Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 22:41

General

  • Target

    e548bbe7c3646eee409ba30466ecf5ed75c74699808fa98718d713709962062a.exe

  • Size

    12.0MB

  • MD5

    d2f051fd1240fce1abc7eca751a4799e

  • SHA1

    692b8434d3ec483d722e27bfba0b3178a7da4e2e

  • SHA256

    e548bbe7c3646eee409ba30466ecf5ed75c74699808fa98718d713709962062a

  • SHA512

    f8be5979a2ec5e50872f884250f472a7e34715bb7f3800267e68f188bd39347ab166cfc62756e540a64ca194f1ca68c91e63506d46663878d77eea3481b3a857

  • SSDEEP

    49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zCFTCTMqQ:s/KU9/pyJx9Y5ele0T

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e548bbe7c3646eee409ba30466ecf5ed75c74699808fa98718d713709962062a.exe
    "C:\Users\Admin\AppData\Local\Temp\e548bbe7c3646eee409ba30466ecf5ed75c74699808fa98718d713709962062a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\zZxVFN.exe
      C:\Users\Admin\AppData\Local\Temp\zZxVFN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\4fb86cc6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1C1C31E3.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\4fb86cc6.bat

    Filesize

    187B

    MD5

    86c3eeca40cbea5a3048c48d2b43712e

    SHA1

    cc884749a0c1349716ddac87b504c0642ebcbbe8

    SHA256

    bbb0a071acd987deafa390e97d98e8173611983c61f055cabc38d9fdfa28b45d

    SHA512

    f7bef75d7aa386bbd45d5e2a48a1fa2c9d1953e86c085b9126c0d8155a804affc78638278f779891e911d2f5a17bea4ffafd7272a2ade2fe8c2f85ed27bff363

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/580-54-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/580-9-0x00000000008A0000-0x0000000001501000-memory.dmp

    Filesize

    12.4MB

  • memory/580-13-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/580-11-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/580-15-0x0000000000690000-0x0000000000790000-memory.dmp

    Filesize

    1024KB

  • memory/580-55-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/580-52-0x00000000008A0000-0x0000000001501000-memory.dmp

    Filesize

    12.4MB

  • memory/580-53-0x0000000000690000-0x0000000000790000-memory.dmp

    Filesize

    1024KB

  • memory/2688-12-0x0000000000B80000-0x0000000000B89000-memory.dmp

    Filesize

    36KB

  • memory/2688-50-0x0000000000B80000-0x0000000000B89000-memory.dmp

    Filesize

    36KB