Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 16:34

General

  • Target

    36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

  • Size

    2.0MB

  • MD5

    0e4400f1aa810eef18a918354d4e1c3c

  • SHA1

    ac19aec93238f1b3ff9d1b6dd439613d0a0ed313

  • SHA256

    36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48

  • SHA512

    899fc0ab42eafeb1a78f4cf1921a046bbde8fa3ea218719d27fb692da6d0ca65c777d4a09292b19bf61736c5c615832b22f2bb9fb061f9dd02e7c2bea1154108

  • SSDEEP

    49152:609XJt4HIN2H2tFvduyS0peoR7yn22ZPItx2apeapelI:7ZJt4HINy2Lkxmyn2XtUvlI

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
    "C:\Users\Admin\AppData\Local\Temp\36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2828
    • 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:1208
      • 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:2948
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4576
    • C:\Users\Admin\AppData\Local\Temp\HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
      C:\Users\Admin\AppData\Local\Temp\HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
      2⤵
      • Executes dropped EXE
      PID:1660
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4688
    • 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:3528
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4680 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1592

    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_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
      Filesize

      645KB

      MD5

      00eae789b0aab1b0fbd23b830fbf1064

      SHA1

      e4e5fd089f6ae17c83f073cf91edc9db8189980d

      SHA256

      7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

      SHA512

      23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

      1.4MB

      MD5

      6318eebd114e27ea9f84e8760f98c0a8

      SHA1

      347ca80095d788952d60f74cb265e5a159bac4d3

      SHA256

      aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951

      SHA512

      e932db35d317538b7dc5934536244f372e0c84ea158b7a08b64e1f87fd1d982893d61a1093a5dad980fa503b098b071060f27a4d55b3317d18e768ebe1b622f3

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

      1.7MB

      MD5

      d650f8593154a6a67a27048992b299ab

      SHA1

      e5c1a0f23def87f1df0b2f046ad739d1511946ea

      SHA256

      f7418dba66565bee8c4760fcabd0f9190584173be64f77c428cd5541937c3085

      SHA512

      32f1cd12c86102a2b4903bf895315d2160b31c2e0d20c60f5da85cfe696a6edf3943262e8117e7e9b2fdd502d10c51e6fe045c19bb3d2b3a28a5a43412f9f692

    • C:\Users\Admin\AppData\Local\Temp\RCXB2A6.tmp
      Filesize

      1.3MB

      MD5

      91cc235efc195e4e1637ec2efd883444

      SHA1

      81ec9fe58998992d0b91828d05c14bb7fa9a7318

      SHA256

      9c02268622de254f4cb7144ea002765b28e76507d2d51c3058708d4a4318c5d6

      SHA512

      799056fb4bf595bcbf0e920bcd9c15ad24680762eefbab9735d4daa1572e70865dd4cc5bd6b5d2c7d5952b2650547bbdb49685203d77d127ce2869b1977617ff

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

      377KB

      MD5

      80ade1893dec9cab7f2e63538a464fcc

      SHA1

      c06614da33a65eddb506db00a124a3fc3f5be02e

      SHA256

      57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

      SHA512

      fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

    • C:\Users\Admin\AppData\Local\Temp\X.ico
      Filesize

      69KB

      MD5

      e33fb6d686b1a8b171349572c5a33f67

      SHA1

      29f24fe536adf799b69b63c83efadc1bce457a54

      SHA256

      020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

      SHA512

      cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

    • memory/1208-34-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1208-4-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1208-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1208-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1208-6-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3528-36-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3528-32-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3528-29-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3528-28-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4688-35-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4688-13-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4688-17-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4688-16-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4688-15-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB