Analysis

  • max time kernel
    134s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 14:59

General

  • Target

    8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe

  • Size

    909KB

  • MD5

    8363557176af3185d1d9d7a786d45da2

  • SHA1

    c82dcf4920c5db1f3178c86c42ea0c00a1676387

  • SHA256

    3ef74b6463840fce135b1b38b7f1dfdf88954105a2b270603b289bbc3c3f9002

  • SHA512

    9db5019c8282d6ff6d91139fd66d5649aa1a8176b19236c7e4504000d1896533e1623198b5e607814c3b8fd7c5b0b21a0aa917ea0859be2e95cd71215142cb06

  • SSDEEP

    24576:coR6qgSD/7iCZ3exdG7ssq5gsC0nIOMyz:Ps7XXOsz/IOMa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtppro.zoho.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    onyedikachi1

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • AgentTesla payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8363557176af3185d1d9d7a786d45da2_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:2848
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Users\Admin\AppData\Local\Temp\3582-490\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1044

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\8363557176af3185d1d9d7a786d45da2_JaffaCakes118.exe

    Filesize

    869KB

    MD5

    dc48298f19bb6f6fb30f997d6f327b15

    SHA1

    11fc8d48bf253e4b79a82947ec2685b04556d1f3

    SHA256

    82a617b8169608e73ce761f98793ee01e8d6c936bd2f0a7048f1fcb9bea283c8

    SHA512

    babd22997d743be0e70acdc16ffd7359c1f152fecf8f9933b8e08cba4f452b4ae6a7b6b6eab5c393ea9b40ead332bf49de04079ada4a081302be99390ced4d95

  • memory/1044-97-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-109-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-110-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-100-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-101-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-103-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-105-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1044-106-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2116-15-0x0000000001D90000-0x0000000001DAA000-memory.dmp

    Filesize

    104KB

  • memory/2116-94-0x0000000009160000-0x0000000009204000-memory.dmp

    Filesize

    656KB

  • memory/2116-95-0x0000000001F40000-0x0000000001F7C000-memory.dmp

    Filesize

    240KB

  • memory/2116-90-0x0000000073B60000-0x000000007424E000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-89-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

    Filesize

    4KB

  • memory/2116-14-0x0000000073B60000-0x000000007424E000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-13-0x0000000000080000-0x0000000000160000-memory.dmp

    Filesize

    896KB

  • memory/2116-12-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

    Filesize

    4KB

  • memory/2116-108-0x0000000073B60000-0x000000007424E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2848-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2848-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB