Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 15:50

General

  • Target

    e944bb6130cb8e81649d7c275425fd5b4b031b55ce88812e853f572eeb5a8773N.exe

  • Size

    737KB

  • MD5

    ab10fe0f21b0c7da97312d09adee77e0

  • SHA1

    d263d40be73cc5ff251989ca0ac8fdc1851de5ea

  • SHA256

    e944bb6130cb8e81649d7c275425fd5b4b031b55ce88812e853f572eeb5a8773

  • SHA512

    fed531870f45042be05f02c6fe83e49a8235422b2373ddde44b9267fc52af9a5870cc6a60b6ee21255371687f6c6fb87a9a6ee970851322b77d43b6f9e9b0adc

  • SSDEEP

    12288:vyR+lBVQkfhdtxTL2Tb78vC64fU5TOkU3ObbQSkhtzUdvRFVwEmg4A+aMoS:qR+bVTfhzxv2H4vg+yk5bb3kgfv/2

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e944bb6130cb8e81649d7c275425fd5b4b031b55ce88812e853f572eeb5a8773N.exe
    "C:\Users\Admin\AppData\Local\Temp\e944bb6130cb8e81649d7c275425fd5b4b031b55ce88812e853f572eeb5a8773N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\xjrGUO.exe
      C:\Users\Admin\AppData\Local\Temp\xjrGUO.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\2f713a18.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K0PVW9XR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2A7B0115.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\2f713a18.bat

    Filesize

    187B

    MD5

    520f1bb96d9f63a8cf2af3074e0dce2e

    SHA1

    4ce2a853dd35fe9d3bb500d27282482ac290239e

    SHA256

    a0b201c5430ce4a09b7ed97e654672db4840b238e49c7394ed004ffba18bbb72

    SHA512

    941b5ca2ab24b1467b015660986f71675e019e75b83b64dd6dd0ee0a516ec92ea5805f6ebe625e4d5ec9929b077312f8b9e7a9c64d49ddf6beadf74853eaa928

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2140-11-0x0000000001190000-0x0000000001199000-memory.dmp

    Filesize

    36KB

  • memory/2140-48-0x0000000001190000-0x0000000001199000-memory.dmp

    Filesize

    36KB

  • memory/2544-0-0x0000000000400000-0x0000000000708000-memory.dmp

    Filesize

    3.0MB

  • memory/2544-9-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2544-5-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2544-50-0x0000000000400000-0x0000000000708000-memory.dmp

    Filesize

    3.0MB

  • memory/2544-59-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB