Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 20:49

General

  • Target

    38aff101950bdcd57b3c6bed385ec9cfe87ce8ab5e6a2107c6f8fb7201ff0613.dll

  • Size

    4.1MB

  • MD5

    693ea4b1b7c421ee707e2d40735aef51

  • SHA1

    2c95c0b57eb863b1b663c6c1ad2dd3661f3929a0

  • SHA256

    38aff101950bdcd57b3c6bed385ec9cfe87ce8ab5e6a2107c6f8fb7201ff0613

  • SHA512

    1196adc262ca67d528dbda7ddd705479658d8d6aea62cd6025e0a7660fa1d7e4612bde2ecd6b198a84e743a54c140345723ad0b4e0ebb60c90af595802e41a85

  • SSDEEP

    98304:CjkhoyDYt7LfE00POzxk43H5rqe0jB6S451bKNnot/W3U:MkMlfEak43HB04S45lJN

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
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\38aff101950bdcd57b3c6bed385ec9cfe87ce8ab5e6a2107c6f8fb7201ff0613.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\38aff101950bdcd57b3c6bed385ec9cfe87ce8ab5e6a2107c6f8fb7201ff0613.dll,#1
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 824
        3⤵
        • Program crash
        PID:3832
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4344 -ip 4344
    1⤵
      PID:1224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

      Filesize

      8.4MB

      MD5

      8b6c94bbdbfb213e94a5dcb4fac28ce3

      SHA1

      b56102ca4f03556f387f8b30e2b404efabe0cb65

      SHA256

      982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

      SHA512

      9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

    • memory/4344-0-0x0000000010000000-0x0000000010A12000-memory.dmp

      Filesize

      10.1MB

    • memory/4344-7-0x0000000002D60000-0x0000000002D75000-memory.dmp

      Filesize

      84KB

    • memory/4344-6-0x0000000002D80000-0x0000000002DA7000-memory.dmp

      Filesize

      156KB

    • memory/4344-8-0x0000000002D60000-0x0000000002D75000-memory.dmp

      Filesize

      84KB

    • memory/4344-9-0x0000000010000000-0x0000000010A12000-memory.dmp

      Filesize

      10.1MB