Overview

overview

10

Static

static

5

6ab05762e6...18.exe

windows7-x64

10

6ab05762e6...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 10:48

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General

  • Target

    6ab05762e64bab75773f3d89cc4e7f45_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    6ab05762e64bab75773f3d89cc4e7f45

  • SHA1

    bdb715a7e8071d9232e38b14c681a74d522ddf37

  • SHA256

    7b57c8b33de679d4024622f7cae20fe9e1c37a83383ad73d657dd0b0ce060bbd

  • SHA512

    1588cef85014f3ca3d01bc3fdf3db4af891b0bfd054862a1afb7e474b8411224c79dff5647f04fb9beb510b28bd398e1f9f03c6b4ee15a5a04ea5c27f554b4dc

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6x:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

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 6 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).

  • 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 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\6ab05762e64bab75773f3d89cc4e7f45_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6ab05762e64bab75773f3d89cc4e7f45_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:1728
    • C:\Windows\SysWOW64\otgxqlvzun.exe
      otgxqlvzun.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:2560
      • C:\Windows\SysWOW64\follskzn.exe
        C:\Windows\system32\follskzn.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2672
    • C:\Windows\SysWOW64\snlzbaeckrxyolf.exe
      snlzbaeckrxyolf.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2656
    • C:\Windows\SysWOW64\follskzn.exe
      follskzn.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:2584
    • C:\Windows\SysWOW64\cdwiveyqsnunj.exe
      cdwiveyqsnunj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2564
    • 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:2496
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2172
    • 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:1220

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\AppData\Roaming\ExpandUse.doc.exe
      Filesize

      512KB

      MD5

      81cb4a2fcd67839ad22451867f34f481

      SHA1

      29046cf371c671a2d374ba30827ded85f2664d71

      SHA256

      5dfcaf00076ef60cbceaeaebd966c76be2d18c21c086c64d72f2dab32639e5f4

      SHA512

      7db5de2013f6b08fa908656c1ce7c14986a2294c779435cdbcf9eb79a1befda40f4bbd30daf06236728ddeed5d0866715236bc9ad1a1e5247567f5368bc71128

      Download Submit

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

      512KB

      MD5

      cbf8ebf49e50968a6724ce2a82d0caf8

      SHA1

      578cb5b4fcef2cbc97cf5f4b10ee7b33c78f28c1

      SHA256

      e42f5f5c7ad430da185a4fe2ab98576348258ec39d4b719f4e672e98a8bd335b

      SHA512

      4cc47b895d672b6f9c8f2f94fe36397fbb8ef1bb04efb5a602ed06f911c456596b399b7261aac15c3b6a3b6723d6423d92d81d824e6f50143c5b0ed536c43dbe

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\cdwiveyqsnunj.exe
      Filesize

      512KB

      MD5

      a1fe7701f98cbce5c8c9ba33709a30be

      SHA1

      4d4379d7b246898dbfd472c3cd70a3f2fc036bcf

      SHA256

      5d6f23db8adbc9a81362a956ef4ba96e980be3331b7b871d916385807eced91a

      SHA512

      3389c0d38f9ca48e1a2c8fc5d99d17bde8b336063f1e6211b212e2ce28599eba8e3e16dcef4c2a137784d59ecf5ba9295d4c2fd428f06a947f82ee97665b2e4b

      Download Submit

    • \Windows\SysWOW64\follskzn.exe
      Filesize

      512KB

      MD5

      8d8c6cdbf941bd99e46be83988e1a02e

      SHA1

      3df658bd3929c3688e435292d23efe456dadf2e9

      SHA256

      63407f7c553163d2b3f721f53124e70276764951afd096e40acc0d67374c488b

      SHA512

      2595898ce134d69d4be79a06e7e3a6e3e837e962abfe219456128f662f763b7ad670b9ab4b2fa8185a183ea245a7df65aa0100057e0566af3301922c2b9fbe8e

      Download Submit

    • \Windows\SysWOW64\otgxqlvzun.exe
      Filesize

      512KB

      MD5

      db602358846221318abced2abd5da595

      SHA1

      dffcb13ceb960f5f90775930a63c414c998e5341

      SHA256

      b340bdbee56b1689f6780b436e0ef282612c7591f0cbedbd17ad8c67fb78f7be

      SHA512

      c7b31ffbf8dd216c6fd9914823e2687ae80ef4f570a37192c39643cf2b0d210e79c018d1787dd215045778f8e3475f01a14c749431f3082065298f77eb0f43c0

      Download Submit

    • memory/1220-91-0x0000000003BF0000-0x0000000003C00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1728-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2496-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download