830862d108c8cf58d3d77982b87f8c2

  • SHA512

    fb55d71a64138bc17f5e7a0c8f6496ddeeb0a156270a1de4b8c0bcee9920a46fef0beba34f1bd0a9d589e5a49ad9d1803b71245a9ec28414c956c594886555af

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

bntn

C2

http://www.forex-fm.online/bntn/

Decoy

pollynfertility.com

frayahanson.com

longrunconsultancy.com

influencerimpactacademy.com

kentislandeats.com

71zkck.biz

835641.com

sklepmeki.store

lauradanielphotography.com

betnubhelp.com

invoicefunder.com

reignbeautycompany.com

eclipsegl.com

zacharyparkerporward5.com

alexiamalan.top

xn--299akkrtr22f.com

telex.business

pingsportsbet.com

fountainspringsrehab.com

intelbloodstock.com

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da7b4c213039524dd2cd661cb20e62ae.exe
    "C:\Users\Admin\AppData\Local\Temp\da7b4c213039524dd2cd661cb20e62ae.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
    MD5

    33d3b8285711ffe807b50251ccd9c90f

    SHA1

    d4470e56f20b27fe1fe86a73b25db67641028183

    SHA256

    337e3b1c42b7da40a9bddfb17c346621dcb9b367e7b656ffdaf4f594a41e49c5

    SHA512

    e95c9da513fb6292576a499df804d2c6020d2f2e267e98243dae04db0c62dcfaa0c99612a9ccc225006d58b5f3f60c2a315a676fc80547cf7f84b893a6aa4ed9

  • C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
    MD5

    33d3b8285711ffe807b50251ccd9c90f

    SHA1

    d4470e56f20b27fe1fe86a73b25db67641028183

    SHA256

    337e3b1c42b7da40a9bddfb17c346621dcb9b367e7b656ffdaf4f594a41e49c5

    SHA512

    e95c9da513fb6292576a499df804d2c6020d2f2e267e98243dae04db0c62dcfaa0c99612a9ccc225006d58b5f3f60c2a315a676fc80547cf7f84b893a6aa4ed9

  • C:\Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
    MD5

    33d3b8285711ffe807b50251ccd9c90f

    SHA1

    d4470e56f20b27fe1fe86a73b25db67641028183

    SHA256

    337e3b1c42b7da40a9bddfb17c346621dcb9b367e7b656ffdaf4f594a41e49c5

    SHA512

    e95c9da513fb6292576a499df804d2c6020d2f2e267e98243dae04db0c62dcfaa0c99612a9ccc225006d58b5f3f60c2a315a676fc80547cf7f84b893a6aa4ed9

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \PROGRA~2\Google\Temp\GUMFBCB.tmp\GOFB2B~1.EXE
    MD5

    583ff3367e050c4d62bc03516473b40a

    SHA1

    6aa1d26352b78310e711884829c35a69ed1bf0f9

    SHA256

    6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

    SHA512

    e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

  • \PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE
    MD5

    583ff3367e050c4d62bc03516473b40a

    SHA1

    6aa1d26352b78310e711884829c35a69ed1bf0f9

    SHA256

    6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

    SHA512

    e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

  • \Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
    MD5

    33d3b8285711ffe807b50251ccd9c90f

    SHA1

    d4470e56f20b27fe1fe86a73b25db67641028183

    SHA256

    337e3b1c42b7da40a9bddfb17c346621dcb9b367e7b656ffdaf4f594a41e49c5

    SHA512

    e95c9da513fb6292576a499df804d2c6020d2f2e267e98243dae04db0c62dcfaa0c99612a9ccc225006d58b5f3f60c2a315a676fc80547cf7f84b893a6aa4ed9

  • \Users\Admin\AppData\Local\Temp\3582-490\da7b4c213039524dd2cd661cb20e62ae.exe
    MD5

    33d3b8285711ffe807b50251ccd9c90f

    SHA1

    d4470e56f20b27fe1fe86a73b25db67641028183

    SHA256

    337e3b1c42b7da40a9bddfb17c346621dcb9b367e7b656ffdaf4f594a41e49c5

    SHA512

    e95c9da513fb6292576a499df804d2c6020d2f2e267e98243dae04db0c62dcfaa0c99612a9ccc225006d58b5f3f60c2a315a676fc80547cf7f84b893a6aa4ed9

  • memory/384-60-0x0000000075211000-0x0000000075213000-memory.dmp
    Filesize

    8KB

  • memory/1424-77-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1424-76-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1424-78-0x000000000041D490-mapping.dmp
  • memory/1424-75-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1424-80-0x0000000000A40000-0x0000000000D43000-memory.dmp
    Filesize

    3.0MB

  • memory/1664-72-0x00000000005F0000-0x00000000005F5000-memory.dmp
    Filesize

    20KB

  • memory/1664-73-0x0000000004D10000-0x0000000004D5B000-memory.dmp
    Filesize

    300KB

  • memory/1664-62-0x0000000000000000-mapping.dmp
  • memory/1664-65-0x00000000002E0000-0x00000000002E1000-memory.dmp
    Filesize

    4KB

  • memory/1664-68-0x0000000004D80000-0x0000000004D81000-memory.dmp
    Filesize

    4KB