Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 06:19

General

  • Target

    74c3452234762be395927830ab7086c901f1e487d8df61b62f5b852b2acd2b3b_NeikiAnalytics.exe

  • Size

    2.2MB

  • MD5

    dfab693b72f5e595b6080c2e078681b0

  • SHA1

    ea5f41960dd7d86acb568161173ed276f336a0bf

  • SHA256

    74c3452234762be395927830ab7086c901f1e487d8df61b62f5b852b2acd2b3b

  • SHA512

    e144fd3d63514bfc7bba53a3ced7dc2a15c817f334efa8a2f3d602498a0ce4cd8b83925b5b2e1e4e00e216cc8372c9cebf51dcd73dc06ce3225dc94d325ace63

  • SSDEEP

    49152:lAgY7fvVtbBaxmcqMTBeu1KQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeu1KQl+bYxzIBA6uMST

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

  • Detect Vidar Stealer 10 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74c3452234762be395927830ab7086c901f1e487d8df61b62f5b852b2acd2b3b_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\74c3452234762be395927830ab7086c901f1e487d8df61b62f5b852b2acd2b3b_NeikiAnalytics.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\kat1861.tmp
      C:\Users\Admin\AppData\Local\Temp\kat1861.tmp
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    5041ae8e6b7f155b744b981cb7d67cf3

    SHA1

    74be43c4888442ac2acef263fe50e1432baa020c

    SHA256

    460e8dc90cc33e18ad2b5bdfbdcac056b8271a42dfeba8de8efaf05a312280d1

    SHA512

    ed7f29c1e5fcdb0a45bcc2ca0b24b8c55c4c06fcfabd555ef97c5cab266284960a04e3a6b065bf1cd3c4bae1867c3ae3216ce49f41d47b0bb1fc11247d9468d5

  • C:\Users\Admin\AppData\Local\Temp\Tar264D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\kat1861.tmp

    Filesize

    861KB

    MD5

    66064dbdb70a5eb15ebf3bf65aba254b

    SHA1

    0284fd320f99f62aca800fb1251eff4c31ec4ed7

    SHA256

    6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

    SHA512

    b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

  • memory/2288-20-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/2288-1-0x0000000003260000-0x0000000003370000-memory.dmp

    Filesize

    1.1MB

  • memory/2288-0-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2472-11-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-17-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-13-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-23-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-9-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-22-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-18-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-15-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-171-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-192-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-214-0x0000000025010000-0x000000002526F000-memory.dmp

    Filesize

    2.4MB

  • memory/2472-225-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2472-246-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB