Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • submitted
    12/09/2022, 03:00

General

  • Target

    file.exe

  • Size

    4.9MB

  • MD5

    57f2f75c17ab7bbc606aed7ad9462f2b

  • SHA1

    e284891b905cd5fb4da41c5fd7d1d25c60b0436d

  • SHA256

    048775019adc05c1978f5be85341eb95fb8c9c15611ee13a1fbbffaef3f4f1dc

  • SHA512

    d8de0b33e63f4c09fabe0c7631005ee142426b9f06f3a5830a40682c41365487cecfc5478a3aa1ef67305eda8ed8d0ff691d0665f0f17d9c0430ae42dd6a8859

  • SSDEEP

    98304:8Tmz2NL20p5QWLTc4owiSAyKkcTz4Gj/8uFIh5gR72SPn:JmfPQWLTDrAyKRf4k/8iIhql2G

Malware Config

Extracted

Family

vidar

Version

54.3

Botnet

1656

C2

https://t.me/karacakahve

https://ieji.de/@tiagoa96

Attributes
  • profile_id

    1656

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.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/1220-54-0x0000000000860000-0x0000000000D58000-memory.dmp

    Filesize

    5.0MB

  • memory/1220-55-0x0000000074D81000-0x0000000074D83000-memory.dmp

    Filesize

    8KB

  • memory/1220-56-0x0000000000860000-0x0000000000D58000-memory.dmp

    Filesize

    5.0MB

  • memory/1220-57-0x0000000000860000-0x0000000000D58000-memory.dmp

    Filesize

    5.0MB

  • memory/1220-58-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/1220-79-0x0000000000860000-0x0000000000D58000-memory.dmp

    Filesize

    5.0MB