Analysis

  • max time kernel
    69s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • submitted
    07-10-2024 16:01

General

  • Target

    f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe

  • Size

    3.3MB

  • MD5

    0b9a92a2425fe74ac85744ef099c3106

  • SHA1

    a4b73fee373cbe6934a5266db3cbef19db38c95b

  • SHA256

    f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71

  • SHA512

    e66988ce9dcffe3742333e1b9e3dfcef056989528c61f21eab1bc9584fcb4764373659ef1f765ce0a488174c2da94de48ca81e24916cfb772d0eb090db2377f4

  • SSDEEP

    49152:MCwsbCANnKXferL7Vwe/Gg0P+Wh8GnsHyjtk2MYC5GD0I:fws2ANnKXOaeOgmh8Gnsmtk2aq

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Detect PurpleFox Rootkit 6 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.

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • 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 9 IoCs
  • Loads dropped DLL 16 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe
    "C:\Users\Admin\AppData\Local\Temp\f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • 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:2532
    • 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:2704
      • 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:2728
        • 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:1760
    • C:\Users\Admin\AppData\Local\Temp\HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\system32\cmd.exe
          "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\F863.tmp\F864.bat C:\Users\Admin\AppData\Local\Temp\._cache_HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe"
          4⤵
          • Drops file in Windows directory
          PID:368
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2996
          • C:\Windows\system32\cmd.exe
            "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\FEB9.tmp\FEBA.bat C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe InjUpdate"
            5⤵
            • Drops file in Windows directory
            PID:1880
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1892
    • 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:2780
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259451658.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2492
    • 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:2872
      • 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:2788
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1652

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\F863.tmp\F864.bat

      Filesize

      3KB

      MD5

      9206f4e63ec8342ee9518b803766bc9c

      SHA1

      63359e3ac929d5f61716536b08a9eb6d6da0f437

      SHA256

      462ecab387bf2fb4351d4ecfe080853167852a233fc6034a7a771f0726d68ee5

      SHA512

      b0c5375b45832802196cb953a4a1b70a336a445f732106beb4b7dd44bce0fe535b1bc872fbf821f1dfbff1a31e3af3a68bd0bd8e944c11d4b67c9f95acc8b1c1

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

      Filesize

      2.6MB

      MD5

      bb3cfb0de3fb19503d7af45a43d292f9

      SHA1

      58726d7feaaadb168b365e71da61d5df1f2f2f0c

      SHA256

      977c69458787b75918a1880df2d510f77564057ace2d2d5fdf00062d2a4183a6

      SHA512

      15eb81aeb991e4c523cafa6a2bfaf0f4527d91c1011286d6630c5e42cb8ff64cc49e3cec50b3d4840a1f17d670f1ada2876d000b6543900a81020d85b50fde29

    • C:\Users\Admin\AppData\Local\Temp\lYbFxpos.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\lYbFxpos.xlsm

      Filesize

      23KB

      MD5

      0bcb12f22580304d714ec7116af4886e

      SHA1

      0b7652cf06ceed12a8fc72d6b3ec10f3fb3df1ea

      SHA256

      6fdacc9cac2951af079ed7c9887481d7361302d2e1271682e1e6473f09082ec3

      SHA512

      e7a317bd905a41e602458304d814b54d9642b32cb47de0ba427d02cfb0773e54c2565e2a784a27cb711d57793e748aa2f4f0cd260e0cac91862b82ae9db60cf9

    • C:\Users\Admin\local settings\temp\zyZKxHz.ini

      Filesize

      1KB

      MD5

      a61e9cb7e0613871bab2f39b6246ebab

      SHA1

      8fbc0b4c4a234cae7360c8f6eae270f576fb0f0c

      SHA256

      f52cc6c093feb97dba71f6351581131bab3b9328ed3d996d35b83cdde1253b67

      SHA512

      a4428b9f4e091aa3fdae166f6266229e38d5062e5a3e0ea3db42919012da1751ea48b67577beed0c5f616b2d3b0b7c45e4419d1f065dbe411d9420282904bc85

    • \Users\Admin\AppData\Local\Temp\._cache_HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe

      Filesize

      51KB

      MD5

      e942e7199a9c47f8c25f46b8c60ed10c

      SHA1

      d2276a49a5cf2b3325bcca48b86aab9d8ff5081e

      SHA256

      943d0471754220117fc43bea6e7f9ad4c3d926d7890eda049996e497a8cae4db

      SHA512

      543db9cc68defd8e20f2f582bedca3b4d0f50cd7ca7d81dde1c40bbb8ef860b2a6d76c9f1d8eadd4f3512a8e8bafe88268572fb1a3b5f08a86ffaf995bae78e9

    • \Users\Admin\AppData\Local\Temp\HD_f940b4e14901718a09625d6c1c4b95d7b9b59a1bba54dae4108871a2e559db71.exe

      Filesize

      805KB

      MD5

      2fcb6b0ee4dcc7afde9bc32d8248a608

      SHA1

      22c62802d2327ad101585ce2716215dab71278d1

      SHA256

      fd390793a345bae8c4d832c91b46a72125c99c243a13a762a2e9cf9a8313a88e

      SHA512

      719f5dd91360ec093e49f7c989de24de0c3a0a5d349a33782d16c8b5952065f4c2a321e27977164e98321fc802d5c9e2b73a49d982e028319182fd2ea95a11aa

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Users\Admin\Desktop\StartExpand.exe

      Filesize

      2.9MB

      MD5

      58360b0f1d4c73db7dc66b5fe0568d12

      SHA1

      6d5511c7788a5e8ef4ecf1212a09313a119753c7

      SHA256

      a5e7c782513f0b05a70b095576489582562b4bab3158289fe6510cea5ac99cf7

      SHA512

      e7bbfd2787b05aad7e905018e31fe12693486a3b8dde81a6c767916b11dc635c5687a50e3bdb31b594dec6687cc3a082e83de66dc5ede28e51e350a9d5bfa7e8

    • \Windows\SysWOW64\259451658.txt

      Filesize

      899KB

      MD5

      9a94ca2201eca9810f9bd92671f9f239

      SHA1

      3cf537a6774b49816205c569ab580058c1800fe9

      SHA256

      7e36100fe15ac80c98e8dedb7faec7fbb7cf380838000f026bb27bd83d34d4b3

      SHA512

      0b1e4f6a0a34bcdd69ac4828bb1932b354956b4d86c47bc267289100f968c72051960930c9a53d1fbc2db5dbd1bfa37890c2c39b4d7db5eaf22bf43834e0dccc

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/576-154-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/576-114-0x0000000004F50000-0x0000000004F71000-memory.dmp

      Filesize

      132KB

    • memory/576-207-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/576-99-0x0000000004F50000-0x0000000004F71000-memory.dmp

      Filesize

      132KB

    • memory/576-162-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/576-159-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/1652-153-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1652-110-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1680-109-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1680-74-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1680-228-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2704-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2708-85-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/2708-62-0x0000000003950000-0x0000000003971000-memory.dmp

      Filesize

      132KB

    • memory/2788-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2788-56-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2788-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2996-156-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2996-221-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB