Analysis

  • max time kernel
    68s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2023 06:32

General

  • Target

    38b34e3b4ebe93cf20eef8a50f10a2e9.exe

  • Size

    6.5MB

  • MD5

    df9611d635ed2c74f4674dd545ede566

  • SHA1

    c0e75614c2e0ea333ae1b35ebdc188c584aebd32

  • SHA256

    6b3b2aec308683a35d96f1e991c03ca07703590855e04735f5f0ccf0728eb840

  • SHA512

    82227b45d88cfe9b8316fa5660945b5175469a1af26e4944e3867797faf377ce6e660843cbc750b1c6b1af00c3b70de4ae9f30def3eb0405e26ac2cd2356bd11

  • SSDEEP

    196608:DhhUHn/OWz19WvhujZlxkf70yarD3kJQ:l+n/Ow9eeZTkfnGD3ka

Score
10/10

Malware Config

Extracted

Family

vidar

Version

54.9

Botnet

1134

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

http://5.161.120.43:80

Attributes
  • profile_id

    1134

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38b34e3b4ebe93cf20eef8a50f10a2e9.exe
    "C:\Users\Admin\AppData\Local\Temp\38b34e3b4ebe93cf20eef8a50f10a2e9.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2040

Network

MITRE ATT&CK Enterprise v6

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

    41e0ca9a534fb2c5403aed2e224e1086

    SHA1

    c8a72ed7b768ed878720e13891907de7844b5963

    SHA256

    78ec077c3c3d1c3b2c4b0ffee69991fc9e336a078509829684811f26868ffb32

    SHA512

    7e8f55dc8b7c7b8f1cf51d5da438fc6120b458591be66c0e164b910d775cfb7788a69822c082cdb0f1be2f0092a876db71ac6a4d839d18d6807d23964960e9ee

  • C:\Users\Admin\AppData\Local\Temp\Cab1F08.tmp

    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar22F6.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • memory/2040-67-0x0000000000840000-0x0000000000841000-memory.dmp

    Filesize

    4KB

  • memory/2040-71-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB

  • memory/2040-61-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB

  • memory/2040-62-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB

  • memory/2040-64-0x00000000007B0000-0x00000000007B1000-memory.dmp

    Filesize

    4KB

  • memory/2040-65-0x00000000007B0000-0x00000000007B1000-memory.dmp

    Filesize

    4KB

  • memory/2040-54-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/2040-68-0x0000000000840000-0x0000000000841000-memory.dmp

    Filesize

    4KB

  • memory/2040-70-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB

  • memory/2040-59-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/2040-72-0x00000000008A0000-0x00000000008A1000-memory.dmp

    Filesize

    4KB

  • memory/2040-73-0x00000000008A0000-0x00000000008A1000-memory.dmp

    Filesize

    4KB

  • memory/2040-74-0x00000000008A0000-0x00000000008A1000-memory.dmp

    Filesize

    4KB

  • memory/2040-75-0x0000000000100000-0x000000000078F000-memory.dmp

    Filesize

    6.6MB

  • memory/2040-58-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/2040-57-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/2040-56-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/2040-55-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB