Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-02-2025 01:44

General

  • Target

    2025-02-16_c9346b06362dc6cf5d4f246894fc8c37_smoke-loader_wapomi.exe

  • Size

    152KB

  • MD5

    c9346b06362dc6cf5d4f246894fc8c37

  • SHA1

    8c3039ce3a1fd658a4d16ad3f9ece26c855e7783

  • SHA256

    b18f0050d1e5a773538ec5299c4e55f9e396ddddec8b4dc17cc3726812bf6fdb

  • SHA512

    f23538449f98aeca2b6c7c5dea5c5b22a28e217c0f7fa308b59429b5b5d18bebf86215c3a76bc81dbae4bd5fb9bbd9c2abd7ea59fba2f138542c8de0a7625604

  • SSDEEP

    1536:Ekwph3LEMqIskuzEDxqy7N+Uv3UC0rr91yre5r6h9bt7Ec9Eccdk1yq+Me61BW+F:yNqTV8e5r8t7nXAq+MJLWFXz3uGCH

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++.

  • Downloads MZ/PE file 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 8 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-16_c9346b06362dc6cf5d4f246894fc8c37_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-16_c9346b06362dc6cf5d4f246894fc8c37_smoke-loader_wapomi.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\pnOigK.exe
      C:\Users\Admin\AppData\Local\Temp\pnOigK.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:1012
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\384a1285.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3852
    • C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall add rule name = "AnySign4PC" dir=in action=allow program="C:\Program Files (x86)\SoftForum\XecureWeb\AnySign\dll\AnySign4PC.exe" enable=yes
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:1492
    • C:\Windows\SysWOW64\CheckNetIsolation.exe
      "C:\Windows\System32\CheckNetIsolation.exe" LoopbackExempt -a -n=microsoft.microsoftedge_8wekyb3d8bbwe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3952
    • C:\Windows\SysWOW64\CheckNetIsolation.exe
      "C:\Windows\System32\CheckNetIsolation.exe" LoopbackExempt -a -n=windows_ie_ac_001
      2⤵
      • System Location Discovery: System Language Discovery
      PID:468
    • C:\Windows\SysWOW64\CheckNetIsolation.exe
      "C:\Windows\System32\CheckNetIsolation.exe" LoopbackExempt -a -n=windows_ie_ac_122
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2492
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzEyMzg5OTc2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\271B1E9F.exe

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\271B1E9F.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\384a1285.bat

    Filesize

    187B

    MD5

    cb29dab684f506dd859ce155bc5dddb5

    SHA1

    0f5a6017b196610ef18587594243413536b0c761

    SHA256

    23c1d8ce2e53e0e1d629ab1cbb1a53704d9fdb1a260f318d9a8cbae6341c9903

    SHA512

    597b4ccfed672a1c3006898cafd3e076745b322dffb45f62ce06f133f8ccd5ef7bc07363f0c47c0efbc92688a1c9dcf8926b464a9c135335c4f8f24e80f97d12

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1012-4-0x0000000000B10000-0x0000000000B19000-memory.dmp

    Filesize

    36KB

  • memory/1012-25-0x0000000000B10000-0x0000000000B19000-memory.dmp

    Filesize

    36KB

  • memory/4504-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4504-7-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB