Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2024, 20:34

General

  • Target

    ef72e24ab26fd394f13956b3df4e7dbb_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ef72e24ab26fd394f13956b3df4e7dbb

  • SHA1

    f07dc940787323a98e75275d63ff5c68bf8f7076

  • SHA256

    526f25bdae775dc2c34287399ad1187959a6e40b10dd810bb6289ec149a4323a

  • SHA512

    bf320952eff72795936e1d62356dd94dd96eebb636320e714055b8f380f017dc4ddd96cc763e37fe32ae11688480c81151f76747a5ccd51ba95a2c84bd8e8397

  • SSDEEP

    12288:Ul2+Opz90hGdqe6livhEuSIa4ocaYmoZ/yk1MGQVKiu:nVpz6Gdqe6li5u/qaLoxtMGQpu

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 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef72e24ab26fd394f13956b3df4e7dbb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef72e24ab26fd394f13956b3df4e7dbb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\SysWOW64\28463\XIMX.exe
      "C:\Windows\system32\28463\XIMX.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:5016
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@1642.tmp

      Filesize

      4KB

      MD5

      c3679c3ff636d1a6b8c65323540da371

      SHA1

      d184758721a426467b687bec2a4acc80fe44c6f8

      SHA256

      d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

      SHA512

      494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

    • C:\Windows\SysWOW64\28463\AKV.exe

      Filesize

      395KB

      MD5

      b8fa30233794772b8b76b4b1d91c7321

      SHA1

      0cf9561be2528944285e536f41d502be24c3aa87

      SHA256

      14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

      SHA512

      10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

    • C:\Windows\SysWOW64\28463\XIMX.001

      Filesize

      510B

      MD5

      75c009e0a707939445928049b7692f0a

      SHA1

      2a5fcfa8289c38e69f40f1cc2b738b6b02bbabe5

      SHA256

      932b8e39cffe57b4c25635594dcf4dc06ced7556648a16c8ffc35709ec5be264

      SHA512

      286686e4345e2cf42158e46fd189012daca41af4efda3eb8b6139d420ab71b5b998689876b34383cdf5757dc3a54e397a2dfbd111d5e1f890931e0c70a4d9e4a

    • C:\Windows\SysWOW64\28463\XIMX.004

      Filesize

      14KB

      MD5

      bda4860df26a5882b42b6b861376199d

      SHA1

      8437ec07c9bc3001756ae0cb214b99e1e8a53fdb

      SHA256

      9ed69f6ee86a7fca1f3ef7801d08b38d9e82ab649e6169e894e48ce85b43dc30

      SHA512

      484f45aaacdb4be03752df49c337c7596d539ee0442412083fcfeea78e1c485caf1fbb25cf8a749611358e3a895232f8d0c61c91545d98a3f2a3e1aa504859c6

    • C:\Windows\SysWOW64\28463\XIMX.006

      Filesize

      8KB

      MD5

      43f02e9974b1477c1e6388882f233db0

      SHA1

      f3e27b231193f8d5b2e1b09d05ae3a62795cf339

      SHA256

      3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

      SHA512

      e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

    • C:\Windows\SysWOW64\28463\XIMX.007

      Filesize

      5KB

      MD5

      b5a87d630436f958c6e1d82d15f98f96

      SHA1

      d3ff5e92198d4df0f98a918071aca53550bf1cff

      SHA256

      a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

      SHA512

      fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

    • C:\Windows\SysWOW64\28463\XIMX.exe

      Filesize

      473KB

      MD5

      17535dddecf8cb1efdba1f1952126547

      SHA1

      a862a9a3eb6c201751be1038537522a5281ea6cb

      SHA256

      1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

      SHA512

      b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

    • memory/5016-27-0x0000000000730000-0x0000000000731000-memory.dmp

      Filesize

      4KB