General

  • Target

    dogecoin-1.14.9-win32.zip

  • Size

    22.4MB

  • Sample

    250109-nsn32synew

  • MD5

    61feb1d444654b7f757c25397701bd9e

  • SHA1

    bb1b8f3b3b3818e99b069c5332c6f3293f9f7af2

  • SHA256

    3d5f7b3325f260dc291e2b1c24c54818d2edcde5527ef31168016ae9aad25fc6

  • SHA512

    d2f4d91e9ac9d0e4b1896d6b4ef979fee14521fa79972ac379c6f22e22235a0b2a23c3b792d24fe109722fb6feb43abc138dc5f1c47e85cbf0dad68d6be0249b

  • SSDEEP

    393216:LIjwwCdNQ6aWrOIUweRBOhRPOrfNCg/LryUVsRKlcEdxkbfFX7h7kg7VoJ:LIkwONQ6aWa0ezOhRW5PHLuKLxqog74

Malware Config

Extracted

Family

aresloader

C2

http://127.0.0.1:22555

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

RAJARUS817.mooo.com:1555

Mutex

QSR_MUTEX_W6w7FxAeflnmbVB0X8

Attributes
  • encryption_key

    Tp9dx8nrMunH9hPbac6o

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      dogecoin-1.14.9-win32/daemon/dogecoin-cli.exe

    • Size

      3.1MB

    • MD5

      e2a7f28a056c9f054e0e2c5811c56aaa

    • SHA1

      3d8b4d9d8d920ba924e98ad2ccdf6aa08bb77065

    • SHA256

      a229bf2c62e0302db9f3814f046619a45ea185494ad79f1fea8a950876677766

    • SHA512

      3e8ce348b53e9ead9de7aa494100055e92bcd9c02b13fb77d9bb4954e59c22e554ba40062fb66a82f6fdbdddaa55faee415b945aeb595df9bc5618307b632738

    • SSDEEP

      98304:D7ooEAQrh2kWoyDAjfLr5I5WwJSZsPqTWURVlDvbydxoYRzQ2gCKp:D7oqw2kWo8AjfLr5I5WwJSZsPqTWURV9

    Score
    3/10
    • Target

      dogecoin-1.14.9-win32/daemon/dogecoind.exe

    • Size

      10.8MB

    • MD5

      bd105bf449a53559a1f03bc3cee01201

    • SHA1

      beb01382e4f15f3ba0073816dcefdec05206bf6a

    • SHA256

      a2ea0f21d7b418869651c791d8973c983cca3964aee225d03fbf9d72a2a18b31

    • SHA512

      8d8605bfa802ea1bc491e1a9a63b7d01ac73f45b9e29777aacdc0d82fa85d7a6100b53b3ab6fe83c110444ef7e391e6f9b502b3c2f78da96918156b93135a060

    • SSDEEP

      196608:6rGbOYFXKiN8lytROoQIv+vaMiYYkO1KNT7muZemqBFrKUr8920vqb8i9lpmP5sM:f1XKAQ8CzKuZenbZLbXuHSb4AjbfMkpq

    • Target

      dogecoin-1.14.9-win32/dogecoin-qt.exe

    • Size

      34.1MB

    • MD5

      f421c6d2c8e4a07d7be1a13a4cbe6c82

    • SHA1

      6f25ceaeeaf69d7dd662f39c46bcb4470cac69c6

    • SHA256

      651f67cb96ed59fa41171741443710eb47a17d6173a925ad57a4f142bf50842a

    • SHA512

      d99873cceb05d3430ebe4235298e8649c20c13977e230bcd7bca92dd68ffde5a55b24ce241ea92879b005117414adbd18149a7984089b6ad3b0e5e2a3fc8889f

    • SSDEEP

      393216:HPvtaqFj3oP1L1d00XqDtb4knbfRVBhHjcF7X+lx+adk5j4xbRVeawa9AV88NrbQ:HPvtaq3oP15chHWX+v+drlTMx

    • Target

      dogecoin-1.14.9-win32/dogecore.exe

    • Size

      1.4MB

    • MD5

      a412fa073a2b48c547f7afd8a9341d51

    • SHA1

      c85ba3bc4a0352db1d6e8da0002cfcb5a8006aed

    • SHA256

      631d517636bf46e596ec6b150c19165e89a900290fcfda2d63d914f64e6ba7cd

    • SHA512

      e11e6a15d17c7d72efa064d1bf1712a5f170055cf4e657df7db307dbca4a5bdc390496f11735f4be2b8c1197042c61cb13ddcff695756ffd08cf9841e40c2664

    • SSDEEP

      12288:6tGo9MjVyuQxY+wTDCWJZfeXetmPtWb1tt1CX1Rfg1i61xSxbN1Km1RQQI13h1AC:p7rXDBPeXALlSVLukdoo8q

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    • Target

      dogecoin-1.14.9-win32/uninstall.exe

    • Size

      479KB

    • MD5

      67d544d525bb4215883387ed293306f3

    • SHA1

      a22c55be841dc7fefb893a5dec32cf236ed7ed61

    • SHA256

      d3d9902cd4bd86b91a7093c58c3a7259a00c5d7fee672123b540aca9ca55e704

    • SHA512

      700f390f0e3de76de843cc48b6f90acb77b03bacf2b5941ed05493ce14b992479f98e8827656ca35f40ef0576fe452eab728c99ed3c88c0085f0bfb38d077111

    • SSDEEP

      3072:ig6nXHTSMyxWxVIkvfG5fJK7NpkXbL6XiDUqN16ZVdzCthvAEijAumv7s8CJBcUy:4nNywR4Y7NpyHaE12zshvAhEfkjMPRD

    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks