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Analysis

  • max time kernel
    137s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2025, 06:24

General

  • Target

    JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe

  • Size

    952KB

  • MD5

    9113e90180121aef04bce6f955abcd3f

  • SHA1

    083ccca74257bafc6547a6e4bcb9b3c59703c076

  • SHA256

    74cf0cd3c6d97651a240bdcadef58f88a9f56e06ceaf9b247777a023a81583b4

  • SHA512

    ff67d25b1f9c8c917b18a982f195c98e14ad2a5073fc4b99b90e363bf61c450162ed19a61620a3ab1473670f4d2beb96d913cc1d78620c09ba51f002b81dc256

  • SSDEEP

    12288:1+Txbat6yWIWEYeozu38EF3FfC4f3R9fGUhG3xCVITuREvqkxQWXQJixJ8nitW9a:qC6yaEVK5w9uwG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"
      2⤵
      • 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:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/1740-27-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-3-0x0000000000320000-0x000000000034C000-memory.dmp

    Filesize

    176KB

  • memory/1740-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/1740-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-7-0x00000000003B0000-0x00000000003C2000-memory.dmp

    Filesize

    72KB

  • memory/1740-8-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/1740-1-0x0000000001220000-0x0000000001314000-memory.dmp

    Filesize

    976KB

  • memory/3016-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-28-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3016-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3016-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3016-29-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3016-30-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3016-31-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3016-32-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3016-33-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB