Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 10:36

General

  • Target
    a939990e53457e2ef115dab976c792a4_JaffaCakes118.exe
  • Size 802KB
  • Sample240614-mnj3vsxamf
  • SHA256 30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 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\a939990e53457e2ef115dab976c792a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a939990e53457e2ef115dab976c792a4_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      PID:3916
  • 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 --field-trial-handle=4356,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=3656 /prefetch:8
    1⤵
      PID:3400

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-1181767204-2009306918-3718769404-1000\desktop.ini.exe
          • Size 803KB
          • SHA256 ef1f9a271aff7a172bd5da08c1eebff74cfdc8947e6743f713844b44c00faece
          • MD5 SHA1 SHA512 SSDEEP

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 d44015a4fadb2549019c54dbfec0e1f5022fbd0f4ed6dd6fb49bdeae40b28d47
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 78410e95dcf6f16c749151836a7e4b001a2ea0706c48bbe0872979ee6049cbfa
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 68e2ccd7f954eea3dddd800ba9cfa0b57ff5876fd80e7aa9b5ce58ef298a627e
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 39eaa280966bb270726bb78ddf246e2ad974f6e32a39c6c08202455f10d8fcad
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 ca5f0a0d986bbae3235a383a5276a0e524e4896e22b30869c655d4e93ecc0420
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 69151b28d4118950821ef750f2bb5692234103aaa4cd5d1d462625edcb41a615
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 abebdce730bfc8bf42f9a194b0584bb67b9075af6ff4feb3a41586ef3065fab6
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 b73768b10975d46d9f55dee46bf9731ddebadf3629c9f15528507651f909de99
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 60bc03d69647c1279da23eb27884fc8c09666af5756890e573dce37ff86093b6
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 9102db1cab9fad1a010ededca365b51ed694611a846620fd91edf71814127631
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 a2f955d7a9b777b07df66a5a48fe077a8ad12348b8e92df25184e045c6983b4f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 8c3f74b28db235a15e90a0aa2aafdbaa33f1a16d587102ac5037684a2cd6cf4a
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 ad9e7ac53a66445acafadaae761fd48bdf2634883fdba8b96db3662b63ff96cc
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 e0d459a89c260c2ce4be22fe2eeb9de0af1922ad393080e38d2e7b806e68b9f1
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 f7e9ae170b99e9acb7561ea5372aa76e74b09ceb81f43e0ebaf1ba33594b0673
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 4c27f53ac46ecba8938a4e620d18dcdb02717cc7716b98a0fbecd650ea9d0f18
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 d845608b9325e7ab4d25a55f134cd90e8bc7c547dfa85006a9130bf8e53f05bd
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f87c653d962ce6d41a8633ba7040f1105c0be57a0839181a7855a3f48344ca1b
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 961cb4cba81157e0cbb5805907d8dfad19e1ff1cf74f5442d04d0a8d099ae30a
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 dfa5be066012307621153ebd7422b6f13c07ac07c22bbffd813741cfea4ca499
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 2ed91d7febefff303b4941d9bd49e51e37219fa4871fa339004349717beeb836
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f9d5b6fdaebfe52f1b24cae296c32bf4dd303c193dd5bfbfaf091918cd37f444
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 1545f4b4082c637e935a20334b8cf15b8901966d29f12808a414961abfbdaa29
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 063c12120ebb092614c95335620df7f01f05aefeb47005b75dd38767cbc41085
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 bb874f97b120d864385af855274f1ffbb71a47bc90dbe6ce92f20d808c85ee36
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 e07c5fbea2d810745be9d3aac3aca5358c03304885e90a3bbbd3b485adddba07
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 07620eba1352e153a061c452523ec56977948e427c40018ec880d69433728afa
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 5c2b6b30f2c1974d06aafa924e5238255b674acd6d3d1854f944241fd71fb2c3
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 593e5b60130b0d404a18ed99aee55d139246afd6f845c9f4ddac55c776d3db12
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 c58b73163de58f7232f050f58e8cbdf892d4f72651caf0ffe2aafcbc680ddc72
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f334c083edb5fcd536bca1412f9d7e28dcd8168ff8e70fffda43588e5a86288b
          • MD5 SHA1 SHA512

          HelpMe.exe

          • Path C:\Windows\SysWOW64\HelpMe.exe
          • Size 610KB
          • SHA256 d95eb04f5480edde2664ef0e81dc51890cdd7340a5cb66e4c088ea56546019e7
          • MD5 SHA1 SHA512 SSDEEP

          desktop.ini.exe

          • Path F:\$RECYCLE.BIN\S-1-5-21-1181767204-2009306918-3718769404-1000\desktop.ini.exe
          • Size 803KB
          • SHA256 cfd8d860bd09ea1122a43ac5a1a23f0b297e26cbbaeaa875a6bd50709534a908
          • MD5 SHA1 SHA512 SSDEEP

          AUTORUN.INF

          • Path F:\AUTORUN.INF
          • Size 145B
          • SHA256 cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
          • MD5 SHA1 SHA512

          AutoRun.exe

          • Path F:\AutoRun.exe
          • Size 802KB
          • SHA256 30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7
          • MD5 SHA1 SHA512 SSDEEP

          memory/1012-76-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-126-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-108-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-116-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-59-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-49-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-61-0x00000000020D0000-0x00000000020D1000-memory.dmp

          memory/1012-89-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-169-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-100-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-70-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-134-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-161-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-151-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1012-0-0x00000000020D0000-0x00000000020D1000-memory.dmp

          memory/1012-142-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-127-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-143-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-77-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-90-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-152-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-50-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-71-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-135-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-162-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-5-0x00000000021C0000-0x00000000021C1000-memory.dmp

          memory/3916-60-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-109-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-170-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-101-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3916-117-0x0000000000400000-0x0000000000478000-memory.dmp