Analysis

  • max time kernel
    95s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 07:03

General

  • Target

    2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe

  • Size

    215KB

  • MD5

    fd8bd55e7409aff75d2a679da3d3119b

  • SHA1

    874209c68ecb2f20c9c58138b6a016be0c08feb0

  • SHA256

    0e611596a659e76c0d8c8c51bd5ab6b0f242039ff198dba40c1848ba14181c2a

  • SHA512

    3362a7a4e2a3df77a3652044f2b3425f9c8e262462e4a00e4f6a0e16b4197c43410fe262df43aa7fbb9771467cb5b42a1f04092d8ac92d9a45e676b50b090c10

  • SSDEEP

    3072:R666SmGgfYMSLpt690O4EHIsxeqvrvuSUdybQHoAw3MVDdVY3KpGCH:R2SSI60OhHLjv1nt3Ks

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\SiOnHY.exe
      C:\Users\Admin\AppData\Local\Temp\SiOnHY.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\58a90aff.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\58a90aff.bat

    Filesize

    187B

    MD5

    1efb46100a704c8e28d5ca0b9d5fab44

    SHA1

    48de7bed4f8f2cdaad23af143213f9c2b828077c

    SHA256

    e6cd1ba72ac9d41010a9f0168aae42e929c8f47a7da9a3f357e0338679e0b1b0

    SHA512

    35293a8a81515506c3dd62b60392150bc9c51084ea4228b0b61565ce290d6f4731b72b8598dfb37ed5fe6fcdcf2bbfa9b9a4dbd0a6e3fe3328e6e693ddc4c948

  • C:\Users\Admin\AppData\Local\Temp\69594088.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2688-0-0x0000000000370000-0x00000000003AC000-memory.dmp

    Filesize

    240KB

  • memory/2688-6-0x0000000000370000-0x00000000003AC000-memory.dmp

    Filesize

    240KB

  • memory/4088-4-0x0000000000D60000-0x0000000000D69000-memory.dmp

    Filesize

    36KB

  • memory/4088-48-0x0000000000D60000-0x0000000000D69000-memory.dmp

    Filesize

    36KB