Overview

overview

10

Static

static

5

6f13772fff...18.exe

windows7-x64

10

6f13772fff...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 16:05

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General

  • Target

    6f13772fff6a75643fdc9c58d965ff33_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    6f13772fff6a75643fdc9c58d965ff33

  • SHA1

    40d4de0e8980c6843c72a4c78d25bc6019796640

  • SHA256

    5e1774d2991b5c972e6b34758a07f103ee31fdffa888fb622f2a6ea47da853d8

  • SHA512

    c37893e94f7343b58eed1e3fcc3c60761aeac32e95d738b94453d1412fcdeabab13d5a733460d0ef4fb7a29cd7a38cd0335c28a96dc05ac7b9a439a6eb16e42b

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6H:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5Y

Score
10/10
evasionpersistencespywarestealertrojan

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
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f13772fff6a75643fdc9c58d965ff33_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f13772fff6a75643fdc9c58d965ff33_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\SysWOW64\vwyvqxzkbj.exe
      vwyvqxzkbj.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
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\umussbgu.exe
        C:\Windows\system32\umussbgu.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2576
    • C:\Windows\SysWOW64\gewmwqeehmfrggi.exe
      gewmwqeehmfrggi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4140
    • C:\Windows\SysWOW64\umussbgu.exe
      umussbgu.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1700
    • C:\Windows\SysWOW64\nrorrmmedymfi.exe
      nrorrmmedymfi.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3216
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1816
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4152,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3776 /prefetch:8
    1⤵
      PID:4528

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    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

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    6
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    4
    T1012

    System Information Discovery

    5
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

    • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
      Filesize

      512KB

      MD5

      9872d3aa49c9357b371ffb49d1e1c025

      SHA1

      48454af065307a129aca9414b299c39092449e79

      SHA256

      d97794cd70a49b2e56d141ca1abd948a83d6cd662258a2397f85679b0f3fb77e

      SHA512

      72ff978c4f9299dba9cb3ede661f7d34f03c52c8a158b7e64591e85b7456f5d96e2f2ff85504454c4b692ab288896b82bae14ebb5fa4adfd6c60abda5f1c6b7f

      Download Submit
    • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      4b90f64774bd6332b10814d98c503ad1

      SHA1

      824c5807255eaa94452ac47867b5e1b97848644f

      SHA256

      e4458d437bf9e7c5b7a0e04275f8f5df48edeec76d62766b4593d7ffc74de9f7

      SHA512

      3b06d0b5b989deef45e231a0099c4bfc2f3b85ccd63e53605327402b11b8dd8eb258c96298f486d9be125966375269feff3df2195f1eb475df697e7cb299ba1b

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\TCD4312.tmp\sist02.xsl
      Filesize

      245KB

      MD5

      f883b260a8d67082ea895c14bf56dd56

      SHA1

      7954565c1f243d46ad3b1e2f1baf3281451fc14b

      SHA256

      ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

      SHA512

      d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
      Filesize

      239B

      MD5

      12b138a5a40ffb88d1850866bf2959cd

      SHA1

      57001ba2de61329118440de3e9f8a81074cb28a2

      SHA256

      9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf

      SHA512

      9f69865a791d09dec41df24d68ad2ab8292d1b5beeca8324ba02feba71a66f1ca4bb44954e760c0037c8db1ac00d71581cab4c77acbc3fb741940b17ccc444eb

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
      Filesize

      3KB

      MD5

      3cd66435e43e93bc050c84da0450297b

      SHA1

      1ae196ae8caf1f2394d973e7b4732ef0055ad649

      SHA256

      93d0099a43c8b5b341ceea61e2cc566b8656f582d0f3b5908ce48738f7babf71

      SHA512

      eb1204f6c187ab3455b21ff0e11ffb70d2e40c9fc705d09380b5ecb669031a30721b08fb221d7e6cd45b65f79112070eef9cec4f447e470eec88eec8f514943f

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
      Filesize

      3KB

      MD5

      a27bcba7a32a0f6a976f06dcc3bdc747

      SHA1

      9cf351d1c1d5f807c00b5831538f479139620d70

      SHA256

      152a0d69bb54a748e02975d30f631c8f2cf6c51770a8939ff6e42ca9982d061b

      SHA512

      58705790c52eb66a7b0d951fc25247ea1dff40c794c03179befb092ee3d0594190123e2723142690fe9a01ff9ff34f061158158e09665053ceb43f0411f09979

      Download Submit
    • C:\Users\Admin\Documents\DisconnectTest.doc.exe
      Filesize

      512KB

      MD5

      2fc437ae0692bf1785b96744ea29d144

      SHA1

      022936e806918bd70f845534654b2e9d6b19e497

      SHA256

      96135b22daae31fe9a9fe83dd74af8ccb35d0cbcfee7a652043912d7556aa165

      SHA512

      82f444abbd3caecf576143c6794a678516d9d681bedf654896826622b4df5f70cd382780a2e63814703ecb5b07d40fb9a0ec2e136c56131845ec586880c47c9e

      Download Submit
    • C:\Windows\SysWOW64\gewmwqeehmfrggi.exe
      Filesize

      512KB

      MD5

      0d63e53d87e6c1eb654485abedbf3bc5

      SHA1

      7acfdc2a48267dbd52a8164f42d4292dcd733234

      SHA256

      1a111290491c39888df04497e1af214f08056ad669c4d8f1d3e0281d1e9855fe

      SHA512

      0e48e1c6b969b05dcc32cac1d501ed9594a7ae3d47cbdea6aff7c7aab93b36458190460a54f2eb573535ac25c973c499bb49360d0692ccee68ffe37849f4d0d4

      Download Submit
    • C:\Windows\SysWOW64\nrorrmmedymfi.exe
      Filesize

      512KB

      MD5

      df261d4ebf92e2071cf6009d793510d8

      SHA1

      c46f53948e9a53c8f1c24bb40e3f27724f669205

      SHA256

      f423b043d0d20424da3cb168096236cc60c9ec91056e1697dffa6fc0691f0c9a

      SHA512

      de99bcd927ad98e7678a1ed3002f95e1025c3936336ac9ef93315b8f9ce3b97e984a2a5b0d5f6d6d20042942868da806400e6358b2986b064c027c85a61746f2

      Download Submit
    • C:\Windows\SysWOW64\umussbgu.exe
      Filesize

      512KB

      MD5

      8d33ea3cbe1e86b480591a290b14fc17

      SHA1

      57db1f9343a6b6ae161822cc7d70a2cc5abcee43

      SHA256

      9c94f81ee0692296b3f904cfbb2dff570c202c600127404be50192a65027ed4e

      SHA512

      50c4e4b9ad6c3aae22b7e2d7376386006168b3514ef821cd2367bb45a0f13f8ccdc52b6da3637c5fb75d2a7bbbc3c49ee29a734b07a7fa8d90370eda9a106e43

      Download Submit
    • C:\Windows\SysWOW64\vwyvqxzkbj.exe
      Filesize

      512KB

      MD5

      1651dc4ba6c4203725e80dc5c1253fec

      SHA1

      a44450584379397c4ccde2637058183ac3b1e6f7

      SHA256

      3f30fd8e70d822fb6bbefe6b3ff5af036119e57c058792f308283193f52b79c5

      SHA512

      36d51995cbc77947e639a8d189b6da43f77805febd8a59afde5d5d2a456346f42cb48429c32037f82bffb52191436e37b9687f4e915687af29725065c84a020d

      Download Submit
    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
      Filesize

      512KB

      MD5

      b467f7f38ed01f464013e3cfbcfa56c8

      SHA1

      d0059753a48f8e64bec3c71cf9c0e0c76d3eaba9

      SHA256

      3b7e20a7038e9d44a0857e934fa9e29296b3a42c9777baf76367f6a5bcd99a22

      SHA512

      ca9dd7ae4f3737d10bd384829f28aff6e938e787f1ca9d91ee821daa7bfd143138d49c2d81a5bf63e5b8b79a6cf94f88e0f7b5cefc93114834c89fbb87f687d0

      Download Submit
    • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
      Filesize

      512KB

      MD5

      15cfb7a0818b5b3e160da2b01ddb3e2b

      SHA1

      914c14517ba096f913583a5ff3e145dec2246e72

      SHA256

      8c365cc493f24d9ef330ca0ddaef66e2ebeb136d2af2bbd0f63a0fd84f81fc51

      SHA512

      19bd92a44dc745d544e248cd0810af2836e326a3c175430511abb23bbe1de147dc343341854bc14aa5ff860e0ffae2480a1ae744db06d24f560b46ad2ec118c5

      Download Submit
    • memory/1816-39-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-38-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-36-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-37-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-35-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-40-0x00007FF7C2170000-0x00007FF7C2180000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-43-0x00007FF7C2170000-0x00007FF7C2180000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-603-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-606-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-605-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1816-604-0x00007FF7C4990000-0x00007FF7C49A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/4800-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download