Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 15:22

General

  • Target

    2025-01-05_d82a980ee6db919c1690f05a45296ae3_smoke-loader_wapomi.exe

  • Size

    89KB

  • MD5

    d82a980ee6db919c1690f05a45296ae3

  • SHA1

    86f78aa7a2f50e7c8207838a0acdc2ffeddae8e9

  • SHA256

    c4b6e077dc15c835cb22bac9d2e8ea69eb104066766e496a88c7a095f494a6f8

  • SHA512

    a65674d5e7dfd7dc9c8f0d94bdce6d80217c18c20f294faff1f6cc9b104c6baff80a5ca93c9870b6f2b9a18fac1af3587c568856f26cc54ec59a72d75160e791

  • SSDEEP

    1536:KMcrVadgJZ69WxVz7MW/UXVue/mSDb4kAGCq2iW7z:ncr8dgAy57elue/mSDbQGCH

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.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-05_d82a980ee6db919c1690f05a45296ae3_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-05_d82a980ee6db919c1690f05a45296ae3_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\Temp\sQHZeL.exe
      C:\Users\Admin\AppData\Local\Temp\sQHZeL.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:4344
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1b973263.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1b973263.bat

    Filesize

    187B

    MD5

    fffe4a37cbc2736748740aeb564f02c4

    SHA1

    5e295a6457e70d7542e7a674966d800921265e61

    SHA256

    2d18c559e3e325e05b055084a2f43a12fbe65a55aa85c24ae06e082d72ee38c1

    SHA512

    6c54f7edb028b54de5cca355c809e2aa3f8f1528132fb9003e3fa9757e54b17178bd27ba636e6eee078bdd1953474920e3fd716b0206097819bfefa2b55a0e55

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3108-0-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3108-7-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4344-4-0x0000000000970000-0x0000000000979000-memory.dmp

    Filesize

    36KB

  • memory/4344-8-0x0000000000970000-0x0000000000979000-memory.dmp

    Filesize

    36KB