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Analysis

  • max time kernel
    47s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/06/2023, 10:11

General

  • Target

    QUOTE #21440170.exe

  • Size

    689KB

  • MD5

    6f20bdc25100357d2696eb7b48f6fb18

  • SHA1

    b6bdd55fe0b158ac6073001270188441feab9ad4

  • SHA256

    4024305f22679e7580e906744bba5ad9193fbe444c9b30b24845f135886a3c86

  • SHA512

    ffb1df83d229f917e90368d6c406b73dc020ada95386d2ba109f4c712964cbf7e9e275a5ed45fb32c1d467bde119f00672f2a9ef4cda8bcfd23591c089952d58

  • SSDEEP

    12288:lro7WxISxii8tnmH8FHLMMUAi9gC9ymc1pBWMm:l3xIYirtnW8FHM/9LB6M

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE #21440170.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE #21440170.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jvHHTwCVEuk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp95EA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:732
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp95EA.tmp

    Filesize

    1KB

    MD5

    029384fa24334cd29a888871db38469f

    SHA1

    29b3f76a55414469d243b44ddacc2174a64463f2

    SHA256

    d52c91f16fff063530c7ba7af72ee06ed977ee60b9646c9f9d23e448bd4489f7

    SHA512

    31442cc9099b06cce5767c0c0de793e567218accb7a573986b53d322353e10b51bbe488656ab1c5c32fec3887623cb75d5ba6c1c73f22f29d50baba9657366f8

  • memory/588-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-75-0x0000000004F30000-0x0000000004F70000-memory.dmp

    Filesize

    256KB

  • memory/588-73-0x0000000004F30000-0x0000000004F70000-memory.dmp

    Filesize

    256KB

  • memory/588-72-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/588-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/588-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2000-56-0x0000000000260000-0x0000000000274000-memory.dmp

    Filesize

    80KB

  • memory/2000-54-0x0000000001390000-0x0000000001442000-memory.dmp

    Filesize

    712KB

  • memory/2000-55-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2000-59-0x0000000000D50000-0x0000000000D80000-memory.dmp

    Filesize

    192KB

  • memory/2000-58-0x0000000005170000-0x00000000051EE000-memory.dmp

    Filesize

    504KB

  • memory/2000-57-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB