Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 04:39

General

  • Target

    ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe

  • Size

    15.4MB

  • MD5

    23f87f4db9da43225c083271aefbc337

  • SHA1

    95e0246ad205e61045dea39617bfca2d27f317b6

  • SHA256

    ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2

  • SHA512

    e4813623352478ba195590a7e9c296ead59f193523dffca8197ba77fabe676500ad85e1bd9f849a2081a8776e35733f1264628545666b877bc677d14a708aa65

  • SSDEEP

    393216:UnaetWreNcKL2Drs9LiA+S3jHRNUO0GoU/WhonaC:YcreqKik9+i3jxQhU/6onB

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 13 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\ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe
    "C:\Users\Admin\AppData\Local\Temp\ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\ÖîÉñ´«Ëµ\19306ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe
      C:\ÖîÉñ´«Ëµ\19306ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2764

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\IO0LJX84\errorPageStrings[1]

    Filesize

    2KB

    MD5

    e3e4a98353f119b80b323302f26b78fa

    SHA1

    20ee35a370cdd3a8a7d04b506410300fd0a6a864

    SHA256

    9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

    SHA512

    d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MEFTDE7Q\httpErrorPagesScripts[1]

    Filesize

    8KB

    MD5

    3f57b781cb3ef114dd0b665151571b7b

    SHA1

    ce6a63f996df3a1cccb81720e21204b825e0238c

    SHA256

    46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

    SHA512

    8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

  • C:\Users\Admin\AppData\Local\Temp\1c0dafa2764931e74179a9ab0028cc5a.txt

    Filesize

    12B

    MD5

    2018fad0d562984421a6daedc428d0ec

    SHA1

    f5ef2e251a75b272770ea623cdc99742a5a04a92

    SHA256

    ae8a77c9bca81f3d2883066984a87213b97601be540cd1a7c8fcb8f9996367ad

    SHA512

    4270f94bfa1c0a9e59395a7433614db127d2fcf110c218e8b73b95413b3df358f3a53f5115089e2135935ad3b0eeddc7dd92b649082d8408c867f0ba16c3a5be

  • \ÖîÉñ´«Ëµ\19306ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2.exe

    Filesize

    15.4MB

    MD5

    23f87f4db9da43225c083271aefbc337

    SHA1

    95e0246ad205e61045dea39617bfca2d27f317b6

    SHA256

    ac7cdfc98a9d2ba7fa4b851727156d0aee97336867fcab4a4a00a57e398fafd2

    SHA512

    e4813623352478ba195590a7e9c296ead59f193523dffca8197ba77fabe676500ad85e1bd9f849a2081a8776e35733f1264628545666b877bc677d14a708aa65

  • memory/2764-48-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2764-46-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2764-78-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2764-77-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2764-44-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2764-45-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-0-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-47-0x000000000C810000-0x000000000CD37000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-7-0x000000000091F000-0x0000000000920000-memory.dmp

    Filesize

    4KB

  • memory/2896-43-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-8-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-3-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-2-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-1-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-10-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB

  • memory/2896-9-0x0000000000400000-0x0000000000927000-memory.dmp

    Filesize

    5.2MB