Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 06:19

General

  • Target

    4bbbf95d1e9e08e941793d09025b64ba_JaffaCakes118.exe

  • Size

    960KB

  • MD5

    4bbbf95d1e9e08e941793d09025b64ba

  • SHA1

    f7daf40baa402ac821da552e523b6cf320fbb0a8

  • SHA256

    f7260b1a600e49566d16d95e98011a1530bda3eecc47cc1c4b37af3403b2e0af

  • SHA512

    a7e52d2f0f62ed4626fc1f9c81058d102a61114e7fbacec8d78b41c7b69e8d72f1721a44c66d03659a8c19fc161dc4ba025305a9f97b65c5b0d1a49cf88d90a2

  • SSDEEP

    24576:4wOLewpgW2Ie1HcRAVJlI7P6VBeMMMMMMmrv:4DiwpgQLRAVJcCVAMMMMMMmrv

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4bbbf95d1e9e08e941793d09025b64ba_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4bbbf95d1e9e08e941793d09025b64ba_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
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4bbbf95d1e9e08e941793d09025b64ba_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4bbbf95d1e9e08e941793d09025b64ba_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.lnk

    Filesize

    1KB

    MD5

    0134a0796b780d19ac62e8ac286ee57f

    SHA1

    15dfad0c637bbd1e6a4ada68809efc2e2e5f09da

    SHA256

    f425021a2d9f610fe3ac58b5602833c820ee4d60415833b26b176e913abf0a39

    SHA512

    ace5e56bdbce787cde7d33b017e00db3ff7b9b8df0456cd2e582627dbaca09eba8f1d04bb416f872a87d4cac021e1cc68472b60e61caf87db65615ac5fa88ff4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4bbbf95d1e9e08e941793d09025b64ba_JaffaCakes118.exe

    Filesize

    919KB

    MD5

    399098498d00605a3e0da7227be0de36

    SHA1

    313cfda91f8b183d6672916014332ec71ece02db

    SHA256

    b8b5b060505eb58d828f068abd63b525ba61260cc3468d5bbd1f4d37e07e72bf

    SHA512

    bc10afd1ed231349528678f8c4b59aa4fa47edf94c8ea7bec418fcbe6b89bfa3027a197b82e186e4094d98d6ca538f55a7a46e872809f38dc7d04ef77d5da99f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.lnk

    Filesize

    1KB

    MD5

    16b08952be7fff0365a3b951b61e412b

    SHA1

    e47bcf80761773a6eb7747c708718974065642f7

    SHA256

    1f06f4df8d4f40d6817a5f79ef223a7d91c3dff844643badc6f7ffaaf1028b69

    SHA512

    2b8b170523867a0a1aaa64d47cb226b53cfb490e003a3a3baf97e548823fb7f34888ffff68f2d37b0e899e01fd6cfb684252cc36b8e8e4f30091acd241ce80de

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1372-123-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-110-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-95-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-144-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-87-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-100-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-105-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-92-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-115-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-120-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-141-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-128-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-131-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1372-136-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1668-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1668-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB