Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 19:38

General

  • Target

    4f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe

  • Size

    15.7MB

  • MD5

    608677ece7519dd4e098a5b654f0f1dd

  • SHA1

    2c20383cbecee5e2b69264cdbbb2cf88b70d20ba

  • SHA256

    4f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f

  • SHA512

    f269e9a1387aae6a1d510476e4fd531b4c7365fdbe49fefc797d1935a98b8aafd5c14f6fe046720220c18184c1d5488bd7108832847ca7681c30cb9ca7dc7988

  • SSDEEP

    393216:gPDPlhEFmyEfXG8odC5g3LhAvxN+I3ryKUA3f20oxtMb:Y9hEUy0R5g3LaWI7s7Zx2

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 15 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe
    "C:\Users\Admin\AppData\Local\Temp\4f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\9SFÓ²ºº¹éÀ´\105974f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe
      C:\9SFÓ²ºº¹éÀ´\105974f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CY2G78MW\errorPageStrings[1]

    Filesize

    2KB

    MD5

    e3e4a98353f119b80b323302f26b78fa

    SHA1

    20ee35a370cdd3a8a7d04b506410300fd0a6a864

    SHA256

    9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

    SHA512

    d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CY2G78MW\httpErrorPagesScripts[1]

    Filesize

    8KB

    MD5

    3f57b781cb3ef114dd0b665151571b7b

    SHA1

    ce6a63f996df3a1cccb81720e21204b825e0238c

    SHA256

    46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

    SHA512

    8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

  • C:\Users\Admin\AppData\Local\Temp\e3f47775e6c2d409a02dfa7be83ffd4f.txt

    Filesize

    15B

    MD5

    f6ddd04260eb789809d1e45231cc2fa9

    SHA1

    1e600f7d76c49ba21c815ace0c71318de3c8fe27

    SHA256

    eb91662de8107835cb670fb4568fd1a30673ab571d341e078ca7d505d52343dc

    SHA512

    f8ee9cf586a18817d4fe67728bfd476cca4d26facfd83a15b7798fc6b3024406591d2f7ca176c2f6a88ecf3edde9f37f476dd36bee063dfd9fa05b8f256f9751

  • \9SFÓ²ºº¹éÀ´\105974f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f.exe

    Filesize

    15.7MB

    MD5

    608677ece7519dd4e098a5b654f0f1dd

    SHA1

    2c20383cbecee5e2b69264cdbbb2cf88b70d20ba

    SHA256

    4f3d11ed3437b294940ab2dae01e2ac9d9a48d4c58498ed59e2f361aac86822f

    SHA512

    f269e9a1387aae6a1d510476e4fd531b4c7365fdbe49fefc797d1935a98b8aafd5c14f6fe046720220c18184c1d5488bd7108832847ca7681c30cb9ca7dc7988

  • memory/2080-8-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-2-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-9-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-10-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-11-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-12-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-7-0x000000000091E000-0x000000000091F000-memory.dmp

    Filesize

    4KB

  • memory/2080-48-0x000000000C880000-0x000000000CDA6000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-3-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-1-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-0-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2080-44-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-45-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-46-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-47-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-52-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-79-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB

  • memory/2464-81-0x0000000000400000-0x0000000000926000-memory.dmp

    Filesize

    5.1MB