Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 18:40

General

  • Target

    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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\adb.exe
    "C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\adb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Users\Admin\AppData\Local\Temp\dhAcrH.exe
      C:\Users\Admin\AppData\Local\Temp\dhAcrH.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\6cb31e14.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\6cb31e14.bat

    Filesize

    187B

    MD5

    01753c0872a1885de8537f600ddfdebd

    SHA1

    d36bef273597a5b7bde7457b1d22c651a840f5c7

    SHA256

    f770fbe17201fec005f9b06ce8365d3dbca85f04d6abb51228c385067cb4c1e3

    SHA512

    3d4a7787e235cface54025b206c5eba7f5308629a0b8cc309933375e85bb2756095026eb74ad8af88f4c771d1aef5219eeb3085a7fbbc26d63bb95ed2f9922e9

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2156-24-0x00000000011D0000-0x00000000011D9000-memory.dmp

    Filesize

    36KB

  • memory/2504-0-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/2504-4-0x0000000000350000-0x0000000000359000-memory.dmp

    Filesize

    36KB

  • memory/2504-10-0x0000000000350000-0x0000000000359000-memory.dmp

    Filesize

    36KB

  • memory/2504-14-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB