Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 14:58

General

  • Target

    bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe

  • Size

    928KB

  • MD5

    bc8c9c47fbc12ecf67d1d2db3945475c

  • SHA1

    206b5978993ebe4c257a9fb4d020589468118d44

  • SHA256

    1371ed0e3652cdad077d790e54feec632246b2c457ce225a7536b0fb9d4489d7

  • SHA512

    3ea78baee9f493de47f5b746525e9e68919bda31654c15acadc18957ecfa50f6193d4bc35db8fdc3d1c46e65b7fe8d38a00dd72b3181f23f0ef48a45182ff1eb

  • SSDEEP

    24576:M5/eqDVN7IQhqbY82pVNjEFG1+2zLwfaUm:MVeqx6QhqYXtEFdA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kissme4eva

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hEbxgBEArIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA13F.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2632
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA13F.tmp

    Filesize

    1KB

    MD5

    53eff391bbccbd428f8e8d635633ab1c

    SHA1

    4c6d097617c1aea02412abbb3cb67e5585facbe3

    SHA256

    7c8e571dfb4afdf05da202c362a843b321ca4176b9dd750b3b9f692a3cd7161e

    SHA512

    f62e56f195eead8eb7c361d0513f8cf9c27cc883d212bd924c259665416af7c56c15bbc82e2dcd2a488cc5ab3f8921205fff7c34958dbb7d5ebe2deef215efd4

  • memory/1520-4-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/1520-5-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/1520-27-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/1520-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/1520-1-0x00000000009D0000-0x0000000000AC2000-memory.dmp

    Filesize

    968KB

  • memory/1520-6-0x0000000004AB0000-0x0000000004B2E000-memory.dmp

    Filesize

    504KB

  • memory/1520-7-0x0000000005B30000-0x0000000005BAA000-memory.dmp

    Filesize

    488KB

  • memory/1520-2-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/1520-3-0x00000000003B0000-0x00000000003BA000-memory.dmp

    Filesize

    40KB

  • memory/2812-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-13-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-17-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-23-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-26-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-21-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2812-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-11-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB