Analysis

  • max time kernel
    175s
  • max time network
    202s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2023 08:50

General

  • Target

    ab292ca19cdf082ca574079c509ac729.exe

  • Size

    750KB

  • MD5

    ab292ca19cdf082ca574079c509ac729

  • SHA1

    dedb710717bd0f77afb43b3e4d35c7a38d432ad0

  • SHA256

    fa7f5b950d340ec4da7c437fe32031f22985034130cec41e7fd7f55c80778f38

  • SHA512

    403bae833e8057a286b23ab9eaccc3be9e2d4eb295ebfd65af6d7bfbd9e8ef1d1e29015c80b13068806495e5979ef20f207fe6d76b3521bc02f7c0e80adeff89

  • SSDEEP

    12288:tkBuS8FtXOsOr7tIShXIxy2CKrXbVExkSxOZuX86JY1oowOZ6XxAiVrjJgostV2a:trN0f7Sagy2TrXbV8kSs8XfeXv6T7YHP

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.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\ab292ca19cdf082ca574079c509ac729.exe
    "C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe
      C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 832
        3⤵
        • Program crash
        PID:2404

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\CabA64F.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarA6A0.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2124-7-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2124-12-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2124-11-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2124-9-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2608-6-0x0000000000B70000-0x0000000000B98000-memory.dmp
    Filesize

    160KB

  • memory/2608-0-0x00000000012F0000-0x00000000013AE000-memory.dmp
    Filesize

    760KB

  • memory/2608-5-0x0000000001290000-0x00000000012D0000-memory.dmp
    Filesize

    256KB

  • memory/2608-10-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2608-4-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2608-3-0x0000000000380000-0x0000000000381000-memory.dmp
    Filesize

    4KB

  • memory/2608-2-0x0000000001290000-0x00000000012D0000-memory.dmp
    Filesize

    256KB

  • memory/2608-1-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB