Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 06:51

General

  • Target

    utorrent_installer.exe

  • Size

    1.8MB

  • MD5

    32710bfba1858421cbf383e6f5c1ad8d

  • SHA1

    313d79259c5936b8705d0fda24ff3cb59758c36b

  • SHA256

    cb0abb633f628eeac47bec9379d698e08b4f281965277703d77fcb548b022496

  • SHA512

    66d9316854f39cafd650d16e6ad02d3eb30e9f9aede455c91d369e94e8db6251e9997f4261dfc7f8f04b0778f6c37e3924b8bdb22e326f42c28808eda71326ef

  • SSDEEP

    24576:uawwKusHwEwSDMnsQMJU/628S04FSq2FKfUbpW7/tumQ1wBRR:OwREDDMkU/6tS0QpYWVumQ1wvR

Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 9 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\is-MSMGE.tmp\utorrent_installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MSMGE.tmp\utorrent_installer.tmp" /SL5="$400F8,854542,829952,C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"
      2⤵
      • Checks for any installed AV software in registry
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    2855bb207349bc4551b58560903b71d1

    SHA1

    0d955b10e06bf62077b98c5ae3d22fe785ab7ca0

    SHA256

    e41b8b0464d745d357a207894f3fda62bf6ac2c4b4285719e196b7c88fc57348

    SHA512

    19a5f6071bbe6dcc42276ce523a1d90a840afb7772f98762f70a99d133cc19a442a9437ce10c969a1dec92680e6dbf540372e42daee5f85fd4e5710aa0f49b49

  • C:\Users\Admin\AppData\Local\Temp\CabF672.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarF684.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\is-I6MM4.tmp\107.png

    Filesize

    70KB

    MD5

    b582d76d71da0734a777fc8376fd0150

    SHA1

    687de4b5b0844bd720619b39c65f9078ae72e7cf

    SHA256

    1ce2b90c05299026d66af72b8d1fbf4c2abdbcbbd03959b8f05986a48f9034c6

    SHA512

    0d9e2680bcf159446704c82c514320f76af962281dd5e5738c6e56b93c900a43bf2fc5cd5792977ae7bee5ca904774ecd0ff95dab7470901997af4fb6a666053

  • C:\Users\Admin\AppData\Local\Temp\is-I6MM4.tmp\108.png

    Filesize

    29KB

    MD5

    0b4fa89d69051df475b75ca654752ef6

    SHA1

    81bf857a2af9e3c3e4632cbb88cd71e40a831a73

    SHA256

    60a9085cea2e072d4b65748cc71f616d3137c1f0b7eed4f77e1b6c9e3aa78b7e

    SHA512

    8106a4974f3453a1e894fec8939038a9692fd87096f716e5aa5895aa14ee1c187a9a9760c0d4aec7c1e0cc7614b4a2dbf9b6c297cc0f7a38ba47837bede3b296

  • C:\Users\Admin\AppData\Local\Temp\is-I6MM4.tmp\109.png

    Filesize

    193KB

    MD5

    7c87614f099c75a0bed6ab01555143dd

    SHA1

    07ab72dc4a1e53e2c62ecccc1221472854d78635

    SHA256

    02335420cb5c2fa33eec48f32706d2353f8b609daaf337458f04a8f98d999a7c

    SHA512

    29b7ce896332ed2a05235645adb963b77920a0a252561684ea9f1f925f69dbcee4685e1b30584c1034a15b7efc18b911902d1ecb41c523cf2552ff23e165bf43

  • \Users\Admin\AppData\Local\Temp\is-MSMGE.tmp\utorrent_installer.tmp

    Filesize

    3.2MB

    MD5

    f1ae90a9f6324a07d39d877fcdf99710

    SHA1

    60a6ff33c3a1e980c529072890a1326b8a56b809

    SHA256

    2de8e11d8d9532ec1c51b30eac3906b38d06109238ba8ae272ec841fa9b42ad1

    SHA512

    1ac279c5d8f2cb403dc10eebb2c753c86ce10757fa3a1a5d59173864e82bfe4f0ed42e4c105ca40d7462f73ea6cea408889ea5bde8543b93d9a0febe0cd05f78

  • memory/2752-143-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-157-0x00000000078A0000-0x00000000079E0000-memory.dmp

    Filesize

    1.2MB

  • memory/2752-134-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-165-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-163-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-147-0x00000000078A0000-0x00000000079E0000-memory.dmp

    Filesize

    1.2MB

  • memory/2752-149-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-8-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2752-153-0x00000000078A0000-0x00000000079E0000-memory.dmp

    Filesize

    1.2MB

  • memory/2752-161-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2752-135-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2752-159-0x00000000008A0000-0x0000000000BD8000-memory.dmp

    Filesize

    3.2MB

  • memory/2756-2-0x0000000000C21000-0x0000000000CC9000-memory.dmp

    Filesize

    672KB

  • memory/2756-133-0x0000000000C20000-0x0000000000CF9000-memory.dmp

    Filesize

    868KB

  • memory/2756-0-0x0000000000C20000-0x0000000000CF9000-memory.dmp

    Filesize

    868KB