Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 17:59

General

  • Target

    32d1a33a5dc17560ff620016b398fec9.exe

  • Size

    566KB

  • MD5

    32d1a33a5dc17560ff620016b398fec9

  • SHA1

    d8b202a3e682a0ccb3b7ee2295d5d62133cc7458

  • SHA256

    18a3ac7fdc9dd873724112c6a390f3c6e5876c6b72664575bb259ad482fdfa18

  • SHA512

    ed3c6d9c9b36aa1d4e1e837c7d081189ec9d177a3fd9d6d1e02c58fea072796220f9322de12cde778c6db3a6d777e1a8c201925fd3e9f284e322ee785c92cadb

  • SSDEEP

    12288:hFN2IR/OSZkYF3KMdgzNv4IG3MQLQ+RSKua8PB3JsdAZvfGA2HaM:hKlS+MdgSIV0Q+vbSsdAZHOHaM

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

921

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    921

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32d1a33a5dc17560ff620016b398fec9.exe
    "C:\Users\Admin\AppData\Local\Temp\32d1a33a5dc17560ff620016b398fec9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Local\Temp\32d1a33a5dc17560ff620016b398fec9.exe
      C:\Users\Admin\AppData\Local\Temp\32d1a33a5dc17560ff620016b398fec9.exe
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 884
        3⤵
        • Program crash
        PID:2816

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\Local\Temp\CabCB7B.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1064-0-0x00000000009A0000-0x0000000000A30000-memory.dmp
    Filesize

    576KB

  • memory/1064-1-0x0000000074C50000-0x000000007533E000-memory.dmp
    Filesize

    6.9MB

  • memory/1064-2-0x00000000020F0000-0x0000000002130000-memory.dmp
    Filesize

    256KB

  • memory/1064-3-0x00000000001F0000-0x0000000000204000-memory.dmp
    Filesize

    80KB

  • memory/1064-6-0x0000000074C50000-0x000000007533E000-memory.dmp
    Filesize

    6.9MB

  • memory/2716-4-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2716-7-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2716-8-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2716-62-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB