Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 07:53

General

  • Target

    0162b9646481939bfadca3f7c88175a1fa3a22cf13d34b04905ff350c4310684.exe

  • Size

    13.4MB

  • MD5

    cf941555a37a8e746db60544ca4b61a1

  • SHA1

    cf097b6731d0544772bd5a4595b54c11b631d3ea

  • SHA256

    0162b9646481939bfadca3f7c88175a1fa3a22cf13d34b04905ff350c4310684

  • SHA512

    4ededa1eeb05a96f0c8621049426a419cc3815d0ab22aa1994c257bb922ac44cf16c9ac743af6e0ba2fd0f647e701aa0e7b0605840a346dd280ed29deef8a851

  • SSDEEP

    393216:8u1LuYwYuYgu1LuYwYuYIu1LuYwYuYgu1LuYwYuYb:/

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 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 data under HKEY_USERS 8 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0162b9646481939bfadca3f7c88175a1fa3a22cf13d34b04905ff350c4310684.exe
    "C:\Users\Admin\AppData\Local\Temp\0162b9646481939bfadca3f7c88175a1fa3a22cf13d34b04905ff350c4310684.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 5 & Start c:\windows\fonts\eibhcsy\bijuoqx.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2088
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4840
      • \??\c:\windows\fonts\eibhcsy\bijuoqx.exe
        c:\windows\fonts\eibhcsy\bijuoqx.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1216
  • \??\c:\windows\fonts\eibhcsy\bijuoqx.exe
    c:\windows\fonts\eibhcsy\bijuoqx.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1324
      2⤵
      • Program crash
      PID:216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4860 -ip 4860
    1⤵
      PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Fonts\eibhcsy\bijuoqx.exe

      Filesize

      13.5MB

      MD5

      f3427bf8198d4fdcfde811d2bec729c6

      SHA1

      0077a2048854dd82c462ac99a9e38b01a8a8c512

      SHA256

      3a89b50d7e72251d51ecd562d76869d0b67ddb26e178f70fc99a4c483c63141d

      SHA512

      d78a87390eb5ed7a67529c025dba03551b728018a3ec01d0956614f376c5a3f711fc68a9562f52964d3b1f3523009db944571581d571e144645eab131a1000ab

    • memory/1216-8-0x0000000000400000-0x00000000004AB000-memory.dmp

      Filesize

      684KB

    • memory/1676-0-0x0000000000400000-0x00000000004AB000-memory.dmp

      Filesize

      684KB

    • memory/1676-4-0x0000000000400000-0x00000000004AB000-memory.dmp

      Filesize

      684KB