Overview

overview

10

Static

static

3

87267eabc5...18.exe

windows7-x64

10

87267eabc5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2024, 18:21

Sharing

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General

  • Target

    87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    87267eabc51827f2ea300a7d818e86db

  • SHA1

    00e4d5baaade662cb1fe169e6078858a9ae8274c

  • SHA256

    1abe9a6204a630022fe21b8b8da74e263b28b11a8cb92e7785cc38234b134411

  • SHA512

    f1c5094260530e85f3ee1ce22fc15a8e53ceb4b15a7bf91ebf6973e8d72c3bb81bf8b173b26ea556973c6ccc1983859d3bba744214b3db79d2eece6f8883649c

  • SSDEEP

    12288:O7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:O7L1yMgcnOds44Fp2PWUDI8

Score
10/10
discoveryevasionpersistencespywarestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

    discovery
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Suspicious use of UnmapMainImage
    PID:332
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Users\Admin\NB4wr66jY4.exe
        C:\Users\Admin\NB4wr66jY4.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Users\Admin\ruuxeo.exe
          "C:\Users\Admin\ruuxeo.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2504
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1896
      • C:\Users\Admin\2xek.exe
        C:\Users\Admin\2xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:2140
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1748
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1460
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3000
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2788
      • C:\Users\Admin\3xek.exe
        C:\Users\Admin\3xek.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Users\Admin\AppData\Local\4a9ddc87\X
          *0*bc*54f8db90*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:308
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:772
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:932
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:812

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Privilege Escalation

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Defense Evasion

        Hide Artifacts

        1
        T1564

        Hidden Files and Directories

        1
        T1564.001

        Modify Registry

        3
        T1112

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Peripheral Device Discovery

        1
        T1120

        Process Discovery

        1
        T1057

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\2xek.exe
          Filesize

          164KB

          MD5

          c94ab34868ec4624e1e7e95e234a48ed

          SHA1

          b419f37f2fabdac6598cf59fbc505de59a51de77

          SHA256

          9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

          SHA512

          e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

          Download Submit

        • C:\Users\Admin\NB4wr66jY4.exe
          Filesize

          224KB

          MD5

          5f3f430c5d00e2a2e4e1aae0e09078b9

          SHA1

          48a6be11c16e694c42fa0a0d05783177ba1c4adb

          SHA256

          b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

          SHA512

          3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

          Download Submit

        • C:\Windows\system32\consrv.dll
          Filesize

          29KB

          MD5

          1149c1bd71248a9d170e4568fb08df30

          SHA1

          6f77f183d65709901f476c5d6eebaed060a495f9

          SHA256

          c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

          SHA512

          9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

          Download Submit

        • \Users\Admin\3xek.exe
          Filesize

          251KB

          MD5

          2ce19a9f18fc524fe115603b4ad9b9aa

          SHA1

          30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

          SHA256

          6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

          SHA512

          c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

          Download Submit

        • \Users\Admin\AppData\Local\4a9ddc87\X
          Filesize

          38KB

          MD5

          72de2dadaf875e2fd7614e100419033c

          SHA1

          5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

          SHA256

          c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

          SHA512

          e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

          Download Submit

        • \Users\Admin\ruuxeo.exe
          Filesize

          224KB

          MD5

          979fb59d9516eeccd14e2be8a7c36b1a

          SHA1

          726dc10e14d989783e2fd49471186c096ea5daed

          SHA256

          204b730b30e989888c0f251d699ee6d8260c6314bd3bdd99bf33e80e53679f8e

          SHA512

          3a4f59f89f2eaf75e63ce706b44d51993c4ae68987cac362e20e24e03f3fbb3362ce60d488cb633bbbe9729cc90977f4cb2b891f6bf668ed5756e968acd87355

          Download Submit

        • \systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}
          Filesize

          2KB

          MD5

          6d03845f1d43e10908336ba602894baa

          SHA1

          e804767710e4c25c01705ca8290cbfc8ebe0ca0c

          SHA256

          523ee58ceeed3abcbc59b51f745ebfdf3bff774dd9792e3be0f3aeb63e8ab324

          SHA512

          632a2b6aed9dd21e35db28f131cf1c384eb4c553f3bbe05874ddbe6fa5fa9cbe2548033d420b057cad6d9e93b171c6baa4382194c151164ceb0fb924be29aa2b

          Download Submit

        • memory/332-118-0x00000000023B0000-0x00000000023BB000-memory.dmp

          Filesize

          44KB

          Download

        • memory/1252-106-0x00000000024E0000-0x00000000024E6000-memory.dmp

          Filesize

          24KB

          Download

        • memory/1252-102-0x00000000024E0000-0x00000000024E6000-memory.dmp

          Filesize

          24KB

          Download

        • memory/1252-110-0x00000000024E0000-0x00000000024E6000-memory.dmp

          Filesize

          24KB

          Download

        • memory/1252-124-0x0000000002500000-0x000000000250B000-memory.dmp

          Filesize

          44KB

          Download

        • memory/1252-128-0x0000000002500000-0x000000000250B000-memory.dmp

          Filesize

          44KB

          Download

        • memory/1252-133-0x0000000002510000-0x000000000251B000-memory.dmp

          Filesize

          44KB

          Download

        • memory/1252-132-0x0000000002500000-0x000000000250B000-memory.dmp

          Filesize

          44KB

          Download

        • memory/1460-69-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-62-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-52-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-138-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-61-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-59-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-56-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1460-54-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/1748-45-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-47-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-51-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-134-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-49-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-50-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-42-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/1748-40-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2140-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2788-92-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-85-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-75-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-77-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-79-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-82-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2788-84-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/3000-74-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-73-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-63-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-65-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-67-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-143-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download

        • memory/3000-71-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

          Download