Analysis

  • max time kernel
    66s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 10:20

General

  • Target

    2025-01-02_032418f22e2fe2c27a1b4cb388ecc35d_smoke-loader_wapomi.exe

  • Size

    36KB

  • MD5

    032418f22e2fe2c27a1b4cb388ecc35d

  • SHA1

    06c539196971f8ce7a9d860cbb16441a93009a64

  • SHA256

    52452e75f96d2ba070ba482ca83c10c9c4f0657a2d79666cc8e4375a3796630f

  • SHA512

    78863edf99367873d75f79f18a2572fda7709b3f17a56babda22db00ffa9cdbecda682b1de82a3aebea2c58baefda53d9dd3160e1e4bcbb5fd7cc42f09f2f16a

  • SSDEEP

    768:aA+m41HKUpOv068E4Mf4MMRt4MtV2n5mBQGPL4vzZq2o9W7GsxBbPr:aA+m6qqOcVEP87T2n5mmGCq2iW7z

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-02_032418f22e2fe2c27a1b4cb388ecc35d_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-02_032418f22e2fe2c27a1b4cb388ecc35d_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\JRxvpJL.exe
      C:\Users\Admin\AppData\Local\Temp\JRxvpJL.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3dcf5958.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3dcf5958.bat

    Filesize

    189B

    MD5

    a2fd1e5bc2454651817fb6a62804162e

    SHA1

    30f6811e823cc40d99c7b92adb63b61b4e3e5244

    SHA256

    bdef88f5f3f6cddb5158eb2619a5f49197710c60cb62b15172e2380c26c33a40

    SHA512

    0624104849f68c43bd997ecb868d16c86ba56bae8e9a14b660da758ff28fbf9bd58e158f02af71ec1f1d324e5afbdbf5f1fb3cca632c9818993500171b08ee69

  • C:\Users\Admin\AppData\Local\Temp\69D814D4.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • \Users\Admin\AppData\Local\Temp\JRxvpJL.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2804-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2804-4-0x0000000000360000-0x0000000000369000-memory.dmp

    Filesize

    36KB

  • memory/2804-14-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2804-15-0x0000000000360000-0x0000000000362000-memory.dmp

    Filesize

    8KB

  • memory/2904-11-0x0000000000360000-0x0000000000369000-memory.dmp

    Filesize

    36KB

  • memory/2904-16-0x0000000000360000-0x0000000000369000-memory.dmp

    Filesize

    36KB