Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 21:06

General

  • Target

    81ec3324640bf31cbecc5e3dd79204d3_JaffaCakes118.exe

  • Size

    2.5MB

  • MD5

    81ec3324640bf31cbecc5e3dd79204d3

  • SHA1

    89f151c42e9e0530194e647bb91d525c698fb5b1

  • SHA256

    2254d625ca4e9074ac88199d91e78de8fc6979e6850674c409624c765bda7092

  • SHA512

    c7e1ebb2c2f9edd1b3c6b0b9e1cd5689b1074a7aa9277eab87e5b1f93c5ec83da0a518fa9e50d7b0edef33efdfa16391ae52bac56ff4e78e777f900a6ad70f6d

  • SSDEEP

    49152:nz6OIzZTCw0Pelu8G5Uo7kUmutNPpJ6Qmub1F1ZMA:nup90PeoVOoAqBcQDbNZB

Score
8/10
upx

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • ACProtect 1.3x - 1.4x DLL software 4 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 30 IoCs
  • UPX packed file 4 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81ec3324640bf31cbecc5e3dd79204d3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81ec3324640bf31cbecc5e3dd79204d3_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\48078EA5-D060-F04B-AF83-8CF92A5B2E78\ists.dll",CmdProc --Level --Supp 578 --Ver 186
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Modifies system certificate store
      PID:2228
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\48078EA5-D060-F04B-AF83-8CF92A5B2E78\ists.dll",CmdProc --Goo --Proc checkinstall --Supp 578 --Cid 853F691E-B2DE-DD41-885D-CDEA0E521319 --Tid UA-56838662-1
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:2544
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\48078EA5-D060-F04B-AF83-8CF92A5B2E78\ists.dll",CmdProc --Check --Supp 578 --Uid 4D46C155CD9C5245B54B4B1A8EAF6EF9 --Ver 186 --Did 1224
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Maps connected drives based on registry
      PID:1500
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\48078EA5-D060-F04B-AF83-8CF92A5B2E78\ists.dll",CmdProc --Goo --Proc startinstall --Supp 578 --Cid EA73C55B-5841-4945-AE1F-29182EBBAA91 --Tid UA-56838662-1
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:1972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\05D517E27F502E8D3D31C7688EBC7A89

    Filesize

    503B

    MD5

    9a4d48ab3928d46c6484e3e825fd4573

    SHA1

    eab1e964c33950ff97aca09f5db57a918171edde

    SHA256

    2aa86ef7958671eb3d8c9da9fe66ea2ed4243cc339d4d41f730e2a653e19303c

    SHA512

    88bbac6bf9fa9f0a4168a0414c0b24cbda044e294c1f7868bf1ca3c785473d8bcd69040c6e349740724cc60c2cc68aec0b39dfb900b4aabf8066f682a5701a50

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751

    Filesize

    717B

    MD5

    822467b728b7a66b081c91795373789a

    SHA1

    d8f2f02e1eef62485a9feffd59ce837511749865

    SHA256

    af2343382b88335eea72251ad84949e244ff54b6995063e24459a7216e9576b9

    SHA512

    bacea07d92c32078ca6a0161549b4e18edab745dd44947e5f181d28cc24468e07769d6835816cdfb944fd3d0099bde5e21b48f4966824c5c16c1801712303eb6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\05D517E27F502E8D3D31C7688EBC7A89

    Filesize

    548B

    MD5

    921379835952bc5239a171a2d06dda5d

    SHA1

    4b886ece5d48306ca1c310dcf96ccaec351144d8

    SHA256

    8ce68f2e53572d24a162f28d01d89655bc3e6d8dc92075f7c30a8e3aceae8f74

    SHA512

    23c8942b6a00a7e4e3ba8e8cb3dd1f8cf45a89c9a39faabfc7b1581cb5c828491affcc18a1315045fbc733c012cfdb5d3956a0935a7c39cee06c66b3ddda3a3d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751

    Filesize

    192B

    MD5

    b29d1a6cf0e5b7b4d766310a92ba5624

    SHA1

    f3d9872371d0b5a55102fc31f7b9a486eabe0e9b

    SHA256

    206156430b08113e9b919faed0ef34eea762efeaf8e0c5d7d6a65f71487e2a75

    SHA512

    70db0ae204c448ed5d05f17e5b858ef6729498abb4f9243d6a6b68bee3de10dc0530158a95f84e12b101dadde06629710cce092206d4aad046c5c73ead24787b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    9c26815657bc3ecc7f37be6d4c88e974

    SHA1

    4ddbc5e3b03bf93efd9b10b1747900863945fab2

    SHA256

    950c5b68f56e6fd93529259d92fc5f5a89c79b6a8a230e00c1693792e4fff77c

    SHA512

    29f26b6cd43c66890df5952341f5d314ad532a4b84eb41569c7a52b9a288f9e269c07380bb08f2cc645e900a29899e1997f85a257fda571434262cf15aae0970

  • C:\Users\Admin\AppData\Local\Temp\48078EA5-D060-F04B-AF83-8CF92A5B2E78\ists.dll

    Filesize

    269KB

    MD5

    78bed877a9d9564205e98359650a9246

    SHA1

    e4bd50f48bdc9260e36bfd2731d8d85de162bfbc

    SHA256

    a2ec95353203228e798a685de97f04ac27cf9561907b559bf8f252c9425ee817

    SHA512

    267d2c9461432d8da70a65b64238680c30fe577f31e6960e9b32c9f55bf63ad0893164c521b0e3d6ec8dc21fcf206adc9f27529514960861c2fae928669138f4

  • C:\Users\Admin\AppData\Local\Temp\CabB08A.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • \Users\Admin\AppData\Local\Temp\nsy9BD3.tmp\System.dll

    Filesize

    11KB

    MD5

    3e6bf00b3ac976122f982ae2aadb1c51

    SHA1

    caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

    SHA256

    4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

    SHA512

    1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

  • \Users\Admin\AppData\Local\Temp\nsy9BD3.tmp\md5dll.dll

    Filesize

    6KB

    MD5

    7059f133ea2316b9e7e39094a52a8c34

    SHA1

    ee9f1487c8152d8c42fecf2efb8ed1db68395802

    SHA256

    32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f

    SHA512

    9115986754a74d3084dd18018e757d3b281a2c2fde48c73b71dba882e13bd9b2ded0e6e7f45dc5b019e6d53d086090ccb06e18e6efeec091f655a128510cbe51

  • \Users\Admin\AppData\Local\Temp\nsy9BD3.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    dbdbf4017ff91c9de328697b5fd2e10a

    SHA1

    b597a5e9a8a0b252770933feed51169b5060a09f

    SHA256

    be60a00f32924ccbe03f9914e33b8e1ad8c8a1ca442263a69896efba74925b36

    SHA512

    3befc15aab0a5dbe7fde96155b0499d385f2799b1a2d47ce04f37b5804006b1c6c4fff93d3cedb56a2a8172b23752b6f9dc6168cfce3596b91def3247836cf10

  • memory/1740-84-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/1740-51-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/1740-54-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/1740-57-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/1740-64-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/1740-58-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB