Analysis

  • max time kernel
    110s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-02-2025 14:47

General

  • Target

    335e4239c7b8891cf36c3ba9305d53a3d4381176e2e5244391a74090efdbab44N.exe

  • Size

    538KB

  • MD5

    5ac28f0df6b68d5e86915c332e748030

  • SHA1

    99c85a3dd44202adad7c6986b76188629d844dfe

  • SHA256

    335e4239c7b8891cf36c3ba9305d53a3d4381176e2e5244391a74090efdbab44

  • SHA512

    8f5cb777e345d43817efeaa3f106fb97af86c738488de57ba63caf90d52223d4f2cf5f02771983e28b83d1c157d0de85aa89717f4efef39eda0d783beb8a5364

  • SSDEEP

    12288:xrMIztyCK5x8CBmn+RrNbEyWYa0Ie1vUxjV:HZyCA8CBmn+RrNj9ay5G

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++.

  • Downloads MZ/PE file 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\335e4239c7b8891cf36c3ba9305d53a3d4381176e2e5244391a74090efdbab44N.exe
    "C:\Users\Admin\AppData\Local\Temp\335e4239c7b8891cf36c3ba9305d53a3d4381176e2e5244391a74090efdbab44N.exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\jHuFgC.exe
      C:\Users\Admin\AppData\Local\Temp\jHuFgC.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2120
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDk4MzY2OTgzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\RCXC0DF.tmp

    Filesize

    538KB

    MD5

    3467bd43592dfdb519b3592f1b09d1a7

    SHA1

    95249322e2b8c5d16f10038771d9bcbc6ff80563

    SHA256

    76c4fb78c731837a2853622c8c96ed203c885449b2fe431c59afe3602d690bd8

    SHA512

    5ac6597a1070ab989e0b3e55c9b9b6762aafa189d36661b956746c2ce7d82b4baec6dfcea8901f9fa8de9c46b7b9d7d658b6b43c19b5cd6665b3fc61abdaab64

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

    Filesize

    31KB

    MD5

    880e7c2f84fbbb3aac55baaf806b8b3c

    SHA1

    bda6eafc8c2ebfdf2c4a90076ff1225f115bd370

    SHA256

    c92a25c02b9fab10fc95c5aa812d6486521e74b0ef764435010f22f188924900

    SHA512

    3829ef2fd1374e6e8979e5b63fb79e32c01109ebd3ae167f0301704557979317ee5f28387225c160a3299c3e1f26148316c6a31392b0444b94305a6c8d535271

  • C:\Program Files\Java\jdk-1.8\bin\gjavaws.ico

    Filesize

    4KB

    MD5

    38b41d03e9dfcbbd08210c5f0b50ba71

    SHA1

    2fbfde75ce9fe8423d8e7720bf7408cedcb57a70

    SHA256

    611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5

    SHA512

    ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9

  • C:\Program Files\Microsoft Office 15\ClientX64\gIntegratedOffice.ico

    Filesize

    4KB

    MD5

    3ea9bcbc01e1a652de5a6fc291a66d1a

    SHA1

    aee490d53ee201879dff37503a0796c77642a792

    SHA256

    a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c

    SHA512

    7c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501

  • C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\gmisc.ico

    Filesize

    4KB

    MD5

    fc27f73816c9f640d800cdc1c9294751

    SHA1

    e6c3d8835d1de4e9606e5588e741cd1be27398f6

    SHA256

    3cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05

    SHA512

    9e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4

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

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\7BD75FAE.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2120-5-0x0000000000BA0000-0x0000000000BA9000-memory.dmp

    Filesize

    36KB

  • memory/2120-278-0x0000000000BA0000-0x0000000000BA9000-memory.dmp

    Filesize

    36KB

  • memory/4804-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/4804-0-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4804-276-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4804-279-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB