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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/01/2025, 20:24

General

  • Target

    2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe

  • Size

    208KB

  • MD5

    4d37381b13904f93f2f932cf1d2422fb

  • SHA1

    4b8e90748351e2b7453e607d9511559172cd5576

  • SHA256

    5345e0a311537cbc92670e86d5df3b92ca60662ee1da2cd2561fff8fdf66de1e

  • SHA512

    06b97f5fff2bbea1cc5b260defd020d9a2f466bdac2a458653d6a83408a078a5173d9302deb59bd99954b9539188b2eff39602a2f23682e338d38fb3bf958cdd

  • SSDEEP

    3072:7Jw8KYg5zA5GsMYSxSJiN/vGss9kTBf9pAXAtPOYQwOGCH:7035iMhL/vGsbTBl2wOsn

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\LxXcJG.exe
      C:\Users\Admin\AppData\Local\Temp\LxXcJG.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\4ca80e40.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4ca80e40.bat

    Filesize

    187B

    MD5

    7248e757ed06514695e617676a1dae5d

    SHA1

    041da8a38ad3eb8d07881500f194ead0a905c3ff

    SHA256

    4dedb1a2c495a503c91c4d96b7a9004c155261526c81198c3c12c32b7d35c2fe

    SHA512

    e142160fa77990cd6586842b19c8bb3a0de05403f11ae236d8c526a9b93ea3fdbb46fd8a4fd999d97f6d695f2b91dde64232b845b4d902b495bd19f2349ffde3

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2208-0-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2208-11-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2208-10-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2208-25-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-12-0x0000000001120000-0x0000000001129000-memory.dmp

    Filesize

    36KB

  • memory/2732-23-0x0000000001120000-0x0000000001129000-memory.dmp

    Filesize

    36KB