Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 22:31

General

  • Target

    8b20cfe86f2ef778461bb0ef34add6703c4bef84eb40f1547585ff515365900c.exe

  • Size

    32KB

  • MD5

    803008f5f087c184df1a3569fbff0321

  • SHA1

    e1a13695ad6a6dca16f89e1951ac6e2fb44e19d7

  • SHA256

    8b20cfe86f2ef778461bb0ef34add6703c4bef84eb40f1547585ff515365900c

  • SHA512

    aaf92024070f52ae9221a7127774411f426ea52ba3447643788a5132e6857fe05d29c57fe61b52662a90bc36ddfa84f6144905d5fc9e72e6ffc728b3ae89f1aa

  • SSDEEP

    768:bQGPL4vzZq2o9W7GsxBbPrnzQGPL4vzZq2o9W7GsxBbPr:cGCq2iW7zjkGCq2iW7z

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

  • Deletes itself 1 IoCs
  • 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 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b20cfe86f2ef778461bb0ef34add6703c4bef84eb40f1547585ff515365900c.exe
    "C:\Users\Admin\AppData\Local\Temp\8b20cfe86f2ef778461bb0ef34add6703c4bef84eb40f1547585ff515365900c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\ZLwljT.exe
      C:\Users\Admin\AppData\Local\Temp\ZLwljT.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\23052e29.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1236
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\56f9120e.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\Uninstall.exe

    Filesize

    31KB

    MD5

    ef933a5d6addd900d355596843a1ab75

    SHA1

    a6ccca15b633527cfdd122dc4d0136478361358c

    SHA256

    aa5511fb4688e864139ba8363a0f97ea57d55831e866cf49124a9cb8c28fba33

    SHA512

    aca16700ad41bf255bd73dffbc48b8f93ba7e7f704622e9f6c78d38bc6fdeec7903f276c005a5256a0d0a5d5e3cae99b73eb0312e0a4fe7d9e1c0a3b7914aa70

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\k1[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\23052e29.bat

    Filesize

    187B

    MD5

    126ea103ef0add0793fa55f1eefeff0e

    SHA1

    2446d69c33d86e5ba4bace9d23e2803cfda119cd

    SHA256

    7a3800096e6ed1de6845b16fea7fc3b77678fe29a0946a00532b82ea8d1926d1

    SHA512

    09cb5fa1c7e3ab6a2a7c180d1c1f94f5963ce463b9f5921e8d472c4c2c89c61e83357678fefb3537cd49899821e64e1a838bacfbcdac8afd3bc31242c830d4ac

  • C:\Users\Admin\AppData\Local\Temp\56f9120e.bat

    Filesize

    303B

    MD5

    394ee855171c4424fc2e8aadbbd1d938

    SHA1

    4293bbbbfbde80ed554a9a0d562fab2f67564ff3

    SHA256

    2c6525a76fbaeffecd576fe5af0fe49392d859a29f528fdbaa132d8504c5005f

    SHA512

    f62a7b1769950b2de1847e0915fac7b6591d1dafaa4b45478e8c44dacbeb8636a792c1a9a8c741e2454b5ef79a4ab9a56c2e18e0779d0e08aecd5857d24a7a8d

  • C:\Users\Admin\AppData\Local\Temp\5FD77639.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1288-12-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

    Filesize

    36KB

  • memory/1288-86-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

    Filesize

    36KB

  • memory/2300-0-0x0000000000CD0000-0x0000000000CDE000-memory.dmp

    Filesize

    56KB

  • memory/2300-11-0x0000000000070000-0x0000000000079000-memory.dmp

    Filesize

    36KB

  • memory/2300-10-0x0000000000070000-0x0000000000079000-memory.dmp

    Filesize

    36KB

  • memory/2300-94-0x0000000000CD0000-0x0000000000CDE000-memory.dmp

    Filesize

    56KB