Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 04:48

General

  • Target

    FOR 817 4429601.exe

  • Size

    851KB

  • MD5

    cbcac7423afa2b0dc72712763a4e1eb3

  • SHA1

    39f3a89371412b93e4cdb7df7212c0290e4bfd22

  • SHA256

    e085c2b585c5a43e93001485c6ec2fe56e9cd8b7b509f971ff0072c7f1a1a99e

  • SHA512

    9456ff5bf3ca861644232b43dc5afba6ac853a73bd9ba2d2257c0c333992dbfeca3ac8268ff8bb2d4d8265f9bd3665fd2bf6ef46c3b95b0b1edd74ecee4972eb

  • SSDEEP

    12288:KKOlbxrh0IO8DfymhIB5HPAw0nhAaoKF0l2XqbVRr+QHZjcXUpS8tJP:O/fymm5H4w0XF0lyqXtjuUpS8

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 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\FOR 817 4429601.exe
    "C:\Users\Admin\AppData\Local\Temp\FOR 817 4429601.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1388
    • 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\FOR 817 4429601.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jjQPSpXjfwt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jjQPSpXjfwt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE98.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2200
    • C:\Users\Admin\AppData\Local\Temp\FOR 817 4429601.exe
      "C:\Users\Admin\AppData\Local\Temp\FOR 817 4429601.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FOR 817 4429601.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    fa5bd5160ccaa6d0936b9a1a8a86513a

    SHA1

    31cbf5b8496f9077f66136dcb2d86a3f842d9386

    SHA256

    14f4acf6915ed5a09a07385f240a63bfdcfb04d9ba7fdb9d54ca4536aebd8936

    SHA512

    fae03906b38cb384ee66cdf60cd1ad121cae5b3e6a42f2f53e4866d44d8fb7cc12d3f4770c885eb8adf6d15d04b2218ce7b936ed3395090e64d889e359a1cf2d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_suocfb1r.v31.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDE98.tmp

    Filesize

    1KB

    MD5

    bfc71b5723e3d095939a03d86fed54ed

    SHA1

    e92b6dded3e6a9347ef15c2c9b8dc02135afdd11

    SHA256

    182cb8ab41574a0283f654d40e31a92f35a6de9c8c95fb2868c3f9dd14052696

    SHA512

    830a91e5a23ea610bb4433acc445b10c90d1c09d3fc360410567bf12086407e000cd3d8c72035f69d171614212ca3c3978ccb370724e4dc3dbf6f90f7a14ce0a

  • memory/1388-4-0x0000000005B60000-0x0000000005B6A000-memory.dmp

    Filesize

    40KB

  • memory/1388-6-0x0000000005CA0000-0x0000000005D3C000-memory.dmp

    Filesize

    624KB

  • memory/1388-7-0x0000000005E40000-0x0000000005E66000-memory.dmp

    Filesize

    152KB

  • memory/1388-8-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/1388-9-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-10-0x0000000003230000-0x00000000032B8000-memory.dmp

    Filesize

    544KB

  • memory/1388-5-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

    Filesize

    584KB

  • memory/1388-0-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/1388-49-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

    Filesize

    5.6MB

  • memory/1388-1-0x0000000000EF0000-0x0000000000FCA000-memory.dmp

    Filesize

    872KB

  • memory/1696-76-0x0000000007A50000-0x0000000007A6A000-memory.dmp

    Filesize

    104KB

  • memory/1696-74-0x0000000007920000-0x00000000079C3000-memory.dmp

    Filesize

    652KB

  • memory/1696-89-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-82-0x0000000007D90000-0x0000000007DAA000-memory.dmp

    Filesize

    104KB

  • memory/1696-19-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-48-0x0000000006350000-0x00000000066A4000-memory.dmp

    Filesize

    3.3MB

  • memory/1696-41-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-81-0x0000000007C90000-0x0000000007CA4000-memory.dmp

    Filesize

    80KB

  • memory/1696-80-0x0000000007C80000-0x0000000007C8E000-memory.dmp

    Filesize

    56KB

  • memory/1696-78-0x0000000007CD0000-0x0000000007D66000-memory.dmp

    Filesize

    600KB

  • memory/1696-77-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

    Filesize

    40KB

  • memory/1696-50-0x0000000006720000-0x000000000673E000-memory.dmp

    Filesize

    120KB

  • memory/1696-51-0x0000000006750000-0x000000000679C000-memory.dmp

    Filesize

    304KB

  • memory/1696-54-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

    Filesize

    304KB

  • memory/1696-18-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-52-0x00000000076C0000-0x00000000076F2000-memory.dmp

    Filesize

    200KB

  • memory/3088-34-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/3088-22-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-75-0x0000000007DA0000-0x000000000841A000-memory.dmp

    Filesize

    6.5MB

  • memory/3088-53-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

    Filesize

    304KB

  • memory/3088-23-0x0000000005C20000-0x0000000005C42000-memory.dmp

    Filesize

    136KB

  • memory/3088-33-0x0000000005E40000-0x0000000005EA6000-memory.dmp

    Filesize

    408KB

  • memory/3088-79-0x0000000007960000-0x0000000007971000-memory.dmp

    Filesize

    68KB

  • memory/3088-73-0x0000000006970000-0x000000000698E000-memory.dmp

    Filesize

    120KB

  • memory/3088-17-0x00000000054F0000-0x0000000005B18000-memory.dmp

    Filesize

    6.2MB

  • memory/3088-90-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-83-0x0000000007A80000-0x0000000007A88000-memory.dmp

    Filesize

    32KB

  • memory/3088-16-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-15-0x0000000004E80000-0x0000000004EB6000-memory.dmp

    Filesize

    216KB

  • memory/3088-20-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-35-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/5080-91-0x0000000006A60000-0x0000000006AB0000-memory.dmp

    Filesize

    320KB