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Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2023, 21:16

General

  • Target

    47e4049d4fd30cb355508cc14c75c62e466c2a5d7f4819f0463222052a481494.exe

  • Size

    9.1MB

  • MD5

    4cc73f1da6f934d0499f4667c8b55fc2

  • SHA1

    cbeb85f195c29acd5aaabe71146f243eb714e7ea

  • SHA256

    47e4049d4fd30cb355508cc14c75c62e466c2a5d7f4819f0463222052a481494

  • SHA512

    f5c985e82a9734180f70e59bc681dd3c51a3f38bbcc60f3f42e662e30d4e515417776c850285a07338a86e99877e8c0b4a56fd0237c2e779876843353cfa4f1a

  • SSDEEP

    196608:8XlNay8qZLRzb/qTK51WokAVdMHUlwbmAhMpWx1WnVKI4p8tleAKRKUd4/9DGzb6:M3xzb/q251WOMkwbmAdx1WVl4pu4AxVX

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 3 IoCs
  • UPX packed file 25 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47e4049d4fd30cb355508cc14c75c62e466c2a5d7f4819f0463222052a481494.exe
    "C:\Users\Admin\AppData\Local\Temp\47e4049d4fd30cb355508cc14c75c62e466c2a5d7f4819f0463222052a481494.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2536
    • 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=154.61.71.13 --stop-with-process=2536
      2⤵
      • Executes dropped EXE
      PID:2628

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

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

    Filesize

    4.8MB

    MD5

    a5c047f169471bd325552c255d6c04af

    SHA1

    e313cff2f3d668ec5d0e90920bd622b0f38aed9d

    SHA256

    cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

    SHA512

    6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

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

    Filesize

    4.8MB

    MD5

    a5c047f169471bd325552c255d6c04af

    SHA1

    e313cff2f3d668ec5d0e90920bd622b0f38aed9d

    SHA256

    cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

    SHA512

    6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

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

    Filesize

    759KB

    MD5

    b8d07f6ebe3d5473fa6e5c4aa3670bd6

    SHA1

    0300e9767e9ebe8f7ba88beea16e08c51549ea86

    SHA256

    927b9c233435dcde129586d0be8351c165adbc2d35bfb63d9b557abe8dc10703

    SHA512

    866a67e890456fd7b94d3d55b293a124053c75a56c7ef3d646329ec8ab300c365b319ab09daad81644a13a17803a663a426e0a4b78761082ae0b6ab590886efd

  • memory/2536-85-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-108-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-64-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-62-0x00000000035A0000-0x00000000036B0000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-68-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-70-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-71-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-69-0x0000000000E90000-0x0000000000EAA000-memory.dmp

    Filesize

    104KB

  • memory/2536-76-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-61-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-60-0x0000000002760000-0x000000000281E000-memory.dmp

    Filesize

    760KB

  • memory/2536-59-0x00000000003D0000-0x00000000003EA000-memory.dmp

    Filesize

    104KB

  • memory/2536-55-0x0000000010000000-0x0000000010116000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-83-0x00000000003D0000-0x00000000003EA000-memory.dmp

    Filesize

    104KB

  • memory/2536-84-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-54-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-86-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-87-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-88-0x0000000075970000-0x0000000075A80000-memory.dmp

    Filesize

    1.1MB

  • memory/2536-127-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-90-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-93-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-96-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-97-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-99-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-102-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-105-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-106-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-63-0x0000000002760000-0x000000000281E000-memory.dmp

    Filesize

    760KB

  • memory/2536-111-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-114-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-117-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-120-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-123-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2536-124-0x0000000074A10000-0x0000000074BCF000-memory.dmp

    Filesize

    1.7MB

  • memory/2536-126-0x0000000000400000-0x0000000000E84000-memory.dmp

    Filesize

    10.5MB

  • memory/2628-89-0x0000000000400000-0x00000000008CE000-memory.dmp

    Filesize

    4.8MB