Overview

overview

8

Static

static

3

29a8e81688...18.exe

windows7-x64

8

29a8e81688...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2024, 02:00

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    29a8e816886abe7054f5600210d040a1_JaffaCakes118.exe

  • Size

    998KB

  • MD5

    29a8e816886abe7054f5600210d040a1

  • SHA1

    d5134831d99701195f0fecc30cc8ee8b891802cc

  • SHA256

    78a86d7921674b126d4a3e5e6513059cf75a847dee3e409a09f083c2d3376f78

  • SHA512

    d778dbedfaf1226a9b81960b4027ef040442391a38ae4132f11247814fa1772adf0d99389a2ced12faa91bcb706efd4b0a027d527a820ce42380bb7f75093770

  • SSDEEP

    24576:IedqEi/4uK3Jfe+8PcAPiIhQk76kNil8FkC49GyJve4eg6pPhBLD:Ie81b9Fueg6PV

Score
8/10
persistence

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29a8e816886abe7054f5600210d040a1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\29a8e816886abe7054f5600210d040a1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Users\Admin\AppData\Local\isass.exe
      "C:\Users\Admin\AppData\Local\isass.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:4996
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c syscheck.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /V isass.exe /D "\"C:\Users\Admin\AppData\Local\isass.exe \"" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /V isass.exe /D "\"C:\Users\Admin\AppData\Local\isass.exe \"" /f
          4⤵
          • Adds policy Run key to start application
          • Modifies registry key
          PID:4292
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\syscheck.bat
    Filesize

    168B

    MD5

    d3f3c14a20d4537a8287dfeeef397416

    SHA1

    ac0f75053a5e72ee49eb570892f5a93efb06bfbd

    SHA256

    589427c9fab1d3e2518f02c3186faf4dbcdbf3d741c7cdcac745b8935b768da5

    SHA512

    04254a19c3f587d1f7f6dbe72e9c55b2bd40451e42244d49b7d14750bf2484e726dfcb7597ffd32c6d90610b0e5ed162ff5ce59973f232f9a45e1b1feab923dd

    Download Submit

  • C:\Users\Admin\AppData\Local\isass.exe
    Filesize

    416KB

    MD5

    048b0f742fe03bf385d950d6a30c85d2

    SHA1

    396a20288772c408e575e95e2e2634ce225bedb6

    SHA256

    93ae50cba29f2a11971d15987537ae7eb43c6a5630d508dd10c84a22974c10d9

    SHA512

    ef90df7454916018bb07ebf4299cd905bce0b06682f0dae04d4e05c3b7d74214c1d2940f3689086eefaa49c5b6b8e37a221c929f0a5e1e3fe5300ab791c5d6f1

    Download Submit

  • C:\Users\Admin\AppData\Local\ntldr.dll
    Filesize

    146KB

    MD5

    6df55f30130fbee51845413ba4b6e95a

    SHA1

    f901765269f01a95807d248f00024941eef8a9fb

    SHA256

    39c5114cb0342ae5c6703b4bb361f1709cd26961eb623bb242b4d74c273b42ce

    SHA512

    96f79d673c599ec5cd63ca163472a9a2c306393354710f0f07215fd4ccf45096a5f53d510cb0ca00f5115ff10476e7fd905e9fa138950f3421000d61e3606224

    Download Submit

  • memory/1560-27-0x00000000033D0000-0x00000000033F9000-memory.dmp

    Filesize

    164KB

    Download

  • memory/1560-22-0x00000000033D0000-0x00000000033F9000-memory.dmp

    Filesize

    164KB

    Download

  • memory/1560-26-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/1560-0-0x00000000007B0000-0x00000000007B1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4996-18-0x0000000002480000-0x00000000024A9000-memory.dmp

    Filesize

    164KB

    Download

  • memory/4996-15-0x0000000002430000-0x0000000002459000-memory.dmp

    Filesize

    164KB

    Download

  • memory/4996-19-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4996-28-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

    Download

  • memory/4996-29-0x0000000002480000-0x00000000024A9000-memory.dmp

    Filesize

    164KB

    Download

  • memory/4996-53-0x0000000002480000-0x00000000024A9000-memory.dmp

    Filesize

    164KB

    Download