Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:46

General

  • Target

    d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe

  • Size

    2.3MB

  • MD5

    f54ce082767d70bd520310215390c78c

  • SHA1

    4cf16188274125f6f4c52a3ebbf50b4ffe725609

  • SHA256

    d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141

  • SHA512

    7c378cb5109b1d8af9d70ecbf0b860ed71619d63633015e578229702c7ce8116096c6b3c49c0a9804eae6f17692ca85784a1fc5d63b5f55294fda4ecfb413a82

  • SSDEEP

    24576:1i2Tro2H2HESq2eWJ6MQjySjyQEjnvytHEBxrBhk0c:1xTc2H2tFvduyS7Ejnv+gxO

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 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 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2168
      • 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\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2548
    • C:\Users\Admin\AppData\Local\Temp\HD_d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe
      2⤵
      • Executes dropped EXE
      PID:2912
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:2748

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

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

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

    868KB

    MD5

    98f4ce46f6c74b8d9d402279880d1b8a

    SHA1

    8f5a2bc7893e912d5fff74b55ea9bf5eaf06fafc

    SHA256

    864a453f5aa2ea4b33ade9f552b02a1875a2cfcc2a6c99ff5e64547620f79e0c

    SHA512

    6d147ebc0ca141e25d4153f85f546f30e9e8c45d1659db9e37f88c31dde41661984d509ad44af0b41c5ecd359b829bb53534b7fbb2a3b3056422725dee960314

  • \Users\Admin\AppData\Local\Temp\HD_d6d053b7189f5197984a9816030c2abf18e97af0a3f7d6c8a2d300f0cb5f0141.exe
    Filesize

    1.5MB

    MD5

    fa648648c64a9fddf19b21652813b0a5

    SHA1

    21260f9f51ccd99ef9746f92ed17e0029655a5f0

    SHA256

    4d416349b00e1c1948082e3c0923fb654a4cf24f648ea3b56ae40fa39360ef8a

    SHA512

    6b6635f5fa904138dbd5d111bc9d463de23fe49947758deae8c116068e2d0cf138b2382320b8f21d810a02b46819b74ee1300b03800aba8102905e383731bca4

  • \Users\Admin\AppData\Local\Temp\RVN.exe
    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/2168-11-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2168-14-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2168-15-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2168-13-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2168-25-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2684-24-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2684-29-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2748-34-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2748-37-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2748-39-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB