Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 05:29

General

  • Target

    eac27f773d364b92fed8f6a500eb7781e1dbb10b32b1fab7ebe42742376b874e.exe

  • Size

    9.4MB

  • MD5

    7505f2bfe8e8b7efa77e2ec304717cb3

  • SHA1

    d0bfae8116b142e7302d4b1cc6a437fd15c7d00e

  • SHA256

    eac27f773d364b92fed8f6a500eb7781e1dbb10b32b1fab7ebe42742376b874e

  • SHA512

    0f152e4f7acec15458245f86434745234e63ec3c5ebe10de34a00b73acd7b11fc71eb651a527affc2da9c1732f9a25e6dc118116b955f000263151e080cdb310

  • SSDEEP

    196608:2quoQmFmbnnGPJC3y/3uj16VLxnbbN4l0yqXWf63iyiWeJiZ6ND:DQamznIb3qmLX4qXWciyeX

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eac27f773d364b92fed8f6a500eb7781e1dbb10b32b1fab7ebe42742376b874e.exe
    "C:\Users\Admin\AppData\Local\Temp\eac27f773d364b92fed8f6a500eb7781e1dbb10b32b1fab7ebe42742376b874e.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt
      2⤵
        PID:1592
      • C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
        C:\Users\Admin\AppData\Local\Temp\aow_dr.exe
        2⤵
        • Executes dropped EXE
        PID:4396

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\aow_dr.exe

            Filesize

            13KB

            MD5

            b5dd2ad618694048355e2e3c396d7860

            SHA1

            bceaf75cf61c51bf711cd9180d95d30355a99578

            SHA256

            5ff4970bd69b9f541ae61a56be0d87436ce6258ca87ffcea16b9bb4767846e91

            SHA512

            d1a01f35f84b1b3fde339d351a101bac8826365a26c597dfa76397d72a6378a89c43b64718ef71694cfa814b40e12309b5b31f47721301c6d7d9ca1497fb66ec

          • C:\Users\Admin\AppData\Local\Temp\aow_dr.exe

            Filesize

            13KB

            MD5

            b5dd2ad618694048355e2e3c396d7860

            SHA1

            bceaf75cf61c51bf711cd9180d95d30355a99578

            SHA256

            5ff4970bd69b9f541ae61a56be0d87436ce6258ca87ffcea16b9bb4767846e91

            SHA512

            d1a01f35f84b1b3fde339d351a101bac8826365a26c597dfa76397d72a6378a89c43b64718ef71694cfa814b40e12309b5b31f47721301c6d7d9ca1497fb66ec

          • C:\Users\Admin\AppData\Local\Temp\dr.dll

            Filesize

            288B

            MD5

            797f63a1da1c2177cde767eaf392689f

            SHA1

            5378489b4f3b77a00e6e770b6add48f2145f839c

            SHA256

            cba7cc202a99e4699deb3d6a9f840713b700a09fc03391a0ffd82a3def81c607

            SHA512

            d3f57682cbd970e4f8c85058ab438a92c0c9400d4c25b7986b247fdf5395dd80422781ddf7aa98c3f51db028866606c33425d52736f1d07df2905231764416e2

          • C:\Users\Admin\AppData\Local\Temp\ÏêϸʹÓÃ˵Ã÷.txt

            Filesize

            1KB

            MD5

            a84add5fa56d9791dbb5300e1938538a

            SHA1

            ee5510d9f21b8975af2b2a656be25f358b753b7d

            SHA256

            137cbdceee790d4166945d3c62080fa5145458769cd7bc44616b4fb799b44144

            SHA512

            e09d38e1413b9aa031cceb9fd5b14ca36a728e8115b0de8476161c8549f742cc00e7a3728475e8fffe65bbfafde01bfe788aca859d73552cadfd4f54d9c1dd4f

          • memory/4732-3-0x0000000001CB0000-0x0000000001CB1000-memory.dmp

            Filesize

            4KB

          • memory/4732-5-0x0000000003480000-0x0000000003481000-memory.dmp

            Filesize

            4KB

          • memory/4732-6-0x0000000003490000-0x0000000003491000-memory.dmp

            Filesize

            4KB

          • memory/4732-7-0x00000000034A0000-0x00000000034A1000-memory.dmp

            Filesize

            4KB

          • memory/4732-4-0x0000000003470000-0x0000000003471000-memory.dmp

            Filesize

            4KB

          • memory/4732-0-0x0000000001780000-0x0000000001781000-memory.dmp

            Filesize

            4KB

          • memory/4732-2-0x0000000000400000-0x00000000015B1000-memory.dmp

            Filesize

            17.7MB

          • memory/4732-1-0x0000000001C80000-0x0000000001C81000-memory.dmp

            Filesize

            4KB

          • memory/4732-21-0x0000000000400000-0x00000000015B1000-memory.dmp

            Filesize

            17.7MB