Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 23:25

General

  • Target

    2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    37b63a9aa08a645d62157eaffd5e817f

  • SHA1

    040df34f8ae271f22c894ad1f328017697d43584

  • SHA256

    535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e

  • SHA512

    781710122eef555a2507b909561d52b8fe40670226522e87b0cfb6cc68f6aa97739558351319ad04bf7dc3236f37dc28a9a80ac5e26e8897060a6fb46a6b06dc

  • SSDEEP

    1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZXPGCq2iW7z:fhAWJGSCTBf12ZfGCH

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\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\Rlqn.exe
      C:\Users\Admin\AppData\Local\Temp\Rlqn.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:384
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3a585f85.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\19E70E34.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\3a585f85.bat

    Filesize

    183B

    MD5

    48882588d086ca98b0370c1491365003

    SHA1

    124706420b83639bed97c15ca2d74d45840facd4

    SHA256

    94c3fd30fcfb8a7b0de6c19efa8b06eb5df3919de0b7df2e58ade244ea798bd6

    SHA512

    b8695a25c35f4b7c734b499e1053bcab0e6fd08bff8c6382f77fb9e4e664b406cbb1b28221c9fa3d70cc8782ed7ca378e30e84a6848b4afc0c96334e3510dd51

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/384-4-0x0000000000E40000-0x0000000000E49000-memory.dmp

    Filesize

    36KB

  • memory/384-45-0x0000000000E40000-0x0000000000E49000-memory.dmp

    Filesize

    36KB

  • memory/1688-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1688-47-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB