Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 09:22

General

  • Target

    b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    b04a6d85478ed0d7c5412fb33144ac66

  • SHA1

    62b85e54a7ac25b0c28c49edc87ffc1de50d9132

  • SHA256

    eb9bb6d093d588970961e95c5eaae0958a57e1e6c5aa7488e2a0c6b67c8824f1

  • SHA512

    50d37c22aa05564a186d36cc8c71f5c03c16d769f1d0a5e9982808829937ef24cb14106c09ef5ca52e564ddd3668f0afc17048ae92c9a3ab691b45250c4e0c4e

  • SSDEEP

    1536:JxqjQ+P04wsmJCq+mfDswK42610PKld00ZHBBzDEqiMxXYpQtMDc6fnpumJyM:sr85ChDwe610Co0ZTDETMZYg4pumJh

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 2 IoCs
  • Loads dropped DLL 10 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.

  • NSIS installer 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.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:1528
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2716
      • 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
        PID:2344

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\b04a6d85478ed0d7c5412fb33144ac66_JaffaCakes118.exe

    Filesize

    102KB

    MD5

    82bfade950dbbe22bfcf1b7da1fb7951

    SHA1

    7763cc485f07730bc689c5bf302e745c99f01f28

    SHA256

    f79ce141a862892d5aeec886d1b469add4823969d04ecc4d4d23bb1085608a9a

    SHA512

    5daadf3042f2258075a6a3c20d8391447f5c73b0c2e98b18ac010ef7e7e379bd9ea65c813d772b9a75fa8222c23ae0053e2ab708d1032aabdd5c7471c34bdbb7

  • \Users\Admin\AppData\Local\Temp\nst8AA5.tmp\System.dll

    Filesize

    11KB

    MD5

    c6f5b9596db45ce43f14b64e0fbcf552

    SHA1

    665a2207a643726602dc3e845e39435868dddabc

    SHA256

    4b6da3f2bdb6c452fb493b98f6b7aa1171787dbd3fa2df2b3b22ccaeac88ffa0

    SHA512

    8faa0204f9ed2721acede285be843b5a2d7f9986841bcf3816ebc8900910afb590816c64aebd2dd845686daf825bbf9970cb4a08b20a785c7e54542eddc5b09a

  • memory/1528-110-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1528-112-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB