Analysis

  • max time kernel
    109s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:28

General

  • Target

    bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81.exe

  • Size

    128KB

  • MD5

    bd4b0a5bb039e6d4a4a2e9ec9460a46e

  • SHA1

    40dd6334c5a77763e388aa22551fe6cff79d66ab

  • SHA256

    bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81

  • SHA512

    7dad94e84a1c48a82ecbd925e52e5f409f8547119a827ab1d46a1e333a3eca643bddea8ca80b4f1921d3b22cceda19b40cf28cfe197cd6d259cef91ce3f6fd28

  • SSDEEP

    1536:C+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE6whdYpY6RDXCDMmjs2pxSPq:5ROzoTq0+RO7IwnY6w7DZ6/HGCH2

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++.

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • 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 5 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81.exe
    "C:\Users\Admin\AppData\Local\Temp\bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4084
    • C:\Users\Admin\AppData\Local\Temp\mseul.exe
      C:\Users\Admin\AppData\Local\Temp\mseul.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:5000
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\34e56bf4.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1804
    • C:\Users\Admin\AppData\Local\Temp\bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81Srv.exe
      C:\Users\Admin\AppData\Local\Temp\bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81Srv.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3616
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3616 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:220
    • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Program Files (x86)\Microsoft\DesktopLayerSrv.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayerSrv.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            PID:1964
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4516
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4516 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    128KB

    MD5

    c8c15e8ec3023d00a8e8dd097d69e860

    SHA1

    26ab885bd15ad8ee174b94c13a2b0bfdf36289f5

    SHA256

    4be5fbb396096daf3ca50b11ae732113787ca43256904369b12cd97246a43cda

    SHA512

    2ed6a29630a4a3a7a191dc5d59079702c0fef1047ec4939ec376201cb3dbd64be5ededa48fa4a111519b1f3973025372e66fb3103c16d85b3448acfab55bcfcc

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    128KB

    MD5

    bd4b0a5bb039e6d4a4a2e9ec9460a46e

    SHA1

    40dd6334c5a77763e388aa22551fe6cff79d66ab

    SHA256

    bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81

    SHA512

    7dad94e84a1c48a82ecbd925e52e5f409f8547119a827ab1d46a1e333a3eca643bddea8ca80b4f1921d3b22cceda19b40cf28cfe197cd6d259cef91ce3f6fd28

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    043565b7c83bfd884eb1fde2e7ccdcc5

    SHA1

    1a3239dfa9752084ed7465130943c5d912df308d

    SHA256

    80a1700dd6e600a6b8fa4a0f2a118778c903d2966690103d7e582407fb447126

    SHA512

    1c987485aed7cbe03747cb28f035f799c78b48781991da89a09462e190b2aff3ec1eae0ba0c8a6be9cedde19387b4ed95394ca9d01dac24632aa48f8a3e22257

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    f96a9b7886fbafb948de26862207209e

    SHA1

    6ed9a4e040a6fb882457b7c0a1b45737e77e43bc

    SHA256

    3c7a25bb332589ecf80106c97455936c750c04892a79628f773177dc811aeeb2

    SHA512

    98de39b38d27f4cddc2795401873d84e029fe02cd6d9eef714e33e1f618cf957cc057140521f02cbc0e3ea9af54d36d84e7feae5202ce47c1477706aadee3ecd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    f27ffb27e12c4791eaf8b12f3d2fecfe

    SHA1

    04b58798222bd9f8f81a7f8edceecf7db69bb899

    SHA256

    2a3f0e64f28a119a107b3ddc6019f348932f3660574a00de40fee85590a56f8c

    SHA512

    89c40a6f02ace847a00c415a6ed16b01561174c8524833aea334d58881f4ca2770b490ccae2f3f091c1cdb68c941937e63a397e5a9f5ff7c11050e0517ceaffa

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3681F458-B432-11EF-B9D5-E24E87F0D14E}.dat

    Filesize

    4KB

    MD5

    e0f31d2f9ddaceb2dfca8ff95f4be629

    SHA1

    beaf88ce978b45af1199041b46b98d1cba3bf208

    SHA256

    4d51428a5ff63df60a5e14b2fbb587a1ba1d9acbf55e590d5b16fef4b0b132cb

    SHA512

    cc748bf5942e5806e23372754a15994c03e9761033d63d26595fa38f875f2f3e352a7385e00757610bb256817ac094b7c693fb910d16df23004c016ae055e0ee

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{36891B6E-B432-11EF-B9D5-E24E87F0D14E}.dat

    Filesize

    5KB

    MD5

    7b253e38019c9b4bb70aa11f81140c74

    SHA1

    661afaa1ac9a3dff2057fb62d5ef2d0cc4d9d2c6

    SHA256

    4a450da8c46a8a29d5eea9e629f736fcf477a7616213acaab2bb6e43fb901ac2

    SHA512

    3abc3df3bbd1523f354808be373c326b91add1c111a75e420b90e4c06b68aa28ef55f19109fae35775cfe1431333392cd8dc1e27c5cbf2d7bd19df2521c4a9bd

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFE55.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\0FCC4CFC.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\34e56bf4.bat

    Filesize

    185B

    MD5

    fe757ca2edcecd3f18e2e38e64dda817

    SHA1

    e2843625922960528192a721f0bd41a7876a3fbd

    SHA256

    16d293a6cafd5a7009ce790386b8f3717429c186e787f5b28ab89d494747707d

    SHA512

    b837b9e00566b5796e2ad8c2797870368f96f7cca201dcf6a2b3a80bc9cb02abc6f0840c06ac2474b5cc1260e26c55afa6b0ad26bf5e835b790358a3d4733c52

  • C:\Users\Admin\AppData\Local\Temp\bdf83a97175f2d99a9408f829c7958bc0c66b34867b6cfaffbda9b4a42b1ff81Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/212-33-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1156-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1156-20-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1156-27-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/2204-38-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2204-40-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2204-37-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/2204-35-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4084-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4084-0-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4084-11-0x0000000000450000-0x000000000045F000-memory.dmp

    Filesize

    60KB

  • memory/4404-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4404-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4404-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4404-24-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/5000-67-0x0000000000660000-0x0000000000669000-memory.dmp

    Filesize

    36KB

  • memory/5000-4-0x0000000000660000-0x0000000000669000-memory.dmp

    Filesize

    36KB