Analysis

  • max time kernel
    92s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 18:40

General

  • Target

    OASIS AIO TOOL/OASIS AIO TOOL/adb.exe

  • Size

    816KB

  • MD5

    b16c4b8a4215ad7c9c012c7e9375af3e

  • SHA1

    b4d67ed6ecf5af7b487c59770cb7ec9f12e6760c

  • SHA256

    14ab5941dbc67eda143b082c80318e3606ba54d964267c1175ce728cce885a31

  • SHA512

    43a6b0477342460fa3cf0517a925eb7e160b0c2f63a6be19d4d4cf0f7f693aed0838e8ab4906f9fea33a9083d4dce6dd59f9c578b9774838ae93b50d96ded95f

  • SSDEEP

    12288:+5KIVNAIOlVvllPhcjpGsv6cViTIlZThJCmG11RuMYRO2fJpUGpdmTfFnIY:+5KYALlvlPyjpGo6cMTI7bqYaTfFnIY

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\OASIS AIO TOOL\OASIS AIO TOOL\adb.exe
    "C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\OASIS AIO TOOL\adb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Users\Admin\AppData\Local\Temp\dhAcrH.exe
      C:\Users\Admin\AppData\Local\Temp\dhAcrH.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:2132
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0f264b5d.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\k1[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0f264b5d.bat

    Filesize

    187B

    MD5

    18476042292054417e0807a8199eaed4

    SHA1

    509f7f76da05d9ba3e1a519d85af9fd2a201a107

    SHA256

    30ced5f55b58676eb0f08b6b57cd5ff7b9eb01e0b4d8171a1fc299f3f61fc3c0

    SHA512

    91de60285cbfc32347ba05d9a97c303c4ccb536ab12ff62ec53dcc2ea03de2d54e5357808f8444705e6a95a601eecf00a9426a44d69c424c4ea7fb1b31e140f7

  • C:\Users\Admin\AppData\Local\Temp\3487261B.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2132-4-0x0000000000D70000-0x0000000000D79000-memory.dmp

    Filesize

    36KB

  • memory/2132-48-0x0000000000D70000-0x0000000000D79000-memory.dmp

    Filesize

    36KB

  • memory/3420-0-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/3420-30-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB