Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 22:34

General

  • Target

    1e981e240cc21580c970db894934da5f.exe

  • Size

    800KB

  • MD5

    1e981e240cc21580c970db894934da5f

  • SHA1

    24bc2e53f10324268b5ba1542568d9e998a1052b

  • SHA256

    26285efdd77665c7dd35aa0450f77214644ebb80fb284e071e67f728881c8983

  • SHA512

    24c9968c7fbe3f341801e723be26dc083939238a94234374e1eb7821360119e6c8efdcd481ab68de2007fcae1a39b897f4b1198cc43a965577a0982272413844

  • SSDEEP

    24576:qscQPFc8HTWK0g+W2r2smDvDXv4gi+SNYlIGVHWVzM:qxQSUDV+W2aB7v4gINYK4

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.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\1e981e240cc21580c970db894934da5f.exe
    "C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe
      C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 856
        3⤵
        • Program crash
        PID:1076

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\Cab15C4.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1653.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2072-4-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2072-6-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2072-7-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2072-62-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2272-1-0x0000000074A60000-0x000000007514E000-memory.dmp
    Filesize

    6.9MB

  • memory/2272-0-0x0000000001380000-0x000000000144C000-memory.dmp
    Filesize

    816KB

  • memory/2272-2-0x0000000004E30000-0x0000000004E70000-memory.dmp
    Filesize

    256KB

  • memory/2272-3-0x00000000004E0000-0x0000000000506000-memory.dmp
    Filesize

    152KB

  • memory/2272-8-0x0000000074A60000-0x000000007514E000-memory.dmp
    Filesize

    6.9MB