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Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 04:01

General

  • Target

    2025-01-21_1fb60f730b16713971c33275fbbdac64_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    1fb60f730b16713971c33275fbbdac64

  • SHA1

    e960f810d5728eaa7d395a2b619c22e766fde92a

  • SHA256

    ed36bb930767c675721dbf70c59c74f4ac71d41dfefcfa464d85ae11b38d081b

  • SHA512

    b986144c4f34f03fc2b3bfdfeb772472fa68dfd5a18fa67aa30c45274588fdd970df8719226c5758028d8758dc756cc262254cbea62333150ead881ef2911baf

  • SSDEEP

    1536:Yg/6/tM8NXDjPX0QWlfGMckTQPqGCq2iW7z:Hk3U8kTQCGCH

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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-21_1fb60f730b16713971c33275fbbdac64_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-21_1fb60f730b16713971c33275fbbdac64_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\njgXFM.exe
      C:\Users\Admin\AppData\Local\Temp\njgXFM.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:2800
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1444488f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1444488f.bat

    Filesize

    187B

    MD5

    0e3d0199dabe3324889d87531f0a9f88

    SHA1

    2e89e8d73b0a9ca3e2da18e0ef6e2b0c7e6cf4cb

    SHA256

    231b03d8221ddf3bdfc364ab86197bd126b027ce031703770b328156fa4094c8

    SHA512

    d6295a9d4bff5674483e583e5643d249425ac5bf69fbe48977d08954b5849c824dbb5d3aa7ca1d7b8b8ee584536e6152b525c94f3cd2c9de999cc29ec7edaa4a

  • C:\Users\Admin\AppData\Local\Temp\6E2F6E84.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1840-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1840-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2800-6-0x0000000000260000-0x0000000000269000-memory.dmp

    Filesize

    36KB

  • memory/2800-46-0x0000000000260000-0x0000000000269000-memory.dmp

    Filesize

    36KB