Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:11

General

  • Target

    9d0d641072e19a15513008b8e7fc98d9b866be80e3a2ae2a5ab622b498a1e4c9.exe

  • Size

    752KB

  • MD5

    47dc4f629841e718c7ea7a4b8918833d

  • SHA1

    ab05ea754d14c6cf388db5d0d43fbed34173e4e4

  • SHA256

    9d0d641072e19a15513008b8e7fc98d9b866be80e3a2ae2a5ab622b498a1e4c9

  • SHA512

    a66e940e99316b1b5ddc09aa815d6ae7830c1fbae417072597b8edf4f9364e79d26e80229b4f55c54cba4f87d7c36cf962b31fbb8793441c369a3d0e302fe29f

  • SSDEEP

    12288:JZS5+GcGUskvFq7aYD7AAFV3CTLcLmAB/4mF60r2rACR5leZlNa:JZSjcGh8qOCEg3CsyABAU606A+erk

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks up external IP address via web service 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d0d641072e19a15513008b8e7fc98d9b866be80e3a2ae2a5ab622b498a1e4c9.exe
    "C:\Users\Admin\AppData\Local\Temp\9d0d641072e19a15513008b8e7fc98d9b866be80e3a2ae2a5ab622b498a1e4c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\9d0d641072e19a15513008b8e7fc98d9b866be80e3a2ae2a5ab622b498a1e4c9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CzkhmaLWOuNhZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CzkhmaLWOuNhZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3840.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2904
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3840.tmp

    Filesize

    1KB

    MD5

    4ec9f5085a482d98a8c49b906288e819

    SHA1

    5f19e13d0126d734ae076492d9d6251e276ffd03

    SHA256

    bf6837fc3b2806bddf9a53df89b23b197afc23c0519b575fae5a313364f273fe

    SHA512

    fd81a60214ba42cd324d7b8046beb78e221a72b4b82c8808468759f8b49837984606d5c3edd705599df222ff55c49f593577c8f57ba01fd105d67a3d7fb2b2f0

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4EMKFAS3OG8C2JAUEVLJ.temp

    Filesize

    7KB

    MD5

    d32390eea5680e660f532db91bfda8b8

    SHA1

    74ecf79e302c32f9331c4879a81927e8d5fb34a9

    SHA256

    8d8e524924f565003dc232ae52445678e7200d9536880f7e3330d544e3c997d4

    SHA512

    1b9a5ced82b58effc78db074b38db0c1dd4bf63ec773d0626ad34605d6bdb4180e3d52cb17ffe281733f78050e3dadab428856c2c1104eb45a64b18542c957ba

  • memory/2220-31-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000001030000-0x00000000010F2000-memory.dmp

    Filesize

    776KB

  • memory/2220-2-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-3-0x0000000000530000-0x0000000000552000-memory.dmp

    Filesize

    136KB

  • memory/2220-4-0x00000000004E0000-0x00000000004F0000-memory.dmp

    Filesize

    64KB

  • memory/2220-5-0x0000000005140000-0x00000000051C2000-memory.dmp

    Filesize

    520KB

  • memory/2220-0-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/2544-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2544-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB