Overview

overview

10

Static

static

6f20e8f1b4...c6.exe

windows7_x64

10

6f20e8f1b4...c6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 12:27

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General

  • Target

    6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe

  • Size

    628KB

  • MD5

    761674fa96c65b579d2918c740712e19

  • SHA1

    ff96a97efdd1e9bc2c1c8ae5a6650fbf314b79bb

  • SHA256

    6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6

  • SHA512

    68ad01b44293b2380f1a0560ccbf53b06d82bd526a3c5179ce9697a24331159810380606ee9a51706abac076d3a7dce7c7de7943ac076372c1613f17a22c63a2

Score
10/10
vidar933stealer

Malware Config

Extracted

Family

vidar

Version

48.2

Botnet

933

C2

https://koyu.space/@qmashton

Attributes
  • profile_id

    933

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\6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe
    "C:\Users\Admin\AppData\Local\Temp\6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe"
    1⤵
      PID:4844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 924
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4844 -ip 4844
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3284
    • 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:4236
    • 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:4336

    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

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    Downloads

    • memory/4236-134-0x000001B9DDB20000-0x000001B9DDB30000-memory.dmp
      Filesize

      64KB

      Download
    • memory/4236-133-0x000001B9DD560000-0x000001B9DD570000-memory.dmp
      Filesize

      64KB

      Download
    • memory/4236-135-0x000001B9E01D0000-0x000001B9E01D4000-memory.dmp
      Filesize

      16KB

      Download
    • memory/4844-130-0x00000000022B0000-0x000000000232B000-memory.dmp
      Filesize

      492KB

      Download
    • memory/4844-131-0x0000000002330000-0x0000000002405000-memory.dmp
      Filesize

      852KB

      Download
    • memory/4844-132-0x0000000000400000-0x00000000004D8000-memory.dmp
      Filesize

      864KB

      Download