Overview

overview

10

Static

static

3

JaffaCakes...d5.exe

windows7-x64

10

JaffaCakes...d5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 23:20

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General

  • Target

    JaffaCakes118_084dc5d64c729ed673a9cd5bf7cd8ad5.exe

  • Size

    608KB

  • MD5

    084dc5d64c729ed673a9cd5bf7cd8ad5

  • SHA1

    4f529f9624faf190b646c4db0f1f50031ff8b2fc

  • SHA256

    2ec6e368fc0d001c20d0e64a24bac26dfdfea0a96d15b417d06f726c969aa034

  • SHA512

    e7ea902f13d3c9108dbf96c7dc29c0ad67c8fdca96abcec4ff5557b4206fb2a83bd6ad8557ed0f24dbfb60345693452e29e7634486e4eb113abb51286118c26a

  • SSDEEP

    12288:+BYDZJr1E+3JcdrXxE3Vq4Vcim38bJ6vKDn5gcPUbjC:+qF6+ydroLrJ6vKVgkUb

Score
10/10
defense_evasiondiscoverypersistencespywarestealerupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 9 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 4 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 5 IoCs
  • UPX packed file 12 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).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_084dc5d64c729ed673a9cd5bf7cd8ad5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_084dc5d64c729ed673a9cd5bf7cd8ad5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Users\Admin\aUY5E15SY8.exe
      C:\Users\Admin\aUY5E15SY8.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Users\Admin\ywgif.exe
        "C:\Users\Admin\ywgif.exe"
        3⤵
        • 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:1448
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del aUY5E15SY8.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3328
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3668
    • C:\Users\Admin\2nua.exe
      C:\Users\Admin\2nua.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Users\Admin\2nua.exe
        "C:\Users\Admin\2nua.exe"
        3⤵
        • Executes dropped EXE
        PID:4456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 80
          4⤵
          • Program crash
          PID:4912
      • C:\Users\Admin\2nua.exe
        "C:\Users\Admin\2nua.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3496
      • C:\Users\Admin\2nua.exe
        "C:\Users\Admin\2nua.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1664
      • C:\Users\Admin\2nua.exe
        "C:\Users\Admin\2nua.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2716
      • C:\Users\Admin\2nua.exe
        "C:\Users\Admin\2nua.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:344
    • C:\Users\Admin\3nua.exe
      C:\Users\Admin\3nua.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 612
        3⤵
        • Program crash
        PID:3372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del JaffaCakes118_084dc5d64c729ed673a9cd5bf7cd8ad5.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4456 -ip 4456
    1⤵
      PID:4664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4812 -ip 4812
      1⤵
        PID:860

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Hide Artifacts

      1
      T1564

      Hidden Files and Directories

      1
      T1564.001

      Modify Registry

      2
      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

      2
      T1012

      System Information Discovery

      3
      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

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

        224KB

        MD5

        b64185be04a7c3882871c07358450544

        SHA1

        6dd00c5f29490e210639ac155e732f7c33e746af

        SHA256

        c7968bba96e5bc1c47dd24c4b61763eb9d227e89bb259add8ac010711a875f0d

        SHA512

        604aa723229eddd5225c13d64993966d9a79f0e34aa6b31bb8cfc00e1765319886eaefff276222831e6c5a82cf50634f04a9d59c141329b07a632fc586e4ed21

        Download Submit

      • C:\Users\Admin\3nua.exe
        Filesize

        273KB

        MD5

        0fcecac14065f03c4f83bf5ae6ac415b

        SHA1

        f71aa4708e16a2a3bf15e2a99cc0ce609b08769b

        SHA256

        79f4527215b4a213f69cf618440202131afa6eb61d2bc6046b718dd4b4ddb787

        SHA512

        49195c9f00c434228dd76151042dc03f7f87b77438734861face0f4ec40391649ed784aaf82b756113a55d55126c9b18c27e44d0c47ca75564ea079eed161003

        Download Submit

      • C:\Users\Admin\aUY5E15SY8.exe
        Filesize

        208KB

        MD5

        380575fdf47f22e24cc214c89f098f9d

        SHA1

        5d5584fab3dc5267ffacfd4c331555f4f7703fb6

        SHA256

        04fc572ba5e2e941d3510ed1504cc04490c7f5ff3ec651e6c8ffd6645ef2e0c9

        SHA512

        70ce73ac9a14224c608e1ab60e21dd8bbd5ebcc8c75bb670c0861c8fc4a478965d39a450d32907ff90baa3a8a2fc9e50a9cc8d7385a330b373d3c9854cc8e7e2

        Download Submit

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

        208KB

        MD5

        dc487de5c6377149ccd4d30261119cc1

        SHA1

        7e3d5adc1a1e2fc59770665409b4a7cd54d93443

        SHA256

        5b7f46f7978d63fcdb4275b19f6fa9dad200b6a8bf2b5e251d2c032c37098a33

        SHA512

        cc342d69152c3970a5272256ed6978e72c73345bac5db93970ba352803365fc0fb264ccfbcf9e8246e8c3e9e2d8e921f1362daf8bc6f76b14b9bef1742e6dce6

        Download Submit

      • memory/344-63-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/344-72-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/344-61-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/344-65-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/1664-55-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

        Download

      • memory/1664-53-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

        Download

      • memory/1664-81-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

        Download

      • memory/2716-60-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2716-58-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2716-56-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2716-79-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/3496-52-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/3496-51-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/3496-48-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/3496-78-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/4812-77-0x0000000000400000-0x000000000046A000-memory.dmp

        Filesize

        424KB

        Download