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Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2023, 19:42

General

  • Target

    74260ae8ee8337a52c71c8ef927c2efa4b067fca174f7ae5f56d0a67dd882423.exe

  • Size

    9.0MB

  • MD5

    83410c203b78886dbaf17891a59d42c5

  • SHA1

    f52fcb2ef8b9bc67cff9f56d54a9919a841072d5

  • SHA256

    74260ae8ee8337a52c71c8ef927c2efa4b067fca174f7ae5f56d0a67dd882423

  • SHA512

    18baf7b8cf503617ae7968f73197363346739c848b70982c23b8d3e117389e5c39b1fa00baff61e1442c936dfdcd3f4ac81d3329778e7b871c3491a3b8c10545

  • SSDEEP

    196608:60FEzsFqfCZPyF4yog1TEwA4oWfKKw8/hwtXVqrYGsQA059bGILFncoQiEepkM+M:QoYCZaF4y5Ed1cK8hwtRHQA059tCepkC

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 15 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74260ae8ee8337a52c71c8ef927c2efa4b067fca174f7ae5f56d0a67dd882423.exe
    "C:\Users\Admin\AppData\Local\Temp\74260ae8ee8337a52c71c8ef927c2efa4b067fca174f7ae5f56d0a67dd882423.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
      "C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe" --conf-path="C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf" #--save-session="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --input-file="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --rpc-listen-port=6288 --listen-port=6388 --dht-listen-port=6390 --enable-rpc=true --rpc-allow-origin-all=true --disable-ipv6=false --rpc-secret=123 --enable-dht=true --enable-dht6=true --dht-file-path="C:\Users\Admin\AppData\Roaming\Downloader\dht.dat" --dht-file-path6="C:\Users\Admin\AppData\Roaming\Downloader\dht6.dat" --bt-external-ip=154.61.71.51 --stop-with-process=3960
      2⤵
      • Executes dropped EXE
      PID:3624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf

    Filesize

    55KB

    MD5

    be2848313251cc4bdc3f4d83fbb678ee

    SHA1

    1e43738b25f0abcb6288e12b7e8d01b3e8666e8a

    SHA256

    35a633ec422857ce9d27f0e6b948d8b871af90c0430754bdd3f7ca70970e866d

    SHA512

    7093a99574544973a2c4ea9abebeefdb8b463bb42514a5d06dc29bff6cdd34381f10e394f79a8a5af1b27b86b5a31a71a48e569a2c76a20d4f982a5df61b3932

  • C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe

    Filesize

    4.8MB

    MD5

    a5c047f169471bd325552c255d6c04af

    SHA1

    e313cff2f3d668ec5d0e90920bd622b0f38aed9d

    SHA256

    cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

    SHA512

    6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

  • C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe

    Filesize

    4.8MB

    MD5

    a5c047f169471bd325552c255d6c04af

    SHA1

    e313cff2f3d668ec5d0e90920bd622b0f38aed9d

    SHA256

    cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

    SHA512

    6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

  • C:\Users\Admin\AppData\Roaming\Downloader\libcurl.dll

    Filesize

    759KB

    MD5

    b8d07f6ebe3d5473fa6e5c4aa3670bd6

    SHA1

    0300e9767e9ebe8f7ba88beea16e08c51549ea86

    SHA256

    927b9c233435dcde129586d0be8351c165adbc2d35bfb63d9b557abe8dc10703

    SHA512

    866a67e890456fd7b94d3d55b293a124053c75a56c7ef3d646329ec8ab300c365b319ab09daad81644a13a17803a663a426e0a4b78761082ae0b6ab590886efd

  • memory/3624-171-0x0000000000400000-0x00000000008CE000-memory.dmp

    Filesize

    4.8MB

  • memory/3960-167-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-169-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-141-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-147-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-148-0x0000000074360000-0x000000007451F000-memory.dmp

    Filesize

    1.7MB

  • memory/3960-150-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-154-0x0000000006260000-0x000000000627A000-memory.dmp

    Filesize

    104KB

  • memory/3960-149-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-139-0x00000000060A0000-0x000000000615E000-memory.dmp

    Filesize

    760KB

  • memory/3960-140-0x0000000005FB0000-0x00000000060A0000-memory.dmp

    Filesize

    960KB

  • memory/3960-138-0x0000000002D70000-0x0000000002D8A000-memory.dmp

    Filesize

    104KB

  • memory/3960-163-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-164-0x0000000002D70000-0x0000000002D8A000-memory.dmp

    Filesize

    104KB

  • memory/3960-165-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-166-0x0000000074360000-0x000000007451F000-memory.dmp

    Filesize

    1.7MB

  • memory/3960-133-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-168-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-142-0x00000000060A0000-0x000000000615E000-memory.dmp

    Filesize

    760KB

  • memory/3960-170-0x00000000771A0000-0x0000000077290000-memory.dmp

    Filesize

    960KB

  • memory/3960-134-0x0000000010000000-0x0000000010116000-memory.dmp

    Filesize

    1.1MB

  • memory/3960-172-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-175-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-178-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-179-0x0000000074360000-0x000000007451F000-memory.dmp

    Filesize

    1.7MB

  • memory/3960-181-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-184-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-187-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-190-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-193-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-196-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-199-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-202-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-205-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-208-0x0000000000400000-0x0000000000E7D000-memory.dmp

    Filesize

    10.5MB

  • memory/3960-209-0x0000000074360000-0x000000007451F000-memory.dmp

    Filesize

    1.7MB