Overview

overview

10

Static

static

3

cf5eaf5016...18.exe

windows7-x64

10

cf5eaf5016...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • 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
    06-09-2024 10:47

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General

  • Target

    cf5eaf5016b20b65c805de7e5e074a85_JaffaCakes118.exe

  • Size

    728KB

  • MD5

    cf5eaf5016b20b65c805de7e5e074a85

  • SHA1

    1b89c182e8421d1b28feec2308cfbb1ce455dd79

  • SHA256

    54fe3fb46b47d290445662882ddf2e20b65306ff7d1ff1d9878b5b9ef5632422

  • SHA512

    b3a6cb9d8d686ea1f4ce312ef6f0269cee5fa3df1eb773f672ff2aa2da6c6a0e1b40acedaa8e3fd1fb723304f0e61455886872fb0622368b64cc5a4e98d03158

  • SSDEEP

    12288:UY3h8l+++++++++0x0XSJgr8TnVEv+vl+D1PXd:xh8l+++++++++0+XNr8ZEvKlGP

Score
10/10
xpertratpunchesdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

PUNCHES

C2

46.183.220.14:1149

Mutex

A1F5W2I0-X6V4-U5T1-T8J1-J5Y8L0L337W4

Signatures

  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

    ratxpertrat
  • XpertRAT Core payload 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Modifies registry key 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf5eaf5016b20b65c805de7e5e074a85_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf5eaf5016b20b65c805de7e5e074a85_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC HOURLY /MO 23 /TN "Forsamlingshusets" /TR "reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "\""Forsamlingshusets"\"" /f /t REG_SZ /d "\""C:\Users\Admin\AppData\Local\Temp\Borland8.exe\""
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /run /tn "Forsamlingshusets"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4036
    • C:\Users\Admin\AppData\Local\Temp\Borland8.exe
      "C:\Users\Admin\AppData\Local\Temp\Borland8.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Users\Admin\AppData\Local\Temp\Borland8.exe
        "C:\Users\Admin\AppData\Local\Temp\Borland8.exe"
        3⤵
        • 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:4132
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Local\Temp\Borland8.exe
          4⤵
          • Adds policy Run key to start application
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3904
  • C:\Windows\system32\reg.EXE
    C:\Windows\system32\reg.EXE add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Forsamlingshusets" /f /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Borland8.exe"
    1⤵
    • Adds Run key to start application
    • Modifies registry key
    PID:4148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Borland8.exe
    Filesize

    728KB

    MD5

    ef41b5d8c942469a54c6bc3d7820f875

    SHA1

    cf3b1e9d07ea0046e0dbb2cc679165ab66bfd45c

    SHA256

    1ae554428c74e230e1b1e89b709630d36cc0e31d42a07c7555e5727809dfe85f

    SHA512

    68b06f59d290acabfbafad73558eb9229cb5f2b4a99723bf7b02e139b60fecec827a2d05c40229d1b63c0cd105fe0581dc282eb71f1f5c53b64b424679cafb7a

    Download Submit

  • memory/2012-3-0x0000000076F81000-0x00000000770A1000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/3904-20-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

    Download

  • memory/4132-13-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

    Download

  • memory/4132-17-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

    Download

  • memory/4132-27-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

    Download