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Overview

overview

10

Static

static

5

f5c2f77d7d...18.exe

windows7-x64

10

f5c2f77d7d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 10:03

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General

  • Target

    f5c2f77d7d5291d1e3ad1ed4dbd9b907_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    f5c2f77d7d5291d1e3ad1ed4dbd9b907

  • SHA1

    63747ebd2dcfe538d76fba2e8a1d213d9c142bc1

  • SHA256

    41de30d1fc6debf61a899dd4812a8c5a31f41df7df5ce5fc9d7cf648e411da60

  • SHA512

    dee9acc8d9916ae13f2930fde084def771a4f8ad4e2cf51a8029fb9735a95ceee469c49d3ff32216a1e32519cce15a8a99f53fecff56a4f7cdfbda7b6b816d8b

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Q:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5J

Score
10/10
discoveryevasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • 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.

    discovery
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 24 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5c2f77d7d5291d1e3ad1ed4dbd9b907_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5c2f77d7d5291d1e3ad1ed4dbd9b907_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\SysWOW64\esibgxgnur.exe
      esibgxgnur.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\jvgxdrsf.exe
        C:\Windows\system32\jvgxdrsf.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2404
    • C:\Windows\SysWOW64\kmkuhackuzludnu.exe
      kmkuhackuzludnu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2756
    • C:\Windows\SysWOW64\jvgxdrsf.exe
      jvgxdrsf.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2708
    • C:\Windows\SysWOW64\vssorvpyhxxdm.exe
      vssorvpyhxxdm.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2848
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2064
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3000

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    3
    T1547

    Active Setup

    1
    T1547.014

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    3
    T1547

    Active Setup

    1
    T1547.014

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Modify Registry

    7
    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

    Query Registry

    2
    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

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      9e2f11fdcd72e7e8295061d73246982d

      SHA1

      349454fbbf12b94baf1f996568359a43ee6e75af

      SHA256

      4efb8f18f05e9f066f1a2a7050a0d7126da4dd0573bb36144b31e13ef600e2c6

      SHA512

      33b5ecda742f74e2d6f91c6080663952ff401e3e1b7451980f260242e473611bbe131a06c10d888278f4317617614dbfa95fb726030fae2f819e0c44943ac678

      Download Submit

    • C:\Windows\SysWOW64\esibgxgnur.exe
      Filesize

      512KB

      MD5

      14e0b0fa22c809c668e2ea7c90a8f19b

      SHA1

      e8e44eadb68b2f568fe9b06a0d92c580d7bf0f70

      SHA256

      bb64426873c7a076bab39ec4b3fea323b307dc1f32c4a31529585b129c1afa23

      SHA512

      cf549ddca046e7459053a70596c74fc60c1f43b4a0bed7177de4c8e145e418602b0753ffdffd21a7e1228c5725bc3c64997c60d68cd15947ef74bb1a1ec1b06a

      Download Submit

    • C:\Windows\SysWOW64\jvgxdrsf.exe
      Filesize

      512KB

      MD5

      6f765dd2cf4f692bba90040cefe17def

      SHA1

      aaff1b0c124db016606ecb4c570bf734d7fdff45

      SHA256

      25736e3957b1212c465bf4ea7b01cfed6936fec7a85dd6a8cca32c4d65563017

      SHA512

      272013c269f7bdc310a198941a75ac80a9af0963e7c5c3a6bd0deab2088b4e09afb5881ed6b7364f899056a4cd1e898920db4890374775acdc22863b5d7c2bbc

      Download Submit

    • C:\Windows\SysWOW64\vssorvpyhxxdm.exe
      Filesize

      512KB

      MD5

      203cb5130df69c1e4c686ba49df2b7a2

      SHA1

      fe63601b9b9e50c5a4c5fc907b3c5551a530c1fc

      SHA256

      7b882c5e0ec406da47bc3676cf944114055495c6f81aa1c369840b76dfb3a049

      SHA512

      c47e6717582a50245eafdf782146ceff18d766b76490e1e336279298173d4feada3309f3da2fb9416b2ecfc58b8bd8184c6770bb8f154655c15f8f4a23ec6d99

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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    • \Windows\SysWOW64\kmkuhackuzludnu.exe
      Filesize

      512KB

      MD5

      e287a88d26b8e1e50951b2c122f5fdc6

      SHA1

      659d55a27ff35937c946976b81ab74f5013c1e80

      SHA256

      7992e0f3b2d5270346a42bae42ec85a42e091ba6facf758d2111994cd91565f9

      SHA512

      88cc6b6d1db9234ef52fc8e53d6be9d7baea86aedfcaaf196c83930a16c9a15c293907035c5cbc08ad4f10249f88dc882607c6ef59add64ed0b348a51c6c2c68

      Download Submit

    • memory/772-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2780-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/3000-81-0x0000000003DF0000-0x0000000003E00000-memory.dmp

      Filesize

      64KB

      Download