Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2023 01:00

General

  • Target

    722e5c23eff7116dead7e70f52673519604efa15a2743939034cb2fccd1c4672.exe

  • Size

    326KB

  • MD5

    0d864f313f0f8bc51ab95e69e77177ce

  • SHA1

    cfe61207e7f7f1c4d3104425d2257f301e07f433

  • SHA256

    722e5c23eff7116dead7e70f52673519604efa15a2743939034cb2fccd1c4672

  • SHA512

    bed133ef77d0dfda0afbe14e27ea851437954672aef9f988ecb49afbe8aa55469ebd34d38355a423fd6f74e71a79d2cda99f602b0ab294c28c480fb3d444e418

  • SSDEEP

    6144:3qYMM+1vwaJL3FF97TUjlBUdkfBLBIZDya0LUQiTa+T:3qYMM+1oe3zsBUd2K4LUQi7

Malware Config

Extracted

Family

vidar

Version

3.5

Botnet

2234cb18bdcd93ea6f4e5f1473025a81

C2

https://steamcommunity.com/profiles/76561199497218285

https://t.me/tg_duckworld

Attributes
  • profile_id_v2

    2234cb18bdcd93ea6f4e5f1473025a81

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\722e5c23eff7116dead7e70f52673519604efa15a2743939034cb2fccd1c4672.exe
    "C:\Users\Admin\AppData\Local\Temp\722e5c23eff7116dead7e70f52673519604efa15a2743939034cb2fccd1c4672.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\TarE835.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1568-60-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-67-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-66-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-55-0x0000000000260000-0x00000000002B7000-memory.dmp

    Filesize

    348KB

  • memory/1568-119-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-120-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-121-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1568-59-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB

  • memory/1568-56-0x0000000000400000-0x0000000002BAC000-memory.dmp

    Filesize

    39.7MB