Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 20:25

General

  • Target

    2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe

  • Size

    8.1MB

  • MD5

    ab7b33cebe7a718b7db65059477f761c

  • SHA1

    01f5cb01238f5de015834e875fc4eb1a97973185

  • SHA256

    a5979e9e69be7b4e3837b561c1a792c7b0d09678d20dbd4b184db37eda27fc9d

  • SHA512

    b5111bd2ba7e560af51bb5dec56276512191dae0814e0726c46bd394bd0b81f612fbd1d7524eb8ba2284b797d75d7f1b1a6615515d9e9e170e1f7aa8f05ea6f1

  • SSDEEP

    196608:6TOcv7TBNKEsYaRccf/mster2BCoUFWt2X9CkbH5zq3HIR:6qC7Fo3Y+vmQei3KWt2X9hbZzbR

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 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 4 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\CKECJJ.exe
      C:\Users\Admin\AppData\Local\Temp\CKECJJ.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:1244
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1ed56c3f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4028
    • C:\Users\Admin\AppData\Local\Temp\e57702f\2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe
      run=1 shortcut="C:\Users\Admin\AppData\Local\Temp\2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1ed56c3f.bat

    Filesize

    187B

    MD5

    178779b2f740d725a1e5eb2d099163a2

    SHA1

    27bb1bd7aec87cd68328edda262e2608405c67ed

    SHA256

    278d720256e94482c63be324e8eae2b14bd4cfafbfe3c77bc0c9928eb767852c

    SHA512

    f794b77927ee92624814fb038b5adfccac037cd33602940c1776c84ae46d6fff8302d0ef85c02cd2fdf6b5ea280c597105c65111f452f061e33225d21b570ac1

  • C:\Users\Admin\AppData\Local\Temp\20DD19C1.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • C:\Users\Admin\AppData\Local\Temp\e57702f\2024-12-11_ab7b33cebe7a718b7db65059477f761c_smoke-loader_wapomi.exe

    Filesize

    8.1MB

    MD5

    ab7b33cebe7a718b7db65059477f761c

    SHA1

    01f5cb01238f5de015834e875fc4eb1a97973185

    SHA256

    a5979e9e69be7b4e3837b561c1a792c7b0d09678d20dbd4b184db37eda27fc9d

    SHA512

    b5111bd2ba7e560af51bb5dec56276512191dae0814e0726c46bd394bd0b81f612fbd1d7524eb8ba2284b797d75d7f1b1a6615515d9e9e170e1f7aa8f05ea6f1

  • memory/1244-4-0x0000000000700000-0x0000000000709000-memory.dmp

    Filesize

    36KB

  • memory/1244-38-0x0000000000700000-0x0000000000709000-memory.dmp

    Filesize

    36KB

  • memory/1744-0-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB

  • memory/1744-27-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB

  • memory/4992-11-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB

  • memory/4992-26-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB