Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 03:08

General

  • Target

    f7050176efe6a1aeda757927324d8cad_JaffaCakes118.exe

  • Size

    932KB

  • MD5

    f7050176efe6a1aeda757927324d8cad

  • SHA1

    bb3e90786c1d31782a7d95799b921405c11b5b97

  • SHA256

    ed8bbf042ec5a99ca578dfc8565d904b82ee1c4e7f28cd50341ce2bddef1c9bf

  • SHA512

    02042f536c51c35a59f8d57c90e0ee43ce00d91d64e9369ffdf5727a9962acb66180ffb0d139a08410344b0c191c0622067b4ea6309dcf417018e18d058933e0

  • SSDEEP

    24576:ABvI3JCqtxc7e8gN2GVZNbBmUAocOTiTkGQcTnSTnv:31toeN2GVZFBmLoUTk3cTnSTnv

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 4 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.

  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7050176efe6a1aeda757927324d8cad_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7050176efe6a1aeda757927324d8cad_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:2192
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f7050176efe6a1aeda757927324d8cad_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f7050176efe6a1aeda757927324d8cad_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Local\Temp\nso19BA.tmp\AhnRpt.exe
        "C:\Users\Admin\AppData\Local\Temp\nso19BA.tmp\AhnRpt.exe"
        3⤵
        • Executes dropped EXE
        • Checks for any installed AV software in registry
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\f7050176efe6a1aeda757927324d8cad_JaffaCakes118.exe

    Filesize

    892KB

    MD5

    7ef7d74ebe358ae47a82abb3dd758ae7

    SHA1

    a009ca3016a8b9528feb2b277271339254543ea8

    SHA256

    c502c034f194989db101bc53d7cde39825ab701b0ff3928a30fdafeb61b76f2b

    SHA512

    03957e19e0b6c61a2f953839454f1ffe399faed1aa8ea85713d7c0b229de1ae9ac755795304b89237f275f5eb3501200cd86c3ee857a43f4d9f1727e80e3e172

  • \Users\Admin\AppData\Local\Temp\nso19BA.tmp\AhnRpt.exe

    Filesize

    270KB

    MD5

    e658d73cdc4c5cad60c3ed548831981a

    SHA1

    836c6b6bf1e6c1008fc69bab287bb494c3396294

    SHA256

    83b1b8560fbd1c40565dbd7d3cd4a447c9295f3a249a0f339920adf5a76d3a90

    SHA512

    d089b5eea48db755d78756473a0e49ff86ecac4515b31616fc9f053062d3598f135b1fa82d550280d9d783581beed7cd2d82402f2cdea01ab0287442e83b6bf2

  • \Users\Admin\AppData\Local\Temp\nso19BA.tmp\PackAPI.dll

    Filesize

    24KB

    MD5

    8c719caf05ebcb98ca536ab450a8ee98

    SHA1

    fb69021bc4c2fb1539948a9616fb03bc68e5b420

    SHA256

    330c7533918537011fdaf16f9b6a1f5172370f4c34a01825f171724cd48e9421

    SHA512

    be357f007a9e985953d98bd8152907e7445836dd24e6e89ea949f685b2820e2f7e500af943a1afdf5182ce7759984894fa4a94264f3870c51f40f372a3663ce0

  • memory/2192-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2192-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2776-104-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-112-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-100-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-101-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-25-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-116-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-105-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-106-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-107-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-108-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-109-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-110-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-111-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-115-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-113-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2776-114-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2780-98-0x0000000002760000-0x000000000283D000-memory.dmp

    Filesize

    884KB

  • memory/2780-22-0x0000000002760000-0x000000000283D000-memory.dmp

    Filesize

    884KB