Analysis

  • max time kernel
    149s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 23:22

General

  • Target

    2025-02-01_81b09f869abfbe97b335cf30bfab35c4_smoke-loader_wapomi.exe

  • Size

    3.2MB

  • MD5

    81b09f869abfbe97b335cf30bfab35c4

  • SHA1

    5c25b6f6b8f6d95256634f42b1182d740ab9ea69

  • SHA256

    f1513638f27dbef989b971e747181c330b52535a90f0dff671140fe92d9a051d

  • SHA512

    d63e5505c1e104e1ef9d7d67cb6f3577f60e03d6aadd5a4c2dbcdd8cd24e12664d8d784cbb992085118092860310d7d6648dfae5b919b3266a3031b1491772eb

  • SSDEEP

    24576:x7X9ZnkBaAowFmVOjICqdeTSotoA010F/FYtDcLzWsV6qLEs2CHzZcteCrQP1eI:9TnkXoymVerOtovrmsdCv+

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.

  • Modifies registry class 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-01_81b09f869abfbe97b335cf30bfab35c4_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_81b09f869abfbe97b335cf30bfab35c4_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\gQvCdZ.exe
      C:\Users\Admin\AppData\Local\Temp\gQvCdZ.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:1064
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\253b399c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VRCM2OTE\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\253b399c.bat

    Filesize

    187B

    MD5

    1d50a84c98825b440a389d4e0c4f0b16

    SHA1

    e5321d746bf348de86c2daf59ff4fcc936d59c9d

    SHA256

    75fb39f04e2042dd72f9e5da97e03abf2aa14c95db7ce3998c44631e8000e944

    SHA512

    56c91b3f2aeb0bcdf1016c9f76a56bde8430d80ce911ad2b03f6e232cdf3b890351914c2d664f0ceb080847dc83bb316ce3f105d0a5d3f75f7e349e99068b03c

  • C:\Users\Admin\AppData\Local\Temp\45FF7412.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1064-5-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

    Filesize

    36KB

  • memory/1064-46-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

    Filesize

    36KB

  • memory/3724-0-0x0000000000400000-0x000000000082C000-memory.dmp

    Filesize

    4.2MB

  • memory/3724-48-0x0000000000400000-0x000000000082C000-memory.dmp

    Filesize

    4.2MB