Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2023, 23:21

General

  • Target

    NEAS.6eb2357ec8b2fc41a011ac7b6ce31cc0_JC.exe

  • Size

    131KB

  • MD5

    6eb2357ec8b2fc41a011ac7b6ce31cc0

  • SHA1

    f585bbd17842680afb895a68c9b0708f60738aa9

  • SHA256

    88d3ef5e511ff266f861a9321d145353ed6a7bf253bfb41c11776f7d38174eb5

  • SHA512

    71aacf87a63193ffe2a1a737a883801f6530567baad7dbf7efd65871f029de302f2d5b7f629c9a7f4babffb0edacbce335a84f846e87844cdb9dd5b2ac05734f

  • SSDEEP

    3072:ZRpAyazIlyazTkyO4tcM0hfiWepJ//bw7:xZMaz8g70qpJ/zq

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.6eb2357ec8b2fc41a011ac7b6ce31cc0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.6eb2357ec8b2fc41a011ac7b6ce31cc0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe
      C:\Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe
      2⤵
      • Executes dropped EXE
      PID:2004
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe

    Filesize

    60KB

    MD5

    7b112b1fb864c90ec5b65eab21cb40b8

    SHA1

    e7b73361f722fc7cbb93ef98a8d26e34f4d49767

    SHA256

    751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

    SHA512

    bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5

  • C:\Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe

    Filesize

    60KB

    MD5

    7b112b1fb864c90ec5b65eab21cb40b8

    SHA1

    e7b73361f722fc7cbb93ef98a8d26e34f4d49767

    SHA256

    751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

    SHA512

    bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5

  • C:\Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe

    Filesize

    60KB

    MD5

    7b112b1fb864c90ec5b65eab21cb40b8

    SHA1

    e7b73361f722fc7cbb93ef98a8d26e34f4d49767

    SHA256

    751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

    SHA512

    bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f60519a4b9abe303feb4b5b3666a551e

    SHA1

    d5bb38474958a5f51fb74886482fa44e873898f5

    SHA256

    6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

    SHA512

    3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f60519a4b9abe303feb4b5b3666a551e

    SHA1

    d5bb38474958a5f51fb74886482fa44e873898f5

    SHA256

    6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

    SHA512

    3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f60519a4b9abe303feb4b5b3666a551e

    SHA1

    d5bb38474958a5f51fb74886482fa44e873898f5

    SHA256

    6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

    SHA512

    3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

  • \Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe

    Filesize

    60KB

    MD5

    7b112b1fb864c90ec5b65eab21cb40b8

    SHA1

    e7b73361f722fc7cbb93ef98a8d26e34f4d49767

    SHA256

    751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

    SHA512

    bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5

  • \Users\Admin\AppData\Local\Temp\0B6fwBkVpcQeW1h.exe

    Filesize

    60KB

    MD5

    7b112b1fb864c90ec5b65eab21cb40b8

    SHA1

    e7b73361f722fc7cbb93ef98a8d26e34f4d49767

    SHA256

    751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

    SHA512

    bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5