Resubmissions

31/03/2023, 23:03

230331-21x8kseb87 7

31/03/2023, 23:01

230331-2zxwesfe6t 1

Analysis

  • max time kernel
    26s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31/03/2023, 23:03

General

  • Target

    FileZilla_3.62.2_win64-setup.exe

  • Size

    11.4MB

  • MD5

    579bb096d23e81d7acea4f09ae1a5f20

  • SHA1

    70d466914d392a0a2c06d8ed62882ec5a71f54bd

  • SHA256

    ef3c2dfbe13aeef9d04bf6faebec26b97d614e52f24c63955bf7d36543253e07

  • SHA512

    9596496e8200bb8d314503ddad973304a48461b8dcb052912d5d068d3877172ee1d57f53556b3807cd6df4c875babf1393f9a2b2bd1c8e6a9d9b37ba971ee656

  • SSDEEP

    196608:jWc8gUVaVHNOSYJ6pbitQaE+mUqbsP47XyRBVKhure3XIY1XssQgooVoo/7kU7Mh:jWcyaVwSq6pbQ3EgPUCzVwuKFXsERooi

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FileZilla_3.62.2_win64-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\FileZilla_3.62.2_win64-setup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsj28B9.tmp\System.dll

    Filesize

    12KB

    MD5

    564bb0373067e1785cba7e4c24aab4bf

    SHA1

    7c9416a01d821b10b2eef97b80899d24014d6fc1

    SHA256

    7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

    SHA512

    22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

  • C:\Users\Admin\AppData\Local\Temp\nsj28B9.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nsj28B9.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    98ff85b635d9114a9f6a0cd7b9b649d0

    SHA1

    7a51b13aa86a445a2161fa1a567cdaecaa5c97c4

    SHA256

    933f93a30ce44df96cbc4ac0b56a8b02ee01da27e4ea665d1d846357a8fca8de

    SHA512

    562342532c437236d56054278d27195e5f8c7e59911fc006964149fc0420b1f9963d72a71ebf1cd3dfee42d991a4049a382f7e669863504c16f0fe7097a07a0a

  • C:\Users\Admin\AppData\Local\Temp\nsj28B9.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    48f3e7860e1de2b4e63ec744a5e9582a

    SHA1

    420c64d802a637c75a53efc8f748e1aede3d6dc6

    SHA256

    6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156

    SHA512

    28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583

  • \Users\Admin\AppData\Local\Temp\nsj28B9.tmp\System.dll

    Filesize

    12KB

    MD5

    564bb0373067e1785cba7e4c24aab4bf

    SHA1

    7c9416a01d821b10b2eef97b80899d24014d6fc1

    SHA256

    7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

    SHA512

    22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

  • \Users\Admin\AppData\Local\Temp\nsj28B9.tmp\System.dll

    Filesize

    12KB

    MD5

    564bb0373067e1785cba7e4c24aab4bf

    SHA1

    7c9416a01d821b10b2eef97b80899d24014d6fc1

    SHA256

    7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

    SHA512

    22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

  • \Users\Admin\AppData\Local\Temp\nsj28B9.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • \Users\Admin\AppData\Local\Temp\nsj28B9.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    98ff85b635d9114a9f6a0cd7b9b649d0

    SHA1

    7a51b13aa86a445a2161fa1a567cdaecaa5c97c4

    SHA256

    933f93a30ce44df96cbc4ac0b56a8b02ee01da27e4ea665d1d846357a8fca8de

    SHA512

    562342532c437236d56054278d27195e5f8c7e59911fc006964149fc0420b1f9963d72a71ebf1cd3dfee42d991a4049a382f7e669863504c16f0fe7097a07a0a

  • \Users\Admin\AppData\Local\Temp\nsj28B9.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    48f3e7860e1de2b4e63ec744a5e9582a

    SHA1

    420c64d802a637c75a53efc8f748e1aede3d6dc6

    SHA256

    6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156

    SHA512

    28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583