Analysis

  • max time kernel
    146s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 18:15

General

  • Target

    72d54df06cae1c5bdb3dabd71cf3e37435800616d359acefe73672ccd7501cf0exe.exe

  • Size

    796KB

  • MD5

    8c74ef4787f3d56402bb591145205e7f

  • SHA1

    bfb1daa8d8f87f96c8063af636d2887fe46a7fae

  • SHA256

    72d54df06cae1c5bdb3dabd71cf3e37435800616d359acefe73672ccd7501cf0

  • SHA512

    6830cb76b3219fc7a068ce2b03724f1d3e6db01c263e2f283887fd3980c74b5099c0112e7a474ee7e07ea7081e56412c5eaeb7211e6299183474a37ae9bdc3b5

  • SSDEEP

    12288:n4E2Gf45+po29NZOaPLSoNMQlsgsxQYGI+giFieNJXSYGMdI+Ca7QFUqb:n4FP+pJ9NZOKLS7gIaI+gi5FCs

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72d54df06cae1c5bdb3dabd71cf3e37435800616d359acefe73672ccd7501cf0exe.exe
    "C:\Users\Admin\AppData\Local\Temp\72d54df06cae1c5bdb3dabd71cf3e37435800616d359acefe73672ccd7501cf0exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GdYgbKVLgHXaN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GdYgbKVLgHXaN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA39.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2584
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDA39.tmp

    Filesize

    1KB

    MD5

    8a3dfd81605ee567013c1320b3c5b448

    SHA1

    2a33143fca5efea8f347392fa1a56d6e4892022c

    SHA256

    e69a3673e4ef41dfe0a7675a922f534743ee3c98b9e5e30c9a109a254f5d4710

    SHA512

    a68a581f90647569b1ab28f7d001c2baa804c64f66a847c08844a080f764ebd75dad77de73643a666aacff1de7a2d65c92faf1267be0ebe1e6b8490e97700f74

  • memory/2040-25-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2040-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2040-2-0x00000000040F0000-0x0000000004130000-memory.dmp

    Filesize

    256KB

  • memory/2040-3-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/2040-4-0x0000000000560000-0x0000000000568000-memory.dmp

    Filesize

    32KB

  • memory/2040-5-0x0000000000810000-0x000000000081A000-memory.dmp

    Filesize

    40KB

  • memory/2040-6-0x0000000005D90000-0x0000000005E0C000-memory.dmp

    Filesize

    496KB

  • memory/2040-0-0x0000000000160000-0x000000000022E000-memory.dmp

    Filesize

    824KB

  • memory/2572-27-0x000000006E920000-0x000000006EECB000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-26-0x000000006E920000-0x000000006EECB000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-33-0x000000006E920000-0x000000006EECB000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-32-0x00000000025A0000-0x00000000025E0000-memory.dmp

    Filesize

    256KB

  • memory/2572-31-0x00000000025A0000-0x00000000025E0000-memory.dmp

    Filesize

    256KB

  • memory/2572-29-0x00000000025A0000-0x00000000025E0000-memory.dmp

    Filesize

    256KB

  • memory/2824-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-30-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB

  • memory/2824-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-28-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2824-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2824-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2824-36-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB

  • memory/2824-35-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB