Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    84s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2022, 08:38

General

  • Target

    Bank letter.exe

  • Size

    1012KB

  • MD5

    a58b322c74d8dfba9c022607b0d0c26b

  • SHA1

    380f438ad2620f1582fe9b7d5b2ba84c3d6f3349

  • SHA256

    322a82cb52dd04f516915780a9eb9865e24bd284fedecf938e345270fa0f83b3

  • SHA512

    06d2ff7e199a1be0ca7357bb8e9bdbcc63f00d1082cab4ef086f344b6b88c00e2885db5e369329220463237558a43280b0d249349511ca9d6e01f8bac13f3118

  • SSDEEP

    12288:SLw5APwiU251kh53ZLsVOdl0160HQV7g5D+8Egpe0kOrZsEnGvjbLhsRuDIQoiCa:IPOoSbdlYHQVGioZNtrB3m

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

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

  • 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 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\Bank letter.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank letter.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZDSHLar" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE985.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE985.tmp

    Filesize

    1KB

    MD5

    535555b643bd44b45b2ab55a26af7cab

    SHA1

    3a774ab38153a0f75bc79e7e1cc50aa96b5aa18d

    SHA256

    5b62a93cdab19399df00061a3336a9ca69fb41d51a6e347e39b3c2048dfbc5c9

    SHA512

    36a5618e67340a858dd6fbe69e16352c81074b484db5a5c80577abb93c98a3a9eadf6cb7c2d13179d4ec9c54e8e701d7c03381188bfcf38cf159d1c55b2c7309

  • memory/1496-57-0x0000000005D80000-0x0000000005E3A000-memory.dmp

    Filesize

    744KB

  • memory/1496-54-0x0000000000C80000-0x0000000000D84000-memory.dmp

    Filesize

    1.0MB

  • memory/1496-58-0x0000000005E40000-0x0000000005EB6000-memory.dmp

    Filesize

    472KB

  • memory/1496-56-0x0000000000310000-0x0000000000322000-memory.dmp

    Filesize

    72KB

  • memory/1496-55-0x0000000076161000-0x0000000076163000-memory.dmp

    Filesize

    8KB

  • memory/1744-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1744-71-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB