Overview

overview

10

Static

static

e19e5702b7...a7.exe

windows7_x64

10

e19e5702b7...a7.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 05:21

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    e19e5702b706ca6a9508d67a44379aaef9361111dcdcd99c65fac6e027534fa7.exe

  • Size

    721KB

  • MD5

    5aae43957aac87119b0c3b3f75238f5f

  • SHA1

    6c3d927fb44f0afab6b8ab0130e47ba0b143f8b6

  • SHA256

    e19e5702b706ca6a9508d67a44379aaef9361111dcdcd99c65fac6e027534fa7

  • SHA512

    29775313ba24ce6c79f7f35ff3e71664211fea86887947307774bf9113acd6a0bbe2c69f86bf379cf6aac41746098e9002e77aaf61983157088e48528979ff34

Score
10/10
vidar937stealer

Malware Config

Extracted

Family

vidar

Version

47.8

Botnet

937

C2

https://mas.to/@romashkin

Attributes
  • profile_id

    937

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Vidar Stealer 2 IoCs
    stealer
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e19e5702b706ca6a9508d67a44379aaef9361111dcdcd99c65fac6e027534fa7.exe
    "C:\Users\Admin\AppData\Local\Temp\e19e5702b706ca6a9508d67a44379aaef9361111dcdcd99c65fac6e027534fa7.exe"
    1⤵
      PID:4084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 1828
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4084 -ip 4084
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:1164
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1828

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/856-134-0x000001563AF60000-0x000001563AF70000-memory.dmp
      Filesize

      64KB

      Download
    • memory/856-135-0x000001563B520000-0x000001563B530000-memory.dmp
      Filesize

      64KB

      Download
    • memory/856-136-0x000001563DB90000-0x000001563DB94000-memory.dmp
      Filesize

      16KB

      Download
    • memory/4084-130-0x0000000000A4D000-0x0000000000AC9000-memory.dmp
      Filesize

      496KB

      Download
    • memory/4084-131-0x0000000000A4D000-0x0000000000AC9000-memory.dmp
      Filesize

      496KB

      Download
    • memory/4084-132-0x0000000002750000-0x0000000002826000-memory.dmp
      Filesize

      856KB

      Download
    • memory/4084-133-0x0000000000400000-0x00000000004D9000-memory.dmp
      Filesize

      868KB

      Download