Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2025 05:46

General

  • Target

    d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe

  • Size

    690KB

  • MD5

    35e6aaf1eca60fa4d65188098602a7ea

  • SHA1

    ff1e9a8e3c178a6024501fff2a65b825fddaf0f7

  • SHA256

    d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9

  • SHA512

    629805de5a178dfff6864a662b7486644e385f158c35754c88e6c2f6a873cb50384e83ea8a4dbe14a2223a0f2cf2b9a49bc7509ce62466809c68cb7afa481125

  • SSDEEP

    12288:2sDp2pLNWWstGnb/pbflbrfWsYIzdnqR9OSHuLOj+RH0Djt8t5zyJ9oS:nDALA2NJbrfbxzdnqR9Oguij+6v45z

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Users\Admin\AppData\Local\Temp\EuAZDk.exe
      C:\Users\Admin\AppData\Local\Temp\EuAZDk.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:4284
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\47d655ec.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2B346086.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\47d655ec.bat

    Filesize

    187B

    MD5

    10e8fa8f556ab05ea9158a6c59c77df8

    SHA1

    f4d38ca91775e86f954a040682fe7481f5a2c914

    SHA256

    650d9f2da8be81b4b1eebc308762fc02274d13544a13c13c274358f7c8b23569

    SHA512

    1852a0cd32f5ab368e36d1f39e1d8d1e3892b9acbfb43804ae439bc8e53c4f79d59650594b4ac8f4a7b130b725d1ca143e34e75131b2afa4814b1d396208e4e2

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3520-0-0x0000000000400000-0x000000000056B000-memory.dmp

    Filesize

    1.4MB

  • memory/3520-47-0x0000000000400000-0x000000000056B000-memory.dmp

    Filesize

    1.4MB

  • memory/4284-5-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/4284-45-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB