Analysis

  • max time kernel
    136s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 19:12

General

  • Target

    8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe

  • Size

    851KB

  • MD5

    65d33bde1b9e3d11e7b3ce0767fd22ec

  • SHA1

    bf2496621ae5c35c3ba4056af0290ba1104c7056

  • SHA256

    8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055

  • SHA512

    7b5ae1a98fbcf8196b9d8a4cd856e4bb7a8cfbc996ac9b792e8cfee2b670c76ab64ab7a478a7b142bdb03b86cacc803b984ebac302a095eff4f0cb10ff09a318

  • SSDEEP

    12288:0e2VXNGg3VBx6k/+Ac0ZXN07M8NHNOraQ5ZCKaGSTij9N/Uu49f2FSWuEz8/A1yp:0e2zsk55m7M8NH8RCAIu49O8jEA/G

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe
    "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1748
    • 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\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4904
    • C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe
      "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yg02fwjb.f15.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1748-10-0x0000000009030000-0x00000000090CC000-memory.dmp

    Filesize

    624KB

  • memory/1748-15-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/1748-4-0x00000000050F0000-0x00000000050FA000-memory.dmp

    Filesize

    40KB

  • memory/1748-5-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/1748-6-0x0000000006A40000-0x0000000006A50000-memory.dmp

    Filesize

    64KB

  • memory/1748-7-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/1748-8-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/1748-9-0x0000000006A60000-0x0000000006AE4000-memory.dmp

    Filesize

    528KB

  • memory/1748-0-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/1748-3-0x0000000005110000-0x00000000051A2000-memory.dmp

    Filesize

    584KB

  • memory/1748-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

    Filesize

    5.6MB

  • memory/1748-1-0x0000000000610000-0x00000000006EA000-memory.dmp

    Filesize

    872KB

  • memory/2516-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-16-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2516-17-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/2516-65-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2516-64-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2516-55-0x0000000006FE0000-0x0000000007030000-memory.dmp

    Filesize

    320KB

  • memory/2516-14-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-23-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-51-0x00000000079C0000-0x000000000803A000-memory.dmp

    Filesize

    6.5MB

  • memory/4904-21-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

    Filesize

    136KB

  • memory/4904-24-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-30-0x0000000005A60000-0x0000000005DB4000-memory.dmp

    Filesize

    3.3MB

  • memory/4904-35-0x0000000006050000-0x000000000606E000-memory.dmp

    Filesize

    120KB

  • memory/4904-36-0x00000000065D0000-0x000000000661C000-memory.dmp

    Filesize

    304KB

  • memory/4904-39-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

    Filesize

    304KB

  • memory/4904-38-0x0000000007030000-0x0000000007062000-memory.dmp

    Filesize

    200KB

  • memory/4904-49-0x0000000006590000-0x00000000065AE000-memory.dmp

    Filesize

    120KB

  • memory/4904-50-0x0000000007270000-0x0000000007313000-memory.dmp

    Filesize

    652KB

  • memory/4904-22-0x0000000005140000-0x00000000051A6000-memory.dmp

    Filesize

    408KB

  • memory/4904-52-0x0000000007370000-0x000000000738A000-memory.dmp

    Filesize

    104KB

  • memory/4904-53-0x00000000073F0000-0x00000000073FA000-memory.dmp

    Filesize

    40KB

  • memory/4904-54-0x00000000075F0000-0x0000000007686000-memory.dmp

    Filesize

    600KB

  • memory/4904-19-0x0000000005210000-0x0000000005838000-memory.dmp

    Filesize

    6.2MB

  • memory/4904-56-0x0000000007570000-0x0000000007581000-memory.dmp

    Filesize

    68KB

  • memory/4904-57-0x00000000075A0000-0x00000000075AE000-memory.dmp

    Filesize

    56KB

  • memory/4904-58-0x00000000075B0000-0x00000000075C4000-memory.dmp

    Filesize

    80KB

  • memory/4904-59-0x00000000076B0000-0x00000000076CA000-memory.dmp

    Filesize

    104KB

  • memory/4904-60-0x0000000007690000-0x0000000007698000-memory.dmp

    Filesize

    32KB

  • memory/4904-63-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-20-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-18-0x0000000002770000-0x00000000027A6000-memory.dmp

    Filesize

    216KB