Overview

overview

10

Static

static

5

05a37a23d8...18.exe

windows7-x64

10

05a37a23d8...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 16:49

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General

  • Target

    05a37a23d825f72a3f83a031a21d928f_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    05a37a23d825f72a3f83a031a21d928f

  • SHA1

    6e7dc18228906cf9077c56e5b6938cb55131aef6

  • SHA256

    6ee1815fb67ed5f8f91e26937332f4388fb37e6b8c5cc51b54b89ba607362216

  • SHA512

    9c546ee4b495abccce5cb9368a40783d1cc47618795d16ef7b6dfb6df0829432b26a2bacf39c83f1e4aeb421f71864a47dfde8c688e8ea58ef6ef27b4ee19b09

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Y:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5d

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 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 33 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\05a37a23d825f72a3f83a031a21d928f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05a37a23d825f72a3f83a031a21d928f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • 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:2176
    • C:\Windows\SysWOW64\qaqxdwvzbq.exe
      qaqxdwvzbq.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\ctinkkst.exe
        C:\Windows\system32\ctinkkst.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2772
    • C:\Windows\SysWOW64\lekxzpggdbikmjv.exe
      lekxzpggdbikmjv.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2688
    • C:\Windows\SysWOW64\ctinkkst.exe
      ctinkkst.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2968
    • C:\Windows\SysWOW64\bffwodjelawvk.exe
      bffwodjelawvk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1984
    • 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
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2500
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2748

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    8
    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

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    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 (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      420e513bcb83009a642413059cadb305

      SHA1

      28ab7b83fe5009306ed179c150ed5963313b422b

      SHA256

      94c3e038c4f963c38fe3c31402d69419caf7018d63790c27c38a97363d6921d5

      SHA512

      0bb046fe17441bded96f01e29cdda2efc6c9c1195ffdc7a6905ae415c1f2af3c211954d238e9b09cd7cc161aafa673b0260c9b50f95d5a52e0ad8d9496c3664f

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

      512KB

      MD5

      4d08537846ae985241b4597067cd51d8

      SHA1

      ec92f02fe920c09df30a95a48a7bc6cdcd146103

      SHA256

      3426582fefd60a97eaa252ce235358e45bf14251b771f40a0dee1b71e38e8d1a

      SHA512

      bcf2bbb07cc4b80abbdc6329128c69db637e3554c8eac76be03f6225f4378c0ab2a809430ff47c3662c6a04e4756608ac369998d6b0a6d06c7d4a2ac86d9c5b3

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

      512KB

      MD5

      0956f0a41d249034b879ce7081d88d02

      SHA1

      a60843eda2f59936b97795570157aedc26cbbc5d

      SHA256

      9921f5aa25fc4d1fc065385bbc81ddf62be22f4126dd0294eb91d0196d307234

      SHA512

      7016fa54a1cc2bbbb5bbc4dd8069b591cee72388d42878136b6a5d24d11b36b3dba6bfc8cc19c01aa03c71b399709652eab08b035fa8537172192f927ded73ae

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

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
      Filesize

      512KB

      MD5

      0e66441dc340784da428962775d528c6

      SHA1

      f26a1afc964bae524be6c88dd53a6f79d5514777

      SHA256

      f106e85b1c51b5fccf59b18e7015b9e4ee7c6bdb37057adcb7fbddf8bb37c684

      SHA512

      d525cf6921c127b76be11b5b5456e948b66381ef7dee53e3f9b694ffefa5764c87725daaa8800582c7e7c95e31ee8ed730df64e8317192cc9c17dee9f2624822

      Download Submit
    • \Windows\SysWOW64\ctinkkst.exe
      Filesize

      512KB

      MD5

      923928bfd56f619a9fb2c79d118b6db0

      SHA1

      e31b17f0846dc3b647d131127422caa4d1041743

      SHA256

      adf883543d72feb757a4b1aa36d85cc51c85a78b88e54c6f6fe257847a68b521

      SHA512

      a6d36b328c9f8d58c7e2443fe430e7e1eacd9451eae37817409ff60dfd54116a55a6de2e4d09d77a295ea3dc9728993e0d8fbb7fe716910f41b0486678e4e8b1

      Download Submit
    • \Windows\SysWOW64\qaqxdwvzbq.exe
      Filesize

      512KB

      MD5

      948ee48a258c810df3d79a9a630c8c1a

      SHA1

      e1266d2a14428bd28bfb3297aade9b1672769891

      SHA256

      1226a890ba8785a54a4f1db18eb1669fceb86f02039e8ff7551381434b2ce44b

      SHA512

      28253a9565d33d26a07c69c74311ad7cc52e39a7523c701380b196f3d8190973fffb1150f5173a0d87f4ed3082e618e7d7d1007ae132b505429e3f1b107de29e

      Download Submit
    • memory/2176-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2748-85-0x00000000032C0000-0x00000000032D0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2756-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download