Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 23:50

General

  • Target

    JaffaCakes118_7d5a68da5471dbed704fee3645ec1ae0.exe

  • Size

    542KB

  • MD5

    7d5a68da5471dbed704fee3645ec1ae0

  • SHA1

    f98fd62f9e99872951fde8a243eb4a3a38a80e06

  • SHA256

    28aa11e771376bef3a4adb00bb48657907ca08c7a9bd5d457677cabdc2234bd4

  • SHA512

    0152b5a246727209e674c1badc55bd0c9ae28b488d2cb27e3a95cde48c5323ecd7f557f729ee6765fb0c30426c57c7ed260c0df1b393393fbd056cc379d0dbd3

  • SSDEEP

    3072:sr85CdAJvsQPSN2LhaMstRyksIz0S66t4dRk3NIkII4RKodFWUIEP1gMxIYvt//B:k9dIqwUM3Sf4HcNoI2U4ONoV9

Malware Config

Signatures

  • Detect Neshta payload 3 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 1 IoCs
  • Loads dropped DLL 2 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 1 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d5a68da5471dbed704fee3645ec1ae0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d5a68da5471dbed704fee3645ec1ae0.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:2172
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7d5a68da5471dbed704fee3645ec1ae0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7d5a68da5471dbed704fee3645ec1ae0.exe"
      2⤵
      • Executes dropped EXE
      PID:2752

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

  • \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_7d5a68da5471dbed704fee3645ec1ae0.exe

    Filesize

    502KB

    MD5

    6e54c03d93dab33514ec3e0c02531e9c

    SHA1

    2abc988757e14f29d99545a6478ae6974a85a33c

    SHA256

    538e3c10506af271b8b2b5a9d87ec5b84f19d6be20110b2b98e63b5cf537a17c

    SHA512

    316b4033b9de2b2e4ad7aeb33df9be5fda6b5ac40c9bb67f1d92156a8a601528b11e957b0431d1f5f27f16a511974d0412fbfccd8b96f79b712767e75c9e583d

  • memory/2172-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2172-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB