Overview

overview

10

Static

static

3

fb54440164...18.exe

windows7-x64

10

fb54440164...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 02:30

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General

  • Target

    fb54440164c4156c8838dfdb0e4ceede_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    fb54440164c4156c8838dfdb0e4ceede

  • SHA1

    c22ede5fcad3ead57cbc7f95b59884347ad6b721

  • SHA256

    4014f9f3cd7650cbf4e44848c785eda5baf72ed052d3d1aaa2e188a31ff4278a

  • SHA512

    d4af6ede6004d1b355b9dbf9a999b263fb672ea69d6e97ca38acd953904f2fb73010dffab212502119ad69696d12ff91e9769d1f999f4f47ac6512239290e4a5

  • SSDEEP

    12288:u7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:u7L1yMgcnOds44Fp2PWUDI8

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 3 TTPs

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

    spywarestealer
  • 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 52 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
  • UPX packed file 26 IoCs

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

    upx
  • 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:336
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\fb54440164c4156c8838dfdb0e4ceede_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fb54440164c4156c8838dfdb0e4ceede_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2096
      • 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:1736
        • C:\Users\Admin\joajov.exe
          "C:\Users\Admin\joajov.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:2116
        • 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:2276
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2856
      • 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:2484
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:2832
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2836
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2784
        • 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:1800
        • 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:2124
      • 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:976
        • C:\Users\Admin\AppData\Local\8a1d53fa\X
          *0*bc*5dc717ec*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2952
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:564
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del fb54440164c4156c8838dfdb0e4ceede_JaffaCakes118.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1072
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1208
  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
    1⤵
      PID:2956
    • C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      1⤵
        PID:688

      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

      Credentials from Password Stores

      1
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      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

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      Downloads

      • \Users\Admin\2xek.exe
        Filesize

        164KB

        MD5

        c94ab34868ec4624e1e7e95e234a48ed

        SHA1

        b419f37f2fabdac6598cf59fbc505de59a51de77

        SHA256

        9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

        SHA512

        e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

        Download Submit

      • \Users\Admin\3xek.exe
        Filesize

        251KB

        MD5

        2ce19a9f18fc524fe115603b4ad9b9aa

        SHA1

        30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

        SHA256

        6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

        SHA512

        c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

        Download Submit

      • \Users\Admin\AppData\Local\8a1d53fa\X
        Filesize

        38KB

        MD5

        72de2dadaf875e2fd7614e100419033c

        SHA1

        5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

        SHA256

        c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

        SHA512

        e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

        Download Submit

      • \Users\Admin\NB4wr66jY4.exe
        Filesize

        224KB

        MD5

        5f3f430c5d00e2a2e4e1aae0e09078b9

        SHA1

        48a6be11c16e694c42fa0a0d05783177ba1c4adb

        SHA256

        b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

        SHA512

        3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

        Download Submit

      • \Users\Admin\joajov.exe
        Filesize

        224KB

        MD5

        33ab344bb0f98fdd79ec7d0671ad6d9c

        SHA1

        319c65fe2ec26c2281cea690078637047115cafe

        SHA256

        7c0f1c2ed8249fd140e6842e911725b86884e0bf71c7d05368536a2de5e98be5

        SHA512

        538393f957a2860869b436605d8358608391750b99ff3c6950d89679ae6120d1c22a4558c3ce629b20a4cfbb858ffde0237257c09b0632dde697b1bbc91d4aaf

        Download Submit

      • \Windows\System32\consrv.dll
        Filesize

        29KB

        MD5

        1149c1bd71248a9d170e4568fb08df30

        SHA1

        6f77f183d65709901f476c5d6eebaed060a495f9

        SHA256

        c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

        SHA512

        9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

        Download Submit

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

        2KB

        MD5

        6d03845f1d43e10908336ba602894baa

        SHA1

        e804767710e4c25c01705ca8290cbfc8ebe0ca0c

        SHA256

        523ee58ceeed3abcbc59b51f745ebfdf3bff774dd9792e3be0f3aeb63e8ab324

        SHA512

        632a2b6aed9dd21e35db28f131cf1c384eb4c553f3bbe05874ddbe6fa5fa9cbe2548033d420b057cad6d9e93b171c6baa4382194c151164ceb0fb924be29aa2b

        Download Submit

      • memory/336-116-0x0000000002530000-0x000000000253B000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1196-128-0x0000000002620000-0x000000000262B000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1196-133-0x0000000002D10000-0x0000000002D1B000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1196-102-0x0000000002600000-0x0000000002606000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1196-132-0x0000000002620000-0x000000000262B000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1196-110-0x0000000002600000-0x0000000002606000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1196-106-0x0000000002600000-0x0000000002606000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1196-124-0x0000000002620000-0x000000000262B000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1800-66-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-71-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-73-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-136-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-64-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-62-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/1800-74-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2124-77-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-79-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-82-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-84-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-75-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-93-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2124-85-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/2784-53-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-60-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-61-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-135-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-69-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-51-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-55-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2784-58-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

        Download

      • memory/2832-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2836-42-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-49-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-68-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-47-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-134-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-44-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-50-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2836-40-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download