Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 15:06

General

  • Target

    cda3b83cd0435a5fcf741403b04bcddb_JaffaCakes118.exe

  • Size

    230KB

  • MD5

    cda3b83cd0435a5fcf741403b04bcddb

  • SHA1

    e2bb76411efdc9a3617c69e37abab51dfe7dd338

  • SHA256

    e635c40a1e48af2e98ca48bec4ada63aa56312800f89145e702c279dd2aeb848

  • SHA512

    b3d5840bfe336d9d0a0ff147f647c263e1e1dd528a899a3415579a734335604dd546c7ea4d56bda7fe9bb1c0a5252b2e46f152e074d006bf51eaaec711b3d194

  • SSDEEP

    6144:k9Vfgdbj+NfxmfizrEpJ1M9MAr/RBoTbn64W4wjwEE7/ZBl9CJhGgVI:ugdi/RBoTj64xhce

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 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 2 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\cda3b83cd0435a5fcf741403b04bcddb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cda3b83cd0435a5fcf741403b04bcddb_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:2504
    • C:\Users\Admin\AppData\Local\Temp\3582-490\cda3b83cd0435a5fcf741403b04bcddb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\cda3b83cd0435a5fcf741403b04bcddb_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2684

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\cda3b83cd0435a5fcf741403b04bcddb_JaffaCakes118.exe

    Filesize

    189KB

    MD5

    591f2a726de442540cde55fc2a3c00a7

    SHA1

    9cfd0da4594fc2e93c83085163f36aa44014b31d

    SHA256

    549a154303a157ce55e79018b30f7cd9619a9236758f80969caad09dd75f2dd7

    SHA512

    2ba67308d6a69b88a0749e738d69d40b69836dfd0d5fe4eefc4a886dd7ee50d719388584477e069e530489f82ccb1006110f535e643441d11bb07ad6e7807e87

  • memory/2504-4-0x0000000002D50000-0x0000000002D85000-memory.dmp

    Filesize

    212KB

  • memory/2504-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2504-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2684-16-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB