Overview

overview

7

Static

static

7

a7be1355d8...18.exe

windows7-x64

7

a7be1355d8...18.exe

windows10-2004-x64

7

$PLUGINSDI...ig.dll

windows7-x64

3

$PLUGINSDI...ig.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows7-x64

3

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...el.dll

windows7-x64

7

$PLUGINSDI...el.dll

windows10-2004-x64

7

$PLUGINSDIR/UAC.dll

windows7-x64

3

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

$PLUGINSDI...ss.dll

windows7-x64

3

$PLUGINSDI...ss.dll

windows10-2004-x64

3

$PLUGINSDIR/time.dll

windows7-x64

3

$PLUGINSDIR/time.dll

windows10-2004-x64

3

WTool.dll

windows7-x64

6

WTool.dll

windows10-2004-x64

6

WTool.exe

windows7-x64

6

WTool.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    139s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 18:27

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General

  • Target

    a7be1355d86fadca5ad8aaa6da05b22a_JaffaCakes118.exe

  • Size

    284KB

  • MD5

    a7be1355d86fadca5ad8aaa6da05b22a

  • SHA1

    7b70f184f03de7e5d94d1e1a2613450f32aedf2c

  • SHA256

    0336c4297134931c333b65f3874aa86283d33a93a5638925ef7721e6e9829522

  • SHA512

    b2c230633481f8e7c93031e3f4095c912de6ea2903194a2c49bc721d9fa0ea05ae745d79f539a9da548b403ff5eaad291a75d23e5e0238c6504bde4e5de32f26

  • SSDEEP

    6144:5xe34O3Y75+ZPPfnE2Qyn20Uq2iwIfkfJx2HdG0A5Nrau75+ZPPfnE2Qyn20UI:8IF+ZPPfnEUnvgUkfqIb5NrauF+ZPPf9

Score
7/10
adwarediscoverypersistencestealerupx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 12 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7be1355d86fadca5ad8aaa6da05b22a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7be1355d86fadca5ad8aaa6da05b22a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s "C:\Program Files (x86)\WTool\WTool.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:3824
    • C:\Program Files (x86)\WTool\WTool.exe
      "C:\Program Files (x86)\WTool\WTool.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 /s "C:\Program Files (x86)\WTool\WTool.dll"
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:2348
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\system32\explorer.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\WTool\WTool.dll
    Filesize

    174KB

    MD5

    7cd05c15ed6cfcba4fef8de891386adc

    SHA1

    8e878dae8bd501c311a50dfe2afd78e507ed86df

    SHA256

    493ded4890f015651d04440696706f8f1513bd67005be49f8cf7a5419cd2300a

    SHA512

    62ecdddc96e61b5c3b22038e0dd4bf68ab800a36a135c1039bd649b22a75b97a2748463995dc34db9abc9af2311e6e482a29f1ee76dc7f2c8889f22d2b7259fb

    Download Submit

  • C:\Program Files (x86)\WTool\WTool.exe
    Filesize

    38KB

    MD5

    ea57e34ddb40bd684ca12710768f87c0

    SHA1

    4443ea2fee00d943aaece9b7c3e37498f75a25ed

    SHA256

    76a6f2ec41f7793b3a1ceb1ac83bbd530c23885227e54555728cd18430fe8549

    SHA512

    7b00718aa699d865e556e55b055dfab360b08b53c69c6e2b3f1d427a65e44cf7b03d15de5a357e48822b1287c6a457348598000b7163a77caea909a006724382

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\IpConfig.dll
    Filesize

    114KB

    MD5

    a3ed6f7ea493b9644125d494fbf9a1e6

    SHA1

    ebeee67fb0b5b3302c69f47c5e7fca62e1a809d8

    SHA256

    ec0f85f8a9d6b77081ba0103f967ef6705b547bf27bcd866d77ac909d21a1e08

    SHA512

    7099e1bc78ba5727661aa49f75523126563a5ebccdff10cabf868ce5335821118384825f037fbf1408c416c0212aa702a5974bc54d1b63c9d0bcade140f9aae1

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\NSISdl.dll
    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\SelfDel.dll
    Filesize

    4KB

    MD5

    7cff7fe2caea5184d98c147e7e263132

    SHA1

    21f39d3d0dd5f7198d67ef30e95d10ae3460093e

    SHA256

    281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101

    SHA512

    fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\UAC.dll
    Filesize

    13KB

    MD5

    29858669d7da388d1e62b4fd5337af12

    SHA1

    756b94898429a9025a04ae227f060952f1149a5f

    SHA256

    c24c005daa7f5578c4372b38d1be6be5e27ef3ba2cdb9b67fee15cac406eba62

    SHA512

    6f4d538f2fe0681f357bab73f633943c539ddc1451efa1d1bb76d70bb47aa68a05849e36ae405cc4664598a8194227fa7053de6dbce7d6c52a20301293b3c85f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    05450face243b3a7472407b999b03a72

    SHA1

    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    SHA256

    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    SHA512

    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nslAEEE.tmp\time.dll
    Filesize

    10KB

    MD5

    38977533750fe69979b2c2ac801f96e6

    SHA1

    74643c30cda909e649722ed0c7f267903558e92a

    SHA256

    b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35

    SHA512

    e17069395ad4a17e24f7cd3c532670d40244bd5ae3887c82e3b2e4a68c250cd55e2d8b329d6ff0e2d758955ab7470534e6307779e49fe331c1fd2242ea73fd53

    Download Submit

  • memory/3532-39-0x0000000002F60000-0x0000000002F86000-memory.dmp

    Filesize

    152KB

    Download

  • memory/3532-55-0x00000000748C0000-0x00000000748C9000-memory.dmp

    Filesize

    36KB

    Download