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Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 18:46

General

  • Target

    78b83e3eaf7ec2ba67599c14508488c5_JC.exe

  • Size

    425KB

  • MD5

    78b83e3eaf7ec2ba67599c14508488c5

  • SHA1

    3d3587e5196f05525679c36d5f7c413608b2f851

  • SHA256

    76d9307c2ecfd71788a634f176dcacc7fb3e1cd364be89286f57e7ac48458df1

  • SHA512

    fa7d322e6718a40a74043a8ef16859ade164caa3b6753bc7d70e156b478d32e530455032e9237d6114bedef35c33fac0b19114dea956b8eefb4c52e9d885ded7

  • SSDEEP

    1536:6Z/fgEAqJlV+n1EgGHo7P1YPx28Vayon3s/B/C:61gEZl0nt/P1YPx/onO/C

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.alizametal.com.tr
  • Port:
    21
  • Username:
    alizametal.com.tr
  • Password:
    hd611

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.yesimcopy.com
  • Port:
    21
  • Username:
    yesimcopy1
  • Password:
    825cyf

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78b83e3eaf7ec2ba67599c14508488c5_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\78b83e3eaf7ec2ba67599c14508488c5_JC.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Program Files (x86)\a582bb4e\jusched.exe
      "C:\Program Files (x86)\a582bb4e\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:4284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\a582bb4e\a582bb4e

    Filesize

    17B

    MD5

    80e7928b124479791c52c09d831495f6

    SHA1

    94c8cb5ce4b1c1e70a2802efc22395c1003fc8bd

    SHA256

    a6bb92ad6bdd253818b2660e9befc8e3689b3bee61233f7a67a6ca0695acab12

    SHA512

    5183e48a8dc4f64277b7a0303f97b704ffa63dcc7256aaddb69994ef108f2f2922d9ec9a62eda403eed6c4f66dd719297c9d24e997f662eded63a49810493d2d

  • C:\Program Files (x86)\a582bb4e\jusched.exe

    Filesize

    425KB

    MD5

    b1b4a573fa1b139c19cfa089ff7cee6b

    SHA1

    d836c8c3af885dd96af94536e7845be83f60bd25

    SHA256

    6c67fcc86057a3cee669614588749be1e534f0bb26a5591ca76bb9e6524b3d0e

    SHA512

    f9b5d8c84cbf6e9d4a4cea71bc9d65e13e043fad7c4fc924b2a3add36a26d7bf5041f27a0beccea9a203910906b6f07658608f1fe84cf5abfb3e40367373e7dd

  • C:\Program Files (x86)\a582bb4e\jusched.exe

    Filesize

    425KB

    MD5

    b1b4a573fa1b139c19cfa089ff7cee6b

    SHA1

    d836c8c3af885dd96af94536e7845be83f60bd25

    SHA256

    6c67fcc86057a3cee669614588749be1e534f0bb26a5591ca76bb9e6524b3d0e

    SHA512

    f9b5d8c84cbf6e9d4a4cea71bc9d65e13e043fad7c4fc924b2a3add36a26d7bf5041f27a0beccea9a203910906b6f07658608f1fe84cf5abfb3e40367373e7dd

  • C:\Program Files (x86)\a582bb4e\jusched.exe

    Filesize

    425KB

    MD5

    b1b4a573fa1b139c19cfa089ff7cee6b

    SHA1

    d836c8c3af885dd96af94536e7845be83f60bd25

    SHA256

    6c67fcc86057a3cee669614588749be1e534f0bb26a5591ca76bb9e6524b3d0e

    SHA512

    f9b5d8c84cbf6e9d4a4cea71bc9d65e13e043fad7c4fc924b2a3add36a26d7bf5041f27a0beccea9a203910906b6f07658608f1fe84cf5abfb3e40367373e7dd

  • memory/2740-0-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/2740-15-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/4284-14-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/4284-17-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB