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Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2024, 01:13

General

  • Target

    6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe

  • Size

    685KB

  • MD5

    b4b53ed604a7aceb07fea84544bb9b3f

  • SHA1

    b7aac6a8c4584ffdcbfabaa9bbbe67a699a18cfc

  • SHA256

    6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe

  • SHA512

    b2d50d63a0aa011b738ccc36235d3aa00451b5033e5b56a9cdbf57ccbdbe9f2a92d4d065c201b398c5632aa800d7aa0a483a560e2d189dd5cabc34cc26ede650

  • SSDEEP

    12288:S6iN882Bo2SvPXr4zbUc1EkgVDasvuK60RtWAOqnDKyHbiN9kR:S6u2BoPPIT1EkwDRvzRteK7H

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ridafruits.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ridagan163

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 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 10 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\6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe
    "C:\Users\Admin\AppData\Local\Temp\6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1416
    • 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\6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NxYNKVx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NxYNKVx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC0A.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1152
    • C:\Users\Admin\AppData\Local\Temp\6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe
      "C:\Users\Admin\AppData\Local\Temp\6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    f92bd620bfe8f97ebecd811d28485eb7

    SHA1

    1a391d32702f3d163e48f10409fe35c37e0932fd

    SHA256

    2bc6f83a5b3d0184480dd4863b46ad4a91587ea38ec4376bb44d32636cd99eeb

    SHA512

    71834399e170b25c3c02a338939e0213760fcdeb448cf5f574d842ccf9d42c6c8ff761993268ab518e9b164e1fccc15460773c0b70587dd6d8278c33763c4ce4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oshuyjp2.pcy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCC0A.tmp

    Filesize

    1KB

    MD5

    c300c419b6fbfddb37019d4606aa4c93

    SHA1

    4a48e8a4878eedada8b07d9f4c517237ad01dfed

    SHA256

    6a629875f15b25c10bb5be40f01a7ea93716edfe8d23e94e0470f0a8b6a2cb32

    SHA512

    183917abd907604f6b731b6b5d19e2d6b2e08cf5a52c03bf2cadedf5d5ae8ccbb87b0272f2892a102550fd59cd22059594b5d02b928b26c04ec9eb7ff32c33c9

  • memory/1264-90-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/1264-38-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1416-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/1416-7-0x0000000005A50000-0x0000000005A5E000-memory.dmp

    Filesize

    56KB

  • memory/1416-8-0x0000000006770000-0x00000000067F4000-memory.dmp

    Filesize

    528KB

  • memory/1416-9-0x0000000009140000-0x00000000091DC000-memory.dmp

    Filesize

    624KB

  • memory/1416-6-0x0000000005A30000-0x0000000005A4A000-memory.dmp

    Filesize

    104KB

  • memory/1416-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

    Filesize

    40KB

  • memory/1416-3-0x00000000053E0000-0x0000000005472000-memory.dmp

    Filesize

    584KB

  • memory/1416-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/1416-2-0x0000000005A90000-0x0000000006034000-memory.dmp

    Filesize

    5.6MB

  • memory/1416-47-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/1416-1-0x0000000000960000-0x0000000000A0C000-memory.dmp

    Filesize

    688KB

  • memory/4648-73-0x00000000076F0000-0x0000000007D6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4648-50-0x0000000006D20000-0x0000000006D52000-memory.dmp

    Filesize

    200KB

  • memory/4648-21-0x0000000005740000-0x00000000057A6000-memory.dmp

    Filesize

    408KB

  • memory/4648-14-0x0000000002460000-0x0000000002496000-memory.dmp

    Filesize

    216KB

  • memory/4648-89-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4648-15-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4648-20-0x0000000005620000-0x0000000005686000-memory.dmp

    Filesize

    408KB

  • memory/4648-46-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4648-17-0x0000000004DB0000-0x0000000004DD2000-memory.dmp

    Filesize

    136KB

  • memory/4648-16-0x0000000004E80000-0x00000000054A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4648-82-0x00000000073D0000-0x00000000073D8000-memory.dmp

    Filesize

    32KB

  • memory/4648-61-0x0000000006F60000-0x0000000006F7E000-memory.dmp

    Filesize

    120KB

  • memory/4648-51-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

    Filesize

    304KB

  • memory/4648-81-0x00000000073F0000-0x000000000740A000-memory.dmp

    Filesize

    104KB

  • memory/4648-80-0x00000000072F0000-0x0000000007304000-memory.dmp

    Filesize

    80KB

  • memory/4648-78-0x00000000072B0000-0x00000000072C1000-memory.dmp

    Filesize

    68KB

  • memory/4648-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4648-74-0x00000000070B0000-0x00000000070CA000-memory.dmp

    Filesize

    104KB

  • memory/4648-75-0x0000000007120000-0x000000000712A000-memory.dmp

    Filesize

    40KB

  • memory/4648-77-0x0000000007330000-0x00000000073C6000-memory.dmp

    Filesize

    600KB

  • memory/5000-32-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-79-0x0000000007640000-0x000000000764E000-memory.dmp

    Filesize

    56KB

  • memory/5000-72-0x00000000070C0000-0x0000000007163000-memory.dmp

    Filesize

    652KB

  • memory/5000-62-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

    Filesize

    304KB

  • memory/5000-49-0x0000000006680000-0x00000000066CC000-memory.dmp

    Filesize

    304KB

  • memory/5000-85-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-48-0x0000000005FF0000-0x000000000600E000-memory.dmp

    Filesize

    120KB

  • memory/5000-37-0x0000000005AD0000-0x0000000005E24000-memory.dmp

    Filesize

    3.3MB

  • memory/5000-44-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-43-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB