Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 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 7 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4544
    • 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:2792
      • 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:3852
    • C:\Users\Admin\AppData\Roaming\tmp.exe
      "C:\Users\Admin\AppData\Roaming\tmp.exe"
      2⤵
      • UAC bypass
      • Windows security bypass
      • Executes dropped EXE
      • 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:4980
      • 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:3712
    • C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d30bd44d161347d5ecf0aa5f6ee9506e_JaffaCakes118.exe"
      2⤵
        PID:1348
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 300
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3360

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      314KB

      MD5

      d30bd44d161347d5ecf0aa5f6ee9506e

      SHA1

      e70a38e58e2c0d5f28b911859612067574c16c74

      SHA256

      00c0f1c0d8bce6a3ed14907f7322ecd06c0a11feb0058f1c016c65ec7518ea16

      SHA512

      0120d8791c205a009a621c0776bdfb17711e602f1bf13e90c6a6a167e475dbe2716e3a739c1938157cfcefc93eaf51c208658213f48d18276b3d03b7273aa3f2

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

      Filesize

      189B

      MD5

      dca86f6bec779bba1b58d992319e88db

      SHA1

      844e656d3603d15ae56f36298f8031ad52935829

      SHA256

      413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743

      SHA512

      4b9d532a777921543b3243020ea4b655a8b956c400b237ce714b5bd8e9a3ad7fdbcb11410e84e2e0ecc45e87dcd107385a487f5bb5b359aabd1322314ef2d24c

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

      Filesize

      172KB

      MD5

      d5ac3689652f1d3566ec15d8ba4f088a

      SHA1

      aedd8e90ec29f1a0259eb31fab519a398cb4f205

      SHA256

      4c4b3ad8895c8ea779e3e359b8f3610f061d4d865170e32b7af648ff0268e2b8

      SHA512

      6b989ca5018c9ff845461e150ac23b92ae71ef1d268d8975e52a3293f15eefadde6f3b73670c902f4d146e80db0f799b08fedd87c786ab7af366f4b54e35ba70

    • memory/1348-23-0x0000000000170000-0x000000000019C000-memory.dmp

      Filesize

      176KB

    • memory/3712-29-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/4544-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

      Filesize

      4KB

    • memory/4544-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

      Filesize

      5.7MB

    • memory/4544-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

      Filesize

      5.7MB

    • memory/4544-34-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

      Filesize

      4KB

    • memory/4544-35-0x0000000074EF0000-0x00000000754A1000-memory.dmp

      Filesize

      5.7MB

    • memory/4544-37-0x0000000074EF0000-0x00000000754A1000-memory.dmp

      Filesize

      5.7MB