Analysis

  • max time kernel
    118s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 01:06

General

  • Target

    30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe

  • Size

    949KB

  • MD5

    b5a68647eea30d0505d4875ce40d2e3a

  • SHA1

    9d6a2cd0a584d0ef3add7985befcb6b227a415c0

  • SHA256

    30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df

  • SHA512

    9337f1348dcdd368327522a638852034b6708c7f280dbd985dfa500dcc05692ca42a344bd2ed9f8b878cc6eb533e290c6fcf358da64055d96104a8c71fa0fc6a

  • SSDEEP

    24576:SXb9uCzv9yjw6CtZdtHqDY4b04sWHW28+L:EbZxyjw33GDpfx228+L

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7298628587:AAG6lzqWXJAVtphbJGL5NvKrLWQRpBYxCwU/

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Looks up external IP address via web service 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe
    "C:\Users\Admin\AppData\Local\Temp\30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • 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\30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TbKBOhScJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TbKBOhScJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C73.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:840
    • C:\Users\Admin\AppData\Local\Temp\30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe
      "C:\Users\Admin\AppData\Local\Temp\30ca5727ae84edb40e25c235e7b33cb5c2385b7e3b3b500e5c16c83a138fd0df.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cadefkb5.2ka.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7C73.tmp

    Filesize

    1KB

    MD5

    35a0e821ff2698a6e244406d3ebfb40f

    SHA1

    8325acc4c4b9ed9fe4931727010cca5802df0e51

    SHA256

    13a9c49fe853d806c401d03b0dc15a0666f017d3b3ee166fe760652ba92d4dcf

    SHA512

    6ef5cc2721fbcf18591d26b4b5e13dff496532f72ee7cc758b137990481cde02c654ed03069ed74230274b96c78d43da5ef41a2440fe21922217c909cdedec8c

  • memory/1752-65-0x0000000006E40000-0x0000000006E5A000-memory.dmp

    Filesize

    104KB

  • memory/1752-18-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1752-85-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1752-82-0x0000000007160000-0x0000000007168000-memory.dmp

    Filesize

    32KB

  • memory/1752-81-0x0000000007180000-0x000000000719A000-memory.dmp

    Filesize

    104KB

  • memory/1752-80-0x0000000007080000-0x0000000007094000-memory.dmp

    Filesize

    80KB

  • memory/1752-79-0x0000000007070000-0x000000000707E000-memory.dmp

    Filesize

    56KB

  • memory/1752-68-0x0000000007040000-0x0000000007051000-memory.dmp

    Filesize

    68KB

  • memory/1752-67-0x00000000070C0000-0x0000000007156000-memory.dmp

    Filesize

    600KB

  • memory/1752-66-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

    Filesize

    40KB

  • memory/1752-64-0x0000000007490000-0x0000000007B0A000-memory.dmp

    Filesize

    6.5MB

  • memory/1752-17-0x00000000021D0000-0x0000000002206000-memory.dmp

    Filesize

    216KB

  • memory/1752-26-0x0000000004DA0000-0x0000000004E06000-memory.dmp

    Filesize

    408KB

  • memory/1752-19-0x00000000050F0000-0x0000000005718000-memory.dmp

    Filesize

    6.2MB

  • memory/1752-51-0x0000000006B00000-0x0000000006B32000-memory.dmp

    Filesize

    200KB

  • memory/1752-62-0x00000000060F0000-0x000000000610E000-memory.dmp

    Filesize

    120KB

  • memory/1752-25-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1752-24-0x0000000004C30000-0x0000000004C96000-memory.dmp

    Filesize

    408KB

  • memory/1752-23-0x0000000004A30000-0x0000000004A52000-memory.dmp

    Filesize

    136KB

  • memory/1752-63-0x0000000006D40000-0x0000000006DE3000-memory.dmp

    Filesize

    652KB

  • memory/1752-52-0x0000000075640000-0x000000007568C000-memory.dmp

    Filesize

    304KB

  • memory/1808-5-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1808-1-0x0000000000E80000-0x0000000000F72000-memory.dmp

    Filesize

    968KB

  • memory/1808-4-0x0000000005B50000-0x0000000005EA4000-memory.dmp

    Filesize

    3.3MB

  • memory/1808-48-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1808-6-0x0000000005A80000-0x0000000005A8A000-memory.dmp

    Filesize

    40KB

  • memory/1808-7-0x0000000007410000-0x00000000074B0000-memory.dmp

    Filesize

    640KB

  • memory/1808-12-0x0000000009C80000-0x0000000009D1C000-memory.dmp

    Filesize

    624KB

  • memory/1808-2-0x0000000006060000-0x0000000006604000-memory.dmp

    Filesize

    5.6MB

  • memory/1808-8-0x0000000006050000-0x0000000006066000-memory.dmp

    Filesize

    88KB

  • memory/1808-9-0x00000000074E0000-0x00000000074EE000-memory.dmp

    Filesize

    56KB

  • memory/1808-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

  • memory/1808-3-0x0000000005AB0000-0x0000000005B42000-memory.dmp

    Filesize

    584KB

  • memory/1808-11-0x0000000007570000-0x00000000075F4000-memory.dmp

    Filesize

    528KB

  • memory/1808-10-0x00000000074F0000-0x0000000007500000-memory.dmp

    Filesize

    64KB

  • memory/3236-43-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3236-87-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

    Filesize

    320KB

  • memory/4912-20-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4912-69-0x0000000075640000-0x000000007568C000-memory.dmp

    Filesize

    304KB

  • memory/4912-21-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4912-50-0x00000000064C0000-0x000000000650C000-memory.dmp

    Filesize

    304KB

  • memory/4912-49-0x00000000061D0000-0x00000000061EE000-memory.dmp

    Filesize

    120KB

  • memory/4912-37-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4912-86-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB