Analysis

  • max time kernel
    143s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2023 22:04

General

  • Target

    9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17.exe

  • Size

    722KB

  • MD5

    bc8eaaafd8feb26a72f74dcdb99c7865

  • SHA1

    818aa87338d4df601db15f976b70b016e2e23d06

  • SHA256

    9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17

  • SHA512

    c49c05d3663529b949863cb714d3cbfe7869551e4a6b57dc5281c7ba569fe1c90481a135fb689edf8bd7121b48fd78eb9efe2a0d8960023d161ec0f47f5bfcad

  • SSDEEP

    12288:CqwqmzMqKXta27mbBbToDKh5lcGWIaM510JbK5Nozb9H5eoENNkHX:lfmSXs2+baI5l1uc64N2

Score
10/10

Malware Config

Extracted

Family

vidar

Version

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17.exe
    "C:\Users\Admin\AppData\Local\Temp\9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17.exe
      "C:\Users\Admin\AppData\Local\Temp\9d4f3c4a7bce15559a9501b2c7d2ecf8f005a1b325dd407dff8054ed0e3e9b17.exe"
      2⤵
      • Modifies system certificate store
      PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    9eeea4f25df343d487536b1e934016ae

    SHA1

    5577f6cfcbfb5cbd2cab2f15a1e38e39f5985382

    SHA256

    a10f3303f86c3155966da441a58441ca056a6731a9802f35a76d8ab3b4ef4b0a

    SHA512

    2b6a82dc14849230c957d5fe9a0e28515538c866972dd02458147ab8a90b1bb2abb335165c148b8c4362b75547cd708a9e1b53839d68fe4fea03234290f4f162

  • C:\Users\Admin\AppData\Local\Temp\Cab3F83.tmp
    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar4100.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • memory/1712-58-0x0000000000220000-0x00000000002F5000-memory.dmp
    Filesize

    852KB

  • memory/2008-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2008-56-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2008-59-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2008-60-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2008-61-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2008-145-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB