Analysis

  • max time kernel
    137s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 23:25

General

  • Target

    d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe

  • Size

    314KB

  • MD5

    d30bd44d161347d5ecf0aa5f6ee9506e

  • SHA1

    e70a38e58e2c0d5f28b911859612067574c16c74

  • SHA256

    00c0f1c0d8bce6a3ed14907f7322ecd06c0a11feb0058f1c016c65ec7518ea16

  • SHA512

    0120d8791c205a009a621c0776bdfb17711e602f1bf13e90c6a6a167e475dbe2716e3a739c1938157cfcefc93eaf51c208658213f48d18276b3d03b7273aa3f2

  • SSDEEP

    6144:JkbQQs4kK5DGyJKoWZxar9lJ5JvR89NlY:JxbMDGu/WZ+vIlY

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Group

C2

46.183.220.104:10101

Mutex

K8P3I007-I4G2-R2U0-V0G8-T1Q3K5W771L5

Signatures

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

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2688
    • C:\Users\Admin\AppData\Roaming\tmp.exe
      "C:\Users\Admin\AppData\Roaming\tmp.exe"
      2⤵
      • UAC bypass
      • Windows security bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2840
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Roaming\tmp.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2608
    • C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe"
      2⤵
      • UAC bypass
      • Windows security bypass
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2828
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2600
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 300
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat

    Filesize

    189B

    MD5

    dca86f6bec779bba1b58d992319e88db

    SHA1

    844e656d3603d15ae56f36298f8031ad52935829

    SHA256

    413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743

    SHA512

    4b9d532a777921543b3243020ea4b655a8b956c400b237ce714b5bd8e9a3ad7fdbcb11410e84e2e0ecc45e87dcd107385a487f5bb5b359aabd1322314ef2d24c

  • \Users\Admin\AppData\Roaming\tmp.exe

    Filesize

    172KB

    MD5

    d5ac3689652f1d3566ec15d8ba4f088a

    SHA1

    aedd8e90ec29f1a0259eb31fab519a398cb4f205

    SHA256

    4c4b3ad8895c8ea779e3e359b8f3610f061d4d865170e32b7af648ff0268e2b8

    SHA512

    6b989ca5018c9ff845461e150ac23b92ae71ef1d268d8975e52a3293f15eefadde6f3b73670c902f4d146e80db0f799b08fedd87c786ab7af366f4b54e35ba70

  • memory/2392-0-0x0000000074561000-0x0000000074562000-memory.dmp

    Filesize

    4KB

  • memory/2392-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2392-2-0x0000000074560000-0x0000000074B0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2392-48-0x0000000074560000-0x0000000074B0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2392-46-0x0000000074560000-0x0000000074B0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2608-40-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/2828-17-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2828-19-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2828-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2828-23-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2828-47-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2828-15-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB