Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 10:24

General

  • Target

    2025-02-02_99057baf624c7547ae3176cd0b61a736_smoke-loader_wapomi.exe

  • Size

    60KB

  • MD5

    99057baf624c7547ae3176cd0b61a736

  • SHA1

    3c5dc36b7b8b8504927270ee5a4ef05ed323c887

  • SHA256

    6468f753d87d7b396bcd0f9fcc1615b0dc72c02f16fac4d6fb96d01677956f88

  • SHA512

    659ddf63feff5e9bb3575f6b3e5beeee02ab820cf7087d1bf3b0337dc70b3fd9066b2b0cdbf1ba1a1fa2cf941b1789c4090f3a53d5eee965e5352e7eb722b2dd

  • SSDEEP

    1536:N1cLoeEGIfdTpu8ttB9vsIBwWZHJzMGCq2iW7z:LeEtpxR9kW5JoGCH

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++.

  • Detected Nirsoft tools 2 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • 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
  • UPX packed file 3 IoCs

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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-02_99057baf624c7547ae3176cd0b61a736_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-02_99057baf624c7547ae3176cd0b61a736_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\Tlqoqj.exe
      C:\Users\Admin\AppData\Local\Temp\Tlqoqj.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\7bc60c46.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LPQ313RR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2E4669B1.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\7bc60c46.bat

    Filesize

    187B

    MD5

    942f2e035a6e6b75362f2bc05bcf3a13

    SHA1

    1096363e993b6df7246d7f78c6aa19d1c9abcd7e

    SHA256

    d5e38d758cf6def7a80806dd46eb444c50bac9c3dd37fb9217cd90537ed272b4

    SHA512

    2b7b7fd437e3813783ec709c275ec010caed71784f4d6e8190a9351a5392c119ffb757ff0be6fa15d2259b1355231f54bbb8d6fca947e7a5c9a8b585b341dadf

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1720-38-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1720-9-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1720-4-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1720-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1720-39-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1720-46-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1720-48-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1908-12-0x0000000000A70000-0x0000000000A79000-memory.dmp

    Filesize

    36KB

  • memory/1908-36-0x0000000000A70000-0x0000000000A79000-memory.dmp

    Filesize

    36KB