Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16-06-2024 15:15

General

  • Target

    bitcomet_setup.exe

  • Size

    2.5MB

  • MD5

    2f9281010bf12890403934bdb517c2c4

  • SHA1

    6e822864dd45fa4a09d29b6e0dc5906dbf96e3d1

  • SHA256

    7ccef9af5267c22a56bdbaf2f9109a02611bba461e0b0321bed42b5911163272

  • SHA512

    725ea7e7a262d0bc7f75a9f3c24aa1290827198b9146b784d57d984c9cccc7feaa38d8fa6200793bcd226b4da9461e894f728b89c6f94157202b586468de1335

  • SSDEEP

    49152:eBuZrEUGmrsuyh3kw8bgyjvpnLw7vhzDd0Ua7AqKwd40Lp8Hg/9RQTMVG5V:YkLGmY338ZvpnLoxD6ATwdxYg/4I47

Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 8 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\Temp\is-FTO1B.tmp\bitcomet_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FTO1B.tmp\bitcomet_setup.tmp" /SL5="$30142,1633941,874496,C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"
      2⤵
      • Checks for any installed AV software in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    342B

    MD5

    61f24cc65ec71b907e11b184d9b7250f

    SHA1

    cc3d9307049e9f661af65e3763d0ccdda59302ec

    SHA256

    61c1d07b1fd5dce18d27b7c5cb83a6e07a042ef7275fe8710f6acf1fc33b0c99

    SHA512

    a40f38caa4cd5f45c13ff20ce6dbb7a91a8e3e14f30e357c9a19e37ff7c02b3dce5d32ca7e36876720ef536445d0ec278fa0f5d0394582e270a2b47f91676414

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    89062e588e6caed5b3d222a30494ed4a

    SHA1

    63868e3f5fa433704bc6bcae82220dda0945c23f

    SHA256

    297a2dcf7938f0759233d80b43eb38c28f502f80c9e755031841392e749645a9

    SHA512

    cf8df4a35995b389d379d0253936685ff9c57fb58329ff5645c11a5c86dfddcf7815367285cf2ed9eeeeaf305abb3ba46e6e40b6b5da4fbd3bae82d36e68b692

  • C:\Users\Admin\AppData\Local\Temp\Tar38E1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\is-FTO1B.tmp\bitcomet_setup.tmp

    Filesize

    3.1MB

    MD5

    4f0ef46de64a97f2f8fcdf189068244d

    SHA1

    e251fd9a7a56526b623e087c50d767c96844de2b

    SHA256

    a462faeab6713e66c2c870b873fad186e5b5351d853a0d5432a9edd3311ac032

    SHA512

    b56b665305199e3a44b10ae9d1710685b3f4bb5ecff6ee77bc6aa743d48528d91f88fa1853daf99f4a0fb652102d6a313a2f61102eed61d3558545cf527fc1dd

  • \Users\Admin\AppData\Local\Temp\is-QMNJ0.tmp\zbShieldUtils.dll

    Filesize

    2.0MB

    MD5

    b83f5833e96c2eb13f14dcca805d51a1

    SHA1

    9976b0a6ef3dabeab064b188d77d870dcdaf086d

    SHA256

    00e667b838a4125c8cf847936168bb77bb54580bc05669330cb32c0377c4a401

    SHA512

    8641b351e28b3c61ed6762adbca165f4a5f2ee26a023fd74dd2102a6258c0f22e91b78f4a3e9fba6094b68096001de21f10d6495f497580847103c428d30f7bb

  • memory/2620-8-0x0000000000400000-0x000000000071E000-memory.dmp

    Filesize

    3.1MB

  • memory/2620-161-0x0000000003750000-0x0000000003890000-memory.dmp

    Filesize

    1.2MB

  • memory/2620-163-0x0000000000400000-0x000000000071E000-memory.dmp

    Filesize

    3.1MB

  • memory/2960-0-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2960-2-0x0000000000401000-0x00000000004B7000-memory.dmp

    Filesize

    728KB

  • memory/2960-162-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB