Analysis

  • max time kernel
    3s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04-03-2021 08:03

General

  • Target

    7b6e0668659b20f30bdf81025247a199.exe

  • Size

    218KB

  • MD5

    7b6e0668659b20f30bdf81025247a199

  • SHA1

    27f1e8665c5423b43a5ad11a7d3762c539fbef9c

  • SHA256

    34066150ffa7efa505b8d2246925cd8a32f83b9609438ae76aa27cef7388054d

  • SHA512

    62b1bb025e1ba2969dbed85c6c96ef4f0c78fc9c58db4442c441f70a6587e9e3421717c67c12ffd95f0e7347b941fd389cadc97be4cac612e02f71388e2e05b4

Score
10/10

Malware Config

Extracted

Family

xloader

C2

http://www.856380692.xyz/nsag/

Decoy

usopencoverage.com

5bo5j.com

deliveryourvote.com

bestbuycarpethd.com

worldsourcecloud.com

glowtheblog.com

translations.tools

ithacapella.com

machinerysubway.com

aashlokhospitals.com

athara-kiano.com

anabittencourt.com

hakimkhawatmi.com

fashionwatchesstore.com

krishnagiri.info

tencenttexts.com

kodairo.com

ouitum.club

robertbeauford.net

polling.asia

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b6e0668659b20f30bdf81025247a199.exe
    "C:\Users\Admin\AppData\Local\Temp\7b6e0668659b20f30bdf81025247a199.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\7b6e0668659b20f30bdf81025247a199.exe
      "C:\Users\Admin\AppData\Local\Temp\7b6e0668659b20f30bdf81025247a199.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nss37B.tmp\0ps12v89.dll

    MD5

    4ad8a4a30a1cc665078b16cebcc04ae3

    SHA1

    fa62f869142deb3ab2c83e2d80be9030363aa443

    SHA256

    d080eadcd3766d785ab5cdebc15e67f4b18027241aa724b5581b68d26229cb06

    SHA512

    4b0bd177f13eae8f2762ca291ecfc9a4b95bc22795920259e8646d9912d547a3994525762bcfb66036e4a1cab155b32d694ef43ec6c4a3999b40f05a82711da0

  • memory/1932-2-0x00000000750C1000-0x00000000750C3000-memory.dmp

    Filesize

    8KB

  • memory/1992-4-0x000000000041D000-mapping.dmp

  • memory/1992-5-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/1992-6-0x0000000000830000-0x0000000000B33000-memory.dmp

    Filesize

    3.0MB