Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 05:11

General

  • Target

    JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe

  • Size

    159KB

  • MD5

    77d02fa7ff30c4290e4a1ed1744e2c03

  • SHA1

    7d6f79e2afc011b0d851a512dc465ef37760de06

  • SHA256

    5ae0d673d5d428f492a94d99920844b03853a53c6bf79dae2d191133fda4c6dd

  • SHA512

    aebffd45fd124ac4f519e6f74b053b7b0ea1a2e44c80c2d94bf3545260ef4f6a70cb345c6dc9dbe38449cfdf26f8619756b68e7f5891adbf1e1d7513aec98553

  • SSDEEP

    3072:sr85CqjuSTCm0fQRVQB9o9oxJ/FC7JQAUWCIj:k9qjJWmxVl9+cpt

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\nsz8E0F.tmp\ioSpecial.ini

    Filesize

    1KB

    MD5

    87836d7485636c91ce558af62eac4dd5

    SHA1

    24b3dd68d306f2445200aef2c057ee23c4421bdb

    SHA256

    f219efa709abb3194b161cfb24af6bbd023c36e26ffbf83e24ae711a2e76879a

    SHA512

    831ef2e61c50f961af449937434cc708fec264be37e5c96c05d958980eb31e502d0ad15544d6ac7651a24c3f1db5f1ca8f1583ef3430ce2fd0584319faa2bb55

  • C:\Users\Admin\AppData\Local\Temp\nsz8E0F.tmp\ioSpecial.ini

    Filesize

    1KB

    MD5

    c076785fc66a0b9ce1d68c4f3d3f162a

    SHA1

    695db1e8f31bab104aa6e2adfb0d7a0b92d7f076

    SHA256

    6b7e62f022b02ab800c98b420d8322d7b08d3eaad5c4cd7dc4406c258a893aab

    SHA512

    9943ad3f42e1174e4d790552dead621d6fe4922c2e85f58d8fe9c7ace0e3fb204ad01f628e2c29956f31b6fe98a0688feafd6ac84a9782a0c70c8c54290d0040

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_77d02fa7ff30c4290e4a1ed1744e2c03.exe

    Filesize

    118KB

    MD5

    65b7192657ce2b6519fb5a86027b9b03

    SHA1

    570848012b1dddfd061da5032b847fe1e85b21ec

    SHA256

    b9d0ff32daf1a12fa088a09b2cf8d7bbbe7ac931accc4f6006f051d9469b3c36

    SHA512

    db4761530dc89692b86313966bc0ec8e7dd15b31be056871efe114d35e26bd0cbf26d46e76865a0fd142c4e84ac8adfb62eed028bb31ec3d68b5bd4dffa82b18

  • \Users\Admin\AppData\Local\Temp\nsz8E0F.tmp\InstallOptions.dll

    Filesize

    15KB

    MD5

    6982595ed8bad3e983d6200201b9a1ab

    SHA1

    ddf3790820f6800e975e2293d46c95e1429b1d3d

    SHA256

    efb07b38b205f4dcde166887df43c089cfecff627099922cc0c88fce27075063

    SHA512

    3bf611bf9792b275632dc6980bb8f8ff522109db7365c936b2a340d2997ace6658af6dce3c8082de4e3a5b64cd2324ac21f67de061908933666fb1aa529a6eed

  • memory/2152-170-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2152-171-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2152-172-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2152-173-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2152-175-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB