Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 10:22

General

  • Target

    NEAS.7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe

  • Size

    732KB

  • MD5

    106468b875d00cc329aa1645a43778c1

  • SHA1

    186b4699713518c313ce68e758d227dce8c2cbac

  • SHA256

    7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be

  • SHA512

    88b159d107baaf7960f905668c9b5516cc203a189710ed7ad3262400649153f163c89a75cf08a424ec25314632616679dcaadac4346c57cacf3e6d94361d5d69

  • SSDEEP

    12288:RInpCKMyAEcALvn4AXftrDHxmeIZkJrAhUj9FUmL7rm+HzWwkGe74FnkfrI:cwjyHXT5DHxmeIaGhUsmL73Hzfkn7M2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BzyhFGQraZNSVS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BzyhFGQraZNSVS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC8B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2620
    • C:\Users\Admin\AppData\Local\Temp\NEAS.7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBC8B.tmp

    Filesize

    1KB

    MD5

    93f2652b9875e0e3bad4f430e668869f

    SHA1

    632806286878a43ef897e1b3da26ef65c95ff481

    SHA256

    d3d24df2bd66c487d5d46e66fed1d36434fdaa639a90f593fca7cc7061493926

    SHA512

    ec1b286872fbc2a23eea8b0c30dcc92cebe1e8c98e55dd951cc9877433483d67b0cade96096f1ced5c62b1b568d26fda6c4def6fdb3f2c5188f25a2007fd73ef

  • memory/2244-32-0x000000006E2A0000-0x000000006E84B000-memory.dmp

    Filesize

    5.7MB

  • memory/2244-33-0x000000006E2A0000-0x000000006E84B000-memory.dmp

    Filesize

    5.7MB

  • memory/2244-37-0x0000000001D80000-0x0000000001DC0000-memory.dmp

    Filesize

    256KB

  • memory/2244-36-0x0000000001D80000-0x0000000001DC0000-memory.dmp

    Filesize

    256KB

  • memory/2244-38-0x000000006E2A0000-0x000000006E84B000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-4-0x0000000000440000-0x0000000000448000-memory.dmp

    Filesize

    32KB

  • memory/2324-7-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-8-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB

  • memory/2324-6-0x0000000006200000-0x0000000006284000-memory.dmp

    Filesize

    528KB

  • memory/2324-5-0x0000000000460000-0x000000000046A000-memory.dmp

    Filesize

    40KB

  • memory/2324-31-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-3-0x0000000000430000-0x0000000000446000-memory.dmp

    Filesize

    88KB

  • memory/2324-2-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB

  • memory/2324-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-0-0x00000000008A0000-0x000000000095E000-memory.dmp

    Filesize

    760KB

  • memory/2776-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-34-0x0000000000560000-0x00000000005A0000-memory.dmp

    Filesize

    256KB

  • memory/2776-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-35-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2776-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-39-0x0000000000560000-0x00000000005A0000-memory.dmp

    Filesize

    256KB

  • memory/2776-40-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB