Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-07-2021 14:14

General

  • Target

    d33732b691720be2cef97957e40bb69e.exe

  • Size

    733KB

  • MD5

    d33732b691720be2cef97957e40bb69e

  • SHA1

    32669f8f8867e02b2be54d3fd73850e77b39ff5f

  • SHA256

    c052755bf3cab34b18f346c176d9c20c296dd4010b818a424d763625eeb6ff92

  • SHA512

    ab39035ec471638c1e980f4e356e63b7ce8ec6f97f6379d150557cc21414183bf2ff8edd35f196d56f189ebd3fdf76411652c365388bcf54ec9b4a15a4a0d447

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

oklahama

C2

oklahama.ydns.eu:1307

Mutex

X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe
    "C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe
      C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.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:4076
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/768-137-0x00000000031C1000-0x00000000032BD000-memory.dmp

    Filesize

    1008KB

  • memory/768-136-0x00000000031C0000-0x0000000003313000-memory.dmp

    Filesize

    1.3MB

  • memory/768-132-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/4076-128-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/4076-140-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/4436-119-0x00000000052A0000-0x000000000579E000-memory.dmp

    Filesize

    5.0MB

  • memory/4436-127-0x0000000007950000-0x00000000079A9000-memory.dmp

    Filesize

    356KB

  • memory/4436-122-0x0000000007010000-0x0000000007011000-memory.dmp

    Filesize

    4KB

  • memory/4436-121-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

    Filesize

    4KB

  • memory/4436-120-0x0000000006E10000-0x0000000006E68000-memory.dmp

    Filesize

    352KB

  • memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp

    Filesize

    4KB

  • memory/4436-118-0x0000000005330000-0x0000000005331000-memory.dmp

    Filesize

    4KB

  • memory/4436-117-0x0000000005340000-0x0000000005341000-memory.dmp

    Filesize

    4KB

  • memory/4436-116-0x00000000057A0000-0x00000000057A1000-memory.dmp

    Filesize

    4KB