Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2024 16:18

General

  • Target

    d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe

  • Size

    3.2MB

  • MD5

    9a3c61df86c424daee504806bb14b49d

  • SHA1

    831cae7baccb88bcc041a43f8a2539b029cc7604

  • SHA256

    d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688

  • SHA512

    af87fa1246005a515f1405a508db87b59e5c50ccc03a4baf22cbb38c3c1e735c12d5d6f45a356e3025406426da4f3342aeeef5596813d78993e9c213df900627

  • SSDEEP

    49152:JCwsbCANnKXferL7Vwe/Gg0P+WhqdA4F8AGG+mgnp6:kws2ANnKXOaeOgmhqNPUmV

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 12 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 6 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • NSIS installer 2 IoCs
  • Modifies registry class 20 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe
    "C:\Users\Admin\AppData\Local\Temp\d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2232
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2564
    • C:\Users\Admin\AppData\Local\Temp\HD_d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Users\Admin\AppData\Local\Temp\keygen.exe
        C:\Users\Admin\AppData\Local\Temp\keygen.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1572
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2712
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259464419.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1496
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:2868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\BASSMOD.DLL

      Filesize

      33KB

      MD5

      e4ec57e8508c5c4040383ebe6d367928

      SHA1

      b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06

      SHA256

      8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f

      SHA512

      77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      2.7MB

      MD5

      bcad10ca5f505b33d00dd172cd4cbe26

      SHA1

      afc28e4fcff0f8259c3ea1527eb38d2ba840bb6b

      SHA256

      6229a0960d57f1d8a89d15fc8f51ba4efc66a3a48c893090d6bd97058f381811

      SHA512

      8addb6a986a34bbdb30df169d48eaddd6de49d933791fb9e27e7f9c88bd8689a957d41ce0b004f2229cecf4a7ad1df9802c2f62efcb23f8afee10bddb96cbd65

    • C:\Users\Admin\AppData\Local\Temp\HD_d38bccf5f566c87affa25ac6db124e9f26735b42a7ef531b4555a1ed5d9e5688.exe

      Filesize

      547KB

      MD5

      13e77ef36e4a1d4ef4195c0f6f5101af

      SHA1

      5e19192dc762b496b68d85ed63a53b0bc10bdf96

      SHA256

      ba8c443e35e4d3d77b617959636d8f5e268788e8d954db4b83713e6f90709559

      SHA512

      8967cf035d79f1d319c5cf39dad66650e888221f786f312c96e2afd9247da7c6894d3d21682638cdc9dda40d5646244f54f787f63b2abe7aa94d5c0008c0c2ce

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • C:\Users\Admin\AppData\Local\Temp\bgm.xm

      Filesize

      53KB

      MD5

      a30878984af33ee69ace5cf8e330b974

      SHA1

      916e9098ad80f3e79502adac42820b1ffbae1eb6

      SHA256

      498eadc5b3d65aaf34b8496954c3362f033297c489d7ef4559cba8890c530171

      SHA512

      f3ddaf6d3b4e12928efe5c167e8d010c858f19d4bf5a9698b4aabe21e53b5762ad667c81bd4e119083b6213bc96869056538dfc6fcdfc8147cfb1f1ea0c2162f

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

      Filesize

      676KB

      MD5

      e7347f21d9f7ace4da3f8ec96a448b97

      SHA1

      26a8742221afa65a08caf93ee71723fbde7aa661

      SHA256

      a0948635cc81f38e5ed40a378a39c889f3e787118f9e85a51dfeef4b8bb7e3e7

      SHA512

      6fe7256a9e13a34434c5ffbff9720526afa17c4ea664189622caf03b721a33b1bccbeb46ca4c00d22b82e572763ff979eac4da7f72a654a7282f351c1dc4a6b7

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Users\Admin\AppData\Local\Temp\R2RIKM2.dll

      Filesize

      79KB

      MD5

      511e942e713956682c1ea73f33a63542

      SHA1

      a6fdada3858cda2608937c668590be3d51869c39

      SHA256

      7f8124c4b402bcdb0a0628447079cafda7755ec17397616b5ce510a98a4f3f07

      SHA512

      b5dc43deff1bc153eb2850b9854db1bc02c34128a75ddec0a1f617d472a0ad5851e940a59fb9a511f9def18c50f0a9c29843b0ca66c5b23b413f407d0b0db429

    • \Windows\SysWOW64\259464419.txt

      Filesize

      899KB

      MD5

      bc7feda6b8598b429a5512ae8976673b

      SHA1

      043e043770382e823c4b01db2e7093be6919da5f

      SHA256

      94e649ecd9b11fb9b9dc4a2eeac7476fede069129678b6f113df98ac8154a947

      SHA512

      9cbcbff16657cb00d39765ba6370c9d665acfe871a064ad8de7ba6bdbb71eeb0676ebf788f668a47b574ac52c4c66661d64264437ccf31f760e4ad5528fce189

    • memory/1572-75-0x0000000006DE0000-0x0000000006DE2000-memory.dmp

      Filesize

      8KB

    • memory/1572-78-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-97-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-96-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-94-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-93-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-64-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-76-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-77-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-90-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-80-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-81-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-83-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-85-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-87-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-88-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/1572-91-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/2736-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2868-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2868-66-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2868-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB