Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 08:25

General

  • Target

    16ed301979c3dcdf67c993f54d00aab7_JaffaCakes118.exe

  • Size

    870KB

  • MD5

    16ed301979c3dcdf67c993f54d00aab7

  • SHA1

    29150b7b871d5cdae8d50eb80295ce246b7214dc

  • SHA256

    db49429641a3b6e3e02057e07eb5c521e27757948211c465f51c3e9519eaf5b6

  • SHA512

    352df409e5cafa8357c8a05a058a8cfbe3550f97d0057b640b98243b6beb16d2154b5fbc0c1a4a44fb6ab451cf567b28a13552f233f054eb1e0ddbc3bd6152ea

  • SSDEEP

    12288:UbelydtS9EITSJt4VWHSq6qFWZ8NUhWbPqLdZeyzrlkrDQ+R6iA+StmzhmNCYEQ:vkq9EbuVU6qsZQPq5ZeklohvSQmcYX

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • 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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16ed301979c3dcdf67c993f54d00aab7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16ed301979c3dcdf67c993f54d00aab7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Windows\SysWOW64\Sys32\EXWE.exe
      "C:\Windows\system32\Sys32\EXWE.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:716
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3552

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@808A.tmp

      Filesize

      3KB

      MD5

      1af114b264a783148f112ae8a4392450

      SHA1

      bf5493d1c7794cc9e44f219a5038990215494fd4

      SHA256

      3071cfecb4af30dbfef855370ed538f332338c35b5f6d5d14045c144796f7ff9

      SHA512

      b9c833cca0adfad35cbe4392b170cb4820c50874f7b6cf1717a67007c95878e1980c2cbd283ffa671feec0c8794ac229551c5f0b38700d932840a7073f562355

    • C:\Windows\SysWOW64\Sys32\AKV.exe

      Filesize

      389KB

      MD5

      40f15729e871733ee4e3b526a72f0725

      SHA1

      43f4f1bb97a6e722ec796027aebd219199136833

      SHA256

      4ab6592bff060a990b7820e9ee412b4318fb47e85eb01c069fa797399991b472

      SHA512

      0f8b4bb24813334941d8cdcf137bdc7f4904648b97e5b92c448c053005a29d63c5ddfc6a7fdf1d3a7c1185b8c9dea15d13668bad963b651df6088dcfc32b7967

    • C:\Windows\SysWOW64\Sys32\EXWE.001

      Filesize

      444B

      MD5

      6a928b82975792e8b6c76f7e3760fce4

      SHA1

      8612b30cf19ecdda2f8f245399fc92c3663bca1c

      SHA256

      4683eb45ce7adbeb37cfede55745bce9b9db8e90423fd3bdd26d853f1c92f9e1

      SHA512

      f8154ebdc00e3c1629017b342b1e5ff71de14b54348edd4179f06f8aa7ade860b66ce9512ee8ec664d4a32153ca4c7553c9af6d406dc7913e847dcb4691b34d5

    • C:\Windows\SysWOW64\Sys32\EXWE.006

      Filesize

      7KB

      MD5

      489d664845e0e001de7e6a87fb355366

      SHA1

      c0b339c9b8d18dad3b6f425b0eba2833ed313202

      SHA256

      aab3b216ae3c1415739d487c3d6df9af2b5d055959c289cd803e872b835d55fd

      SHA512

      7e403f33d0717a3e30664f9702de589c8065690dc423cf69245122e96db346c8112ed15ba53d6ab26c538a1fea9e63dd29a01e2f18be8c1ad439a5466d066be3

    • C:\Windows\SysWOW64\Sys32\EXWE.007

      Filesize

      5KB

      MD5

      8148ef191adcb3a30fbf777b1642dd06

      SHA1

      79027d2c6b2b14da631a133eeba2a0a102914e39

      SHA256

      ce5f8b7b0c338711fbc5359ed79c12139c6cdce2a5cdbb53797287800239c2e0

      SHA512

      8b285260652ce586fc4c8dd8ab26f726634fd50208e9278767461c37f9f4d98857a867322e312ee3b5bcbb9b33d9ff9cb055af7ec9318c2419244c2efcbb2153

    • C:\Windows\SysWOW64\Sys32\EXWE.exe

      Filesize

      475KB

      MD5

      f7f2f0d8ed270a51c6bce37645b0e8dc

      SHA1

      3f48aff739c3add1bd951e28c4d11ec24e345adf

      SHA256

      fa0921f68dec9797bff50e5f3e466c01702eeeff254070c1705ced427edc725b

      SHA512

      a9c948ad52df9cd83cb4972938b1e1a1751e316d61303eb571ea47e3175d823545ec15951701173f40f1577cc644d1f612e477376730a5fb5d375f2683cc9092

    • memory/716-23-0x00000000005D0000-0x00000000005D1000-memory.dmp

      Filesize

      4KB