Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05-09-2021 12:42

General

  • Target

    DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe

  • Size

    686KB

  • MD5

    6ddea92be72b5543d108ec83b588297d

  • SHA1

    c13a41eb03b9e26fec3e6d6f6c1e273111729c03

  • SHA256

    ddde7cd1d82b5dee479ac17413690cedd04ad04ee14ae271d590da80e5a2a8bd

  • SHA512

    cc4771f3ee1d12f4610aa87f505f8616e5a35d1d541ed30a267b143ae7c683eb239477aa923493ed4db59dfb6a0d2c4c047d158a7bd4cbbe2b8e415281e80d93

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Test

C2

csimich.duckdns.org:1989

Mutex

Y1E5W2H0-W6U4-K5S1-S8J1-Y5X8K0K337V4

Signatures

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core Payload 2 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe
    "C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe
      "C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe"
      2⤵
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2844
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2360
    • C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe
      "C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe" 2 2844 259366328
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3500
      • C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe
        "C:\Users\Admin\AppData\Local\Temp\DDDE7CD1D82B5DEE479AC17413690CEDD04AD04EE14AE.exe"
        3⤵
          PID:492

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/492-132-0x0000000000530000-0x0000000000531000-memory.dmp

      Filesize

      4KB

    • memory/492-130-0x0000000000000000-mapping.dmp

    • memory/740-114-0x0000000000540000-0x00000000005EE000-memory.dmp

      Filesize

      696KB

    • memory/740-125-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB

    • memory/2360-124-0x0000000003771000-0x000000000386D000-memory.dmp

      Filesize

      1008KB

    • memory/2360-123-0x0000000003770000-0x00000000038C3000-memory.dmp

      Filesize

      1.3MB

    • memory/2360-120-0x0000000000401364-mapping.dmp

    • memory/2360-119-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2844-129-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/2844-115-0x00000000004010B8-mapping.dmp

    • memory/3500-127-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB

    • memory/3500-116-0x0000000000000000-mapping.dmp

    • memory/3500-131-0x00000000004C0000-0x000000000060A000-memory.dmp

      Filesize

      1.3MB