Analysis

  • max time kernel
    150s
  • max time network
    145s
  • 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 01:09

General

  • Target

    f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe

  • Size

    502KB

  • MD5

    53b2152d90d00bf07558939da85fff18

  • SHA1

    60d4bb6e3e30d2cd180099839ce942e152c67b71

  • SHA256

    f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7

  • SHA512

    0f7bfa8064fc09b3bf6c98b78164dd5a65c2edad3067163346f02cde1b84eab39ab6ca4b400ce611990c07598ffc4009a8294bc31c4480e005da094b1af90525

  • SSDEEP

    12288:gIy9vIieKNH6zQ+fXFv8oP9i5mEmogAFWIHaXr3HTKz+AHbf:gv9Ailsz/h9ZElVH6r05T

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 30 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe
    "C:\Users\Admin\AppData\Local\Temp\f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\UCZNeR.exe
      C:\Users\Admin\AppData\Local\Temp\UCZNeR.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:4292
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6636780c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\40C1625E.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\6636780c.bat

    Filesize

    187B

    MD5

    fe1e8ca59842c748e2ccc975096c4516

    SHA1

    59d3f76c472696878621c753db082df438258b8b

    SHA256

    f1f319677514c672d8a4b64c2ef64960dfb1e7fbef6d5e9c8c3af15a94cc2ccf

    SHA512

    e768904c40ae11c47c548dfed8a5525be7838b8eea9a84d9e11589819aa9d39a956757862432a3502c2f1ef8fa9b2040eb8b46af7702ee547ae093afaba5e32b

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2792-40-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-9-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-51-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-48-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-46-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-0-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2792-38-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-37-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-35-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-33-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-29-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-25-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-23-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-21-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-19-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-52-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-8-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-31-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-28-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-17-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-15-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-13-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-11-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-45-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-7-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-101-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2792-100-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2792-94-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2792-95-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2792-97-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/4292-4-0x0000000000820000-0x0000000000829000-memory.dmp

    Filesize

    36KB

  • memory/4292-92-0x0000000000820000-0x0000000000829000-memory.dmp

    Filesize

    36KB