Overview

overview

10

Static

static

2295510f04...4b.exe

windows7_x64

10

2295510f04...4b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 14:59

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General

  • Target

    2295510f041dc01c4a3c8644db06e1191c1b341d95c8104c44a62fac4544e44b.exe

  • Size

    756KB

  • MD5

    c047905ec2dbb9f688e5d14832679184

  • SHA1

    c6574566b3ea0325f82eac22885320233fb40dce

  • SHA256

    2295510f041dc01c4a3c8644db06e1191c1b341d95c8104c44a62fac4544e44b

  • SHA512

    61f799e963a1cd1fce9f9997aff0644dde375bf5442aebacd03036301044c049436b35c4794e0d2e7fa742cf73a54efbfd26cbc66eb15ce0eecce97bd01338be

Score
10/10
vidar937stealer

Malware Config

Extracted

Family

vidar

Version

48.5

Botnet

937

C2

https://koyu.space/@tttaj

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\2295510f041dc01c4a3c8644db06e1191c1b341d95c8104c44a62fac4544e44b.exe
    "C:\Users\Admin\AppData\Local\Temp\2295510f041dc01c4a3c8644db06e1191c1b341d95c8104c44a62fac4544e44b.exe"
    1⤵
      PID:3132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 1868
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3604
    • 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:364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3132 -ip 3132
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3608
    • 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:4052

    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/364-131-0x000002588B990000-0x000002588B9A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/364-132-0x000002588C020000-0x000002588C030000-memory.dmp
      Filesize

      64KB

      Download
    • memory/364-135-0x000002588E710000-0x000002588E714000-memory.dmp
      Filesize

      16KB

      Download
    • memory/3132-130-0x000000000247E000-0x00000000024FA000-memory.dmp
      Filesize

      496KB

      Download
    • memory/3132-133-0x000000000247E000-0x00000000024FA000-memory.dmp
      Filesize

      496KB

      Download
    • memory/3132-134-0x0000000004230000-0x0000000004305000-memory.dmp
      Filesize

      852KB

      Download
    • memory/3132-136-0x0000000000400000-0x00000000004D8000-memory.dmp
      Filesize

      864KB

      Download