Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:48

General

  • Target

    1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe

  • Size

    836KB

  • MD5

    9b2e2e8f8744108fda24cfeb7c90fbf1

  • SHA1

    e8361e5daf928bdf883fd61314d26c6c05dcee48

  • SHA256

    1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e

  • SHA512

    a2ef8801e9c28929f5a5ed03d25bec151c225b79cdeb1f71e4e56e282778a1c4d8450d7d15001cd44b9abdd039e0ac5cf6232095dafa8eb04f5ffbb90660d913

  • SSDEEP

    24576:Cw4bjw4bp/LxjHlOZBO+Mo49/0a/F8xsKNMD7:Cw4bjw4bbkBO+OMX3a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cozuns.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ku;_MUOVC3;E

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 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe
    "C:\Users\Admin\AppData\Local\Temp\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1028
    • 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\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1168
    • C:\Users\Admin\AppData\Local\Temp\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe
      "C:\Users\Admin\AppData\Local\Temp\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yi5fhoif.hoj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1028-6-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1028-3-0x0000000004A90000-0x0000000004B22000-memory.dmp

    Filesize

    584KB

  • memory/1028-4-0x0000000004B50000-0x0000000004B5A000-memory.dmp

    Filesize

    40KB

  • memory/1028-5-0x0000000004E40000-0x0000000004EDC000-memory.dmp

    Filesize

    624KB

  • memory/1028-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/1028-7-0x0000000004E20000-0x0000000004E3A000-memory.dmp

    Filesize

    104KB

  • memory/1028-8-0x0000000004D70000-0x0000000004D80000-memory.dmp

    Filesize

    64KB

  • memory/1028-9-0x0000000005CA0000-0x0000000005D22000-memory.dmp

    Filesize

    520KB

  • memory/1028-2-0x0000000005160000-0x0000000005704000-memory.dmp

    Filesize

    5.6MB

  • memory/1028-1-0x0000000000120000-0x00000000001F4000-memory.dmp

    Filesize

    848KB

  • memory/1028-13-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/1028-15-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-22-0x00000000055E0000-0x0000000005602000-memory.dmp

    Filesize

    136KB

  • memory/1168-58-0x0000000007B20000-0x0000000007B3A000-memory.dmp

    Filesize

    104KB

  • memory/1168-62-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-19-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-18-0x0000000005760000-0x0000000005D88000-memory.dmp

    Filesize

    6.2MB

  • memory/1168-20-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-21-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-59-0x0000000007B00000-0x0000000007B08000-memory.dmp

    Filesize

    32KB

  • memory/1168-16-0x0000000004F30000-0x0000000004F66000-memory.dmp

    Filesize

    216KB

  • memory/1168-24-0x0000000005E00000-0x0000000005E66000-memory.dmp

    Filesize

    408KB

  • memory/1168-25-0x0000000005F50000-0x00000000062A4000-memory.dmp

    Filesize

    3.3MB

  • memory/1168-56-0x0000000007A10000-0x0000000007A1E000-memory.dmp

    Filesize

    56KB

  • memory/1168-35-0x00000000064C0000-0x00000000064DE000-memory.dmp

    Filesize

    120KB

  • memory/1168-36-0x0000000006550000-0x000000000659C000-memory.dmp

    Filesize

    304KB

  • memory/1168-37-0x0000000006A90000-0x0000000006AC2000-memory.dmp

    Filesize

    200KB

  • memory/1168-38-0x00000000706D0000-0x000000007071C000-memory.dmp

    Filesize

    304KB

  • memory/1168-48-0x0000000006A70000-0x0000000006A8E000-memory.dmp

    Filesize

    120KB

  • memory/1168-49-0x0000000007690000-0x0000000007733000-memory.dmp

    Filesize

    652KB

  • memory/1168-50-0x0000000007E30000-0x00000000084AA000-memory.dmp

    Filesize

    6.5MB

  • memory/1168-51-0x00000000077E0000-0x00000000077FA000-memory.dmp

    Filesize

    104KB

  • memory/1168-52-0x0000000007850000-0x000000000785A000-memory.dmp

    Filesize

    40KB

  • memory/1168-53-0x0000000007A60000-0x0000000007AF6000-memory.dmp

    Filesize

    600KB

  • memory/1168-57-0x0000000007A20000-0x0000000007A34000-memory.dmp

    Filesize

    80KB

  • memory/1168-55-0x00000000079E0000-0x00000000079F1000-memory.dmp

    Filesize

    68KB

  • memory/5088-14-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/5088-54-0x0000000006810000-0x0000000006860000-memory.dmp

    Filesize

    320KB

  • memory/5088-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5088-23-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/5088-17-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/5088-63-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB