Analysis

  • max time kernel
    144s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 19:19

General

  • Target

    JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.exe

  • Size

    346KB

  • MD5

    7b596ffec2d358608f0b9a5cd8558940

  • SHA1

    9d9c844c04339905591447ad06642efe7d229c00

  • SHA256

    6be7e959d0db1898e2f487f927a8da7f26807c8a8db331031ee18e87ebd99c61

  • SHA512

    d7242d0182cd5ccbefd66cd7ca5861d17c97f5cf765c73ba2e6134b53411c2d111e2cca59a2c9d7976c859712edba0e6fac13d7b36c0ecb86503f45241fcd90c

  • SSDEEP

    6144:k9c/hU0YRwi0LkD4ZFpTAikzo43sG74nKIXvvTNK+tspz2/na4y://WNV0wicNzV8GMKI/8+ts9Ona7

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 5 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.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:2296
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Users\Admin\AppData\Local\Temp\is-5PUCG.tmp\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-5PUCG.tmp\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.tmp" /SL5="$500EE,58880,0,C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1424

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_7b596ffec2d358608f0b9a5cd8558940.exe

    Filesize

    305KB

    MD5

    e171be86c67696a547b38a3639622508

    SHA1

    e91e0feb5fd69fd2dab3589d2b94f96dffe0e9c9

    SHA256

    f0d14cf04075ca3e092bbaac6b7afa97e6f2386d92de0c843cf04304c70a6797

    SHA512

    8c206efb32af5170f9c5e0320a9e11da0392efbe515896b69b04f6e26b4f3fb262807e26a95b26bda4867d6b8fee4e4665d37b4c7442a102f70f519be0b5711b

  • \Users\Admin\AppData\Local\Temp\is-36ABS.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-5PUCG.tmp\JaffaCakes118_7b596ffec2d358608f0b9a5cd8558940.tmp

    Filesize

    692KB

    MD5

    12be24b11645a104f8fbfb35c60066d1

    SHA1

    0f912164da1297b1efb8366d424b2759264519ef

    SHA256

    1e5e8f0f5262e3fe5686a6f2aefedf8a99b0f33369b118007dc8e216ee4306e8

    SHA512

    4f4ac9e91966cd962bd8b421cd15c2b098c91309463ed3cdbbb1c9e2bef2117295e4ee203d63ca00b59eb961e99d4033ea65359caff30b25612feecf6c38ab5d

  • memory/1424-106-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-110-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-130-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-128-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-126-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-102-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-124-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-122-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-108-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-20-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-112-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-114-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-116-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-118-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1424-120-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2296-104-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2296-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2324-12-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2324-101-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2324-8-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB