Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2023 10:08

General

  • Target

    63a2713a64448b_JC.exe

  • Size

    4.6MB

  • MD5

    63a2713a64448b4af1d9dc21e8e2dc28

  • SHA1

    7c398594fbf6b79f2da596ae56ffc58c22ef6bde

  • SHA256

    9db1e417ef82f93ef236661be788588a452dc31aa84c0374ed2384d3012915f9

  • SHA512

    14781b1ab038e0ffa2002d6001d5fb2f484bdebe20555096404e13e8c691b124cd2a824af138dafffdeda1253fabbfb510864bc70a173bc85a37a0d5e7534177

  • SSDEEP

    49152:nm6cNG+IkQmMASeMVE7nodtegbcrfoFeCvXqz53wJWqj2N3AJJ//A:m6cNrIk9MA5Ggnitegbc+eCkEGN

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63a2713a64448b_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\63a2713a64448b_JC.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 976
      2⤵
      • Program crash
      PID:5080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1484 -ip 1484
    1⤵
      PID:1272

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1484-134-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/1484-136-0x0000000000400000-0x00000000008F3000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-137-0x0000000000400000-0x00000000008F3000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-138-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/1484-139-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/1484-140-0x0000000000400000-0x00000000008F3000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-141-0x0000000000400000-0x00000000008F3000-memory.dmp

      Filesize

      4.9MB