Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-03-2024 15:53

General

  • Target

    d3e82fe080cde8c3c3e461ca781d79c7.exe

  • Size

    667KB

  • MD5

    d3e82fe080cde8c3c3e461ca781d79c7

  • SHA1

    88a7e0f428fd9ccdd20f060b8f4055983c4d08c8

  • SHA256

    310c00f412d44171c0f3f22afbb7a581944225899c5a8808f572436c53dcc29e

  • SHA512

    5d92ecaaa784354739fd4e1aeb22cba045dda6f665bd0b8e5d1885f34f40ba35d192b20c30f22ff05ffa7486d91aa08e1a892011596d33e43bad5e38c60af94e

  • SSDEEP

    12288:2U5BVEjvYJaFFMyNHoOYZ0PUojS/PQ26MnhhnLon9Tu1KPWiF:AjvYJ9hR0PU7OSLW9TukPWi

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

408

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    408

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3e82fe080cde8c3c3e461ca781d79c7.exe
    "C:\Users\Admin\AppData\Local\Temp\d3e82fe080cde8c3c3e461ca781d79c7.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 872
      2⤵
      • Program crash
      PID:2168

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

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

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\Tar6A5E.tmp
    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/1332-1-0x0000000000590000-0x0000000000690000-memory.dmp
    Filesize

    1024KB

  • memory/1332-2-0x0000000000350000-0x00000000003ED000-memory.dmp
    Filesize

    628KB

  • memory/1332-3-0x0000000000400000-0x00000000004C3000-memory.dmp
    Filesize

    780KB

  • memory/1332-47-0x0000000000400000-0x00000000004C3000-memory.dmp
    Filesize

    780KB

  • memory/1332-48-0x0000000000590000-0x0000000000690000-memory.dmp
    Filesize

    1024KB

  • memory/1332-61-0x0000000000350000-0x00000000003ED000-memory.dmp
    Filesize

    628KB