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Analysis

  • max time kernel
    106s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2025, 14:32

General

  • Target

    2025-03-21_59add19371a6b1d9d2b02ffa823bd455_smoke-loader_wapomi.exe

  • Size

    42KB

  • MD5

    59add19371a6b1d9d2b02ffa823bd455

  • SHA1

    3e376c829ec69826ad961cb7bbc4009b2e03e214

  • SHA256

    007e6c48f15655afc5bf3f6e35cae3d93f4ea427c0f3d2f03fe539d8df2aebd1

  • SHA512

    0566b18b1458c81758e846b8f80369fa9f9bf0ec0607524b4ac3b7f8c8fe6d3300c7cb25cb19c667bf686aa712a235641c4ee725695ad8d0a8a62a8742d1e940

  • SSDEEP

    768:5ofFhw9NkRKFqIA4Q0ndmMI15glZBf3D2QGPL4vzZq2o9W7GsxBbPr:WaKK3mM45ghfpGCq2iW7z

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
  • UPX packed file 2 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 use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-21_59add19371a6b1d9d2b02ffa823bd455_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-21_59add19371a6b1d9d2b02ffa823bd455_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\MoQGDPdn.exe
      C:\Users\Admin\AppData\Local\Temp\MoQGDPdn.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:2588
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\606a2aac.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\606a2aac.bat

    Filesize

    191B

    MD5

    442bdf1bb218e57367190233a81b3d6f

    SHA1

    b863a186d3169f5a602d91c78cb2e21f2ac5e063

    SHA256

    00d0d9ba6dab0bec7496cd8792e7f8e6fe1cffd5709e28d15588e146e7aafbce

    SHA512

    eb5848ffaada4374bf8189f8637334cb17a65af4a11c8f789e5d993305af30dda9861be1ce091a3bbdbb7796d936a6380b38b39b546adb9f927428397622b838

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2008-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2008-6-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-4-0x0000000000E70000-0x0000000000E79000-memory.dmp

    Filesize

    36KB

  • memory/2588-9-0x0000000000E70000-0x0000000000E79000-memory.dmp

    Filesize

    36KB