Analysis

  • max time kernel
    45s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-06-2022 15:08

General

  • Target

    2932ffbdc56db8c83bbbafc1837e53518639c055c10e2d244afb1c21bc07d399.exe

  • Size

    717KB

  • MD5

    18072775678092c74cb362a3ac7dc7de

  • SHA1

    5b2d731d7dbd59f4512807c273cea23e09c7f195

  • SHA256

    2932ffbdc56db8c83bbbafc1837e53518639c055c10e2d244afb1c21bc07d399

  • SHA512

    3420b4e86caf33a0540f05413d60a16f9ce4856257a0c4bae91e3f8c80529c2bd9c7f250e286c6e469da552fcc8f1ee8f1caede7b323597387da6dec2de2dce0

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

937

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    937

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2932ffbdc56db8c83bbbafc1837e53518639c055c10e2d244afb1c21bc07d399.exe
    "C:\Users\Admin\AppData\Local\Temp\2932ffbdc56db8c83bbbafc1837e53518639c055c10e2d244afb1c21bc07d399.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 1308
      2⤵
      • Program crash
      PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/860-54-0x0000000000989000-0x0000000000A05000-memory.dmp
    Filesize

    496KB

  • memory/860-55-0x00000000763C1000-0x00000000763C3000-memory.dmp
    Filesize

    8KB

  • memory/860-56-0x0000000000989000-0x0000000000A05000-memory.dmp
    Filesize

    496KB

  • memory/860-57-0x0000000000B50000-0x0000000000C26000-memory.dmp
    Filesize

    856KB

  • memory/860-58-0x0000000000400000-0x00000000008E3000-memory.dmp
    Filesize

    4.9MB

  • memory/860-60-0x0000000000989000-0x0000000000A05000-memory.dmp
    Filesize

    496KB

  • memory/860-61-0x0000000000400000-0x00000000008E3000-memory.dmp
    Filesize

    4.9MB

  • memory/1740-59-0x0000000000000000-mapping.dmp