Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:10

General

  • Target

    975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe

  • Size

    1.0MB

  • MD5

    1eb928b69e385c3d1390eb92a069360e

  • SHA1

    f26bf21645c1f46a377db738ffd1a21adc2b6ec5

  • SHA256

    975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2

  • SHA512

    922794514e7d030e2b8011527bfe5796cfde3cc6f3070a09095f01fb6b8be55d95d9e7321da3add0075db5474aab3dc419390bfdd9c8280e7d00479356281f07

  • SSDEEP

    24576:gMfw4bjw4b+hE+j86xgMEZw4UFhcyOWUNX+094+qwQE75:9w4bjw4bYo6xuChkPB+a4HwL

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe
    "C:\Users\Admin\AppData\Local\Temp\975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • 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\975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iHAEjvt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iHAEjvt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9869.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2600
    • C:\Users\Admin\AppData\Local\Temp\975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe
      "C:\Users\Admin\AppData\Local\Temp\975b6520ddcf9fc005dda2f8c077700c90fa13d5fff6f2c160b48b0b16c789c2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9869.tmp

    Filesize

    1KB

    MD5

    22571a840f47725d37c0fc4629c1af37

    SHA1

    f8a4c27dbcf8095caeffcc1c2c473a61e16ff0e9

    SHA256

    7d5593705378874bc95a6e2ac02d0da91600730ff1d118ae16896e9119d7f016

    SHA512

    17fbe48798ffdf48b6c2891ead3410ea8a9af2fbe2509ef5f97b86f3e6fd2415346a66be5bfc6e0bd1579a868aa84864a52f0192794c6097179ecb9646e29b34

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MHL5DS8XQL6E6INSOZ1W.temp

    Filesize

    7KB

    MD5

    d0458bed920a62ebc1785ae41aa1be2d

    SHA1

    1db3f42785b328529fd7a4278232ba8588cf6cb2

    SHA256

    8684b8177a6b60be718d312e16ab73be850b7234bdf5fef4c99bfb9998a34d7e

    SHA512

    ca250750d394fed91b068da3476d5b22fd7a195a1c88ef51c44e507283de080a368c0fc07323fc1fdaf9e0254e54a955bfec595d6ae5d9fa2b05fddfb51d637b

  • memory/2448-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2448-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2944-1-0x00000000010D0000-0x00000000011D6000-memory.dmp

    Filesize

    1.0MB

  • memory/2944-2-0x0000000074620000-0x0000000074D0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2944-0-0x000000007462E000-0x000000007462F000-memory.dmp

    Filesize

    4KB

  • memory/2944-7-0x0000000074620000-0x0000000074D0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2944-6-0x000000007462E000-0x000000007462F000-memory.dmp

    Filesize

    4KB

  • memory/2944-3-0x00000000009F0000-0x0000000000A0A000-memory.dmp

    Filesize

    104KB

  • memory/2944-5-0x0000000007920000-0x00000000079A2000-memory.dmp

    Filesize

    520KB

  • memory/2944-4-0x0000000000620000-0x0000000000630000-memory.dmp

    Filesize

    64KB

  • memory/2944-32-0x0000000074620000-0x0000000074D0E000-memory.dmp

    Filesize

    6.9MB