Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 20:11

General

  • Target

    119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe

  • Size

    2.9MB

  • MD5

    871762bfdf4dcff0dc3d1c3d66734e41

  • SHA1

    24c651624523b30f14571123bd0d959d03fabcff

  • SHA256

    119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a

  • SHA512

    add1bc31bdbb69ddb2ef0930c245e168f6fdd948460ebcab1add8aeb9d7d63cf54f1bc095bc27181d420550e39f937b396fd5d8a4e70add05029107becee350f

  • SSDEEP

    49152:LCwsbCANnKXferL7Vwe/Gg0P+WhJwT+sHq8mrwTX:Ows2ANnKXOaeOgmhJwTHHvmrwTX

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe
    "C:\Users\Admin\AppData\Local\Temp\119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2724
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2604
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:2636
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2576
    • C:\Users\Admin\AppData\Local\Temp\HD_119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe
      2⤵
      • Executes dropped EXE
      PID:2792
  • C:\Windows\SysWOW64\TXPlatfor.exe
    C:\Windows\SysWOW64\TXPlatfor.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2704
    • 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:2316

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\HD_119cc69590469b78089fc4cde15d982aef798c04982ef3b34fb50fe40f6f9e8a.exe
    Filesize

    381KB

    MD5

    33b46780b96baf009603b223bf30cabe

    SHA1

    baada5413469d7e2299a2182977cd083e1bea38a

    SHA256

    9508cdbc4cd2350dbff1617343ad88ffbd041e81b51da0726a4202fce344db93

    SHA512

    2b8cb619572ac0a6a6f682ca575070b6c12803415173ef6f05ae0f180293cc5f355f63f857376579a3859a39b10ff46f2baef8d720174eb2eb16aee86c9c1d6a

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

    2.5MB

    MD5

    6598773acd8e0f37f36f2bd286458d9d

    SHA1

    1011ab0448191ea81a7d7611dec3de57b867606c

    SHA256

    de23c9349e88c3de4f7c95124dd0d4040b88f836e48d7638a9cb60981bfb93f6

    SHA512

    8cbfba0e49ea04ec965a3e34d0db92bec74a991f2322b0b36254903cd047c6e79c7329ce77a20007948e91cc9fd27b7e0810e781e48b2895a766c7ec7bc65841

  • \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

  • \Windows\SysWOW64\259400100.txt
    Filesize

    899KB

    MD5

    36612fc5defcfc71bab65594dd215489

    SHA1

    232d2f43c19c148b78ee4dc541856494b0cb1f63

    SHA256

    b3bf2cda00138c30d508be1a6ccf9e50cba52d8cfeb3471a39ba8a20004d722d

    SHA512

    6901d6fef93dc3d0ae78edf3e8aacc4d9705995c787f4a5ccfdcdf2a73e8d9734dc9713daf89f00371585505a764adfd918eecb7d119fbc5747c47a3573adfce

  • memory/2316-45-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2316-50-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2316-49-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2604-13-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2604-32-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2604-16-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2604-17-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2704-37-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2704-26-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB