Overview

overview

10

Static

static

5

be7d9ce3b6...18.exe

windows7-x64

10

be7d9ce3b6...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 11:26

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General

  • Target

    be7d9ce3b6de692964c89664b7d98dc2_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    be7d9ce3b6de692964c89664b7d98dc2

  • SHA1

    5e9409d102f6ee6fb39d5917b1b5c711e31b3299

  • SHA256

    450825dc28aaf7b11a29bf1fe924175154202cacf45505678d7ea2cdc2e68af9

  • SHA512

    4e00bd1deb34df08610491036864176e1e2a70dad24f15528ccaba20ac345a1de29127861f1060e1773a541bf460124db2d7f5e12349828c90fb50a4fc4e5e05

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj64:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5X

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 2 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 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\be7d9ce3b6de692964c89664b7d98dc2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be7d9ce3b6de692964c89664b7d98dc2_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:2692
    • C:\Windows\SysWOW64\ykixbeympo.exe
      ykixbeympo.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:1984
      • C:\Windows\SysWOW64\vfvzmbcv.exe
        C:\Windows\system32\vfvzmbcv.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:2892
    • C:\Windows\SysWOW64\fflkunuxlmaoxwx.exe
      fflkunuxlmaoxwx.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:1668
    • C:\Windows\SysWOW64\vfvzmbcv.exe
      vfvzmbcv.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:2292
    • C:\Windows\SysWOW64\mjcmpldgomalc.exe
      mjcmpldgomalc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2828
    • 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:2640
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2168
    • 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:2316

    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

    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\PROTTPLN.DOC.exe
      Filesize

      512KB

      MD5

      60fab15537087e3b7f697dc848ef81c7

      SHA1

      2655a70da2e6982b016dec14afb8ff4dea611475

      SHA256

      9e5640c02c667cb1a847ccd76afffc3fd8e3690866fa6e1c2bb250465cd9c819

      SHA512

      7dacc7b143d53670792e34475a6bd6d2f982ab3ffdf0c381231d2f5e70beb4e9f9fc479086d6c0df5070ac61316821234f229b2626091916e8e65a1300a20590

      Download Submit

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

      512KB

      MD5

      5fd2abf0eb8d14982d6e6e1f970a08f6

      SHA1

      1a4aa179188c9bbfdff2754b78e8f0c1c4a20510

      SHA256

      37beb945024886755d92dfc62e55f695af37eb9241dda84c0b75cfc241a39a3e

      SHA512

      b8e8678d2ee8d6b03039a3b2b9bc95f95cc51017eb5fc083fff83c22708c2e278af9c35cf7780bb9be407e0b871b950600a6ceb7bd0fdb30b8af7ecddf136b8f

      Download Submit

    • C:\Program Files\MeasureResolve.doc.exe
      Filesize

      512KB

      MD5

      a89783bb579f252026c40a09f9a5fdfb

      SHA1

      b5d0a34752e6c7693b99bf2aa86c9f647e6dd027

      SHA256

      33326a4e73737fc0cd8726b0ff44dfed2b451fc7e794525de0555ecead7bcfdc

      SHA512

      f15c6930009e117ad7f943c7735e983aa9f6f2eafb13b26ad21f49828fc25b123766370b862f270e6febba88fdc22b1d87830b65cdfd2055da4a566fae9f3f42

      Download Submit

    • C:\Users\Admin\Desktop\UninstallEnable.doc.exe
      Filesize

      512KB

      MD5

      7409d3e05f85e649eba75e099302fc8d

      SHA1

      6228c0c7dd2f1d1a922f15112ce97618b352d7c2

      SHA256

      9e10eb6e8da421afb9c7e128f4bf51b71357dae876d364bc87cdae3a22797665

      SHA512

      5d8150a0b64b17b35ecfbb72b3187cb0bcaebc9af3aa1c08f7011349c3a51348c97ae21a95b91878a9b70834ea507bc268cf8e66c148ee98dfc8e4d176a425c9

      Download Submit

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

      512KB

      MD5

      dbf1a5622ce6b8e10610cec54e3d9bb2

      SHA1

      599b3cd65531ef1a316705a720748434f88c0712

      SHA256

      e53c8c706260c45bbcd7358298833d89999ae513baabbab1e2108e6d7b0b482f

      SHA512

      a0efa5f38518f608da34bd77bc4a7b1fe6506214ad4c685c54f4f6b264e153e99dcaeb09db2eb13cd9717fe18cba499942f3f58032a0e8b19303d229fb1dec5a

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\mjcmpldgomalc.exe
      Filesize

      512KB

      MD5

      0476e04d03be6d7ccfb2c4e5df1a7102

      SHA1

      929cd62afc5c184d7cc84d7c0a4481abed1055bb

      SHA256

      917807dc6db02b2dc7b11b8678dd789b950f7ce76bc39b456246db227ef8c851

      SHA512

      f4bf7042247443bda7778b6e069b707894eec8a2fe5a72a8487543229fe783c5c2c3bd63d090cb819bc2b826373ede21f3a8d6592213565e901c852deec25b9f

      Download Submit

    • \Windows\SysWOW64\vfvzmbcv.exe
      Filesize

      512KB

      MD5

      087fbc0dfbfff2085b791354f9f0fa46

      SHA1

      1eb18390f933478dd09cee8b662f747705ee08c3

      SHA256

      f9af071c21d3d074d2bd0aad5e9f09d8738cc8103313771d9969135eec872ed0

      SHA512

      1ffb620c9d3c17fc0e9bd80539fd526f60144059d4df891d4671060cdea768dda3b7070c2538b635fdfd4d25491d8e42dbd8668515a0c1d4879b115c91608ede

      Download Submit

    • \Windows\SysWOW64\ykixbeympo.exe
      Filesize

      512KB

      MD5

      e5fd9d57e9aa5131e73fba4a3eec4eff

      SHA1

      294fea68468d3ca0c9f9d9b00ac176657192c2bd

      SHA256

      c929568dfe78a07cb16daa8dae95c19459b9fb691eebf388afa677d71975e0a5

      SHA512

      33835d31d0f60befee086c6e8070bb6d09b1b7ed88e09d5f41f9929ac176dbe6258bd34da9eceb134f7fea2382329efad5d3da248cf916c730de52ee9dbd831a

      Download Submit

    • memory/2316-92-0x0000000003C20000-0x0000000003C30000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2640-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2692-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download