Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10/02/2025, 10:16

General

  • Target

    JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe

  • Size

    576KB

  • MD5

    da5593648eca0f7fbe0f214387525505

  • SHA1

    26a3e3f4931e48c8eda2e4e3a7c8bba52aa97632

  • SHA256

    f68988b26b3dd81ac50ef3887a5d5294fba69893db9dd718338971f1deef2230

  • SHA512

    41079a4bf38b9d51e4bd0686568a2078d74dc2cd42a123424f65dcf171f3058db8c140d94869f6aa09e0ac72d564edce1512b6774d6d3d5a56656a76b88278aa

  • SSDEEP

    12288:xbF74eB5xz+SRJ4ctKAmxUi4H2ZJqQT2ZJqQf:l54eB3z+SRJ4ctoxMH2ec2eE

Malware Config

Signatures

  • 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 3 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5593648eca0f7fbe0f214387525505.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:2868
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe"
      2⤵
      • Executes dropped EXE
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • \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_da5593648eca0f7fbe0f214387525505.exe

    Filesize

    536KB

    MD5

    3fca9ea09c7006aa225847a85a6ee0cf

    SHA1

    282de0e7c31f3f041609be13a30da6972389cdaf

    SHA256

    74a5f522daa2a52e3b9a8e7761312a094128079474f3ccd7192a3be0f33ed47e

    SHA512

    546ee6db5c081bf2fda6421c80f2d120f1941b58f3c1be256a4022394f85f046b5f9b2ec215f026c141185b138a227a34e2c858bd4cf9bba81781b3d14386de9

  • memory/2776-88-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2868-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2868-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2868-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2868-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2868-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2868-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB