Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 03:52

General

  • Target

    JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe

  • Size

    103KB

  • MD5

    627c7ed53aab44cf52b9a7679ddb5580

  • SHA1

    23ac5ca6fb426f7d31cc09097c97c6921159ab34

  • SHA256

    4e1be8750ef6d46fbb2f673e0857474980424efc744c84f53f19f559cfa71755

  • SHA512

    867f962064453282dcf6a20eeefe389e769005c5036559472fa01b567e49bcb2c237710ee62c5c8367b9fbf7a531cb53b54e2d395a711d268102d4c0129fb0dd

  • SSDEEP

    1536:JxqjQ+P04wsmJCL9BPVt7H5pUFil0K9lFTiXWnSq+3UDznkC/o:sr85CLDVtTXUFil0K9lFTaWn/+EDLkX

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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.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:2380
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe"
      2⤵
      • Executes dropped EXE
      PID:1312

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_627c7ed53aab44cf52b9a7679ddb5580.exe

    Filesize

    63KB

    MD5

    5f20b811d6aa3a91bc915a487291ef56

    SHA1

    a42a9101be82e0603cfdc092e7e00d634cb85604

    SHA256

    6c5e17160d75ef07d85856a555393516914ae4426a8390ce6d9c2a7e105a28b0

    SHA512

    ba1dd9691227fcdcb227d89db64aec237424041af52c6d8daa3b8426468caf43283a5f347b6f514f6f564d6bfbd00009cca4e2690cf493c626509eb248910672

  • memory/2380-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2380-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB