Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 01:55

General

  • Target

    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\7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe
    "C:\Users\Admin\AppData\Local\Temp\7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • 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:2680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BzyhFGQraZNSVS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp62E8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3060
    • C:\Users\Admin\AppData\Local\Temp\7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe
      "C:\Users\Admin\AppData\Local\Temp\7bf25d67b156fec4db8dcb82aa4b820029421040f98dfa03f602de5a770ca2be.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp62E8.tmp

    Filesize

    1KB

    MD5

    cb645e201905060200475b733657bcc6

    SHA1

    4ce0f028ac3ed8244a70a944d4e6677efbd64dd4

    SHA256

    cee7a874d4f9895928aa3b478f2818833d83a1b0f81fcee577690956274d9efd

    SHA512

    316fe9fcca525c90b1972bb16ba40e60f068bc6fd6971192753341a04b8a45d93964df5ba8b7d6e538fa3c2dc311f60374a4eae6ffb9440b83da3625e912d2ca

  • memory/2000-28-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2000-3-0x0000000000760000-0x0000000000776000-memory.dmp

    Filesize

    88KB

  • memory/2000-0-0x00000000000D0000-0x000000000018E000-memory.dmp

    Filesize

    760KB

  • memory/2000-4-0x0000000000770000-0x0000000000778000-memory.dmp

    Filesize

    32KB

  • memory/2000-5-0x0000000000800000-0x000000000080A000-memory.dmp

    Filesize

    40KB

  • memory/2000-6-0x0000000005E80000-0x0000000005F04000-memory.dmp

    Filesize

    528KB

  • memory/2000-7-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2000-8-0x0000000004AF0000-0x0000000004B30000-memory.dmp

    Filesize

    256KB

  • memory/2000-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2000-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp

    Filesize

    256KB

  • memory/2680-31-0x000000006E650000-0x000000006EBFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-34-0x000000006E650000-0x000000006EBFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-33-0x0000000002610000-0x0000000002650000-memory.dmp

    Filesize

    256KB

  • memory/2680-32-0x0000000002610000-0x0000000002650000-memory.dmp

    Filesize

    256KB

  • memory/2712-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-30-0x00000000048F0000-0x0000000004930000-memory.dmp

    Filesize

    256KB

  • memory/2712-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-29-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-36-0x00000000048F0000-0x0000000004930000-memory.dmp

    Filesize

    256KB

  • memory/2712-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2712-35-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB