Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    16-12-2021 20:26

General

  • Target

    85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe

  • Size

    939KB

  • MD5

    cd1f4fa4338ae35dc3e24b7d4fdd2c36

  • SHA1

    35585771c3637ad3df287166a5873f1587003194

  • SHA256

    85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71

  • SHA512

    629cbd4806d4aa68c7f4223180d5c2a06378c9a5f1b7c3587f6e3f375ce5fdbc7eff20b0e9f24458d6c0eaa41c79ef786bd54b0e7c7eebf3a1c103b4eff4c669

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ea0r

Decoy

lionheartcreativestudios.com

konzertmanagement.com

blackpanther.online

broychim-int.com

takut18.com

txstarsolar.com

herdsherpa.com

igorshestakov.com

shinesbox.com

reflectpkljlt.xyz

oiltoolshub.com

viralmoneychallenge.com

changingalphastrategies.com

mecitiris.com

rdadmin.online

miniambiente.com

kominarcine.com

pino-almond.com

heihit.xyz

junqi888.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 1 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 53 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.

  • NSIS installer 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
    "C:\Users\Admin\AppData\Local\Temp\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3740
      • C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:984

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
    MD5

    b85c005de5b04c0ba376f72cc932f26b

    SHA1

    04441b6a52530284bdeaa3c4ac4504d71c14101c

    SHA256

    7dfac85dbd9ce80d656f5cd2b657705975023c370a3f9ddd4fd63cb244862c40

    SHA512

    b450731148a32b503471dec833203fc434d07eaf6ae28c1cef0814a5115ddfb64a5028d1519484df0652c83732b1e6290094b5c3bd28e6e53710fcf9c3802574

  • C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
    MD5

    b85c005de5b04c0ba376f72cc932f26b

    SHA1

    04441b6a52530284bdeaa3c4ac4504d71c14101c

    SHA256

    7dfac85dbd9ce80d656f5cd2b657705975023c370a3f9ddd4fd63cb244862c40

    SHA512

    b450731148a32b503471dec833203fc434d07eaf6ae28c1cef0814a5115ddfb64a5028d1519484df0652c83732b1e6290094b5c3bd28e6e53710fcf9c3802574

  • C:\Users\Admin\AppData\Local\Temp\3582-490\85bccf48bd69110456515b5b1fc35fc21c6d983e67c162ab14fb7d8f66616e71.exe
    MD5

    b85c005de5b04c0ba376f72cc932f26b

    SHA1

    04441b6a52530284bdeaa3c4ac4504d71c14101c

    SHA256

    7dfac85dbd9ce80d656f5cd2b657705975023c370a3f9ddd4fd63cb244862c40

    SHA512

    b450731148a32b503471dec833203fc434d07eaf6ae28c1cef0814a5115ddfb64a5028d1519484df0652c83732b1e6290094b5c3bd28e6e53710fcf9c3802574

  • \Users\Admin\AppData\Local\Temp\nsk9D5B.tmp\ptinspeue.dll
    MD5

    5457aaa44c13127b579f7529bfb97777

    SHA1

    d24af0e9239ce8b5324774aae5e88bf5fbdaad7c

    SHA256

    073036bc85bc012b4ed70b9a469708f5b2a9744bd4a943b4c9e3d2d3d48b0c99

    SHA512

    b0808c68815e090c3420614bfd6e81cb05d349e5bf5bc4edff6e1d3ff1df18ceb7d8a9f2c5cbb7a244fd387051b5143cf16903d94385c0c72451e17bcccba3a0

  • memory/984-119-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/984-120-0x000000000041D410-mapping.dmp
  • memory/984-122-0x0000000000A80000-0x0000000000DA0000-memory.dmp
    Filesize

    3.1MB

  • memory/3740-115-0x0000000000000000-mapping.dmp