Analysis

  • max time kernel
    147s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 17:37

General

  • Target

    845261d1133cf6d21dc2b756bff6282285739c4856582fc369ad4f688e128dce.exe

  • Size

    1.1MB

  • MD5

    87eb4ab4033081b7f43d983be380eaaf

  • SHA1

    7417d9006b798ebdf722a5372b885de86fcc73ff

  • SHA256

    845261d1133cf6d21dc2b756bff6282285739c4856582fc369ad4f688e128dce

  • SHA512

    89e83526479df625c9e5e73108ec7c37c2573409de8c85c3a09e3b9984d8cb8a515b88d6fff89a2ccbf45a19da8f246a926d744e9797e5bf6e77e7dbb312a291

  • SSDEEP

    24576:vCMd92C77NeTxXQo72s3cz1QGsbdnRHj:vld92eeTxAj9QtZn

Malware Config

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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\845261d1133cf6d21dc2b756bff6282285739c4856582fc369ad4f688e128dce.exe
    "C:\Users\Admin\AppData\Local\Temp\845261d1133cf6d21dc2b756bff6282285739c4856582fc369ad4f688e128dce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2876
    • 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\845261d1133cf6d21dc2b756bff6282285739c4856582fc369ad4f688e128dce.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TcfmupXpmmXUQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1916
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TcfmupXpmmXUQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6765.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288

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

    b01cf58d0a171811d1c7b09caec5c941

    SHA1

    6d94e2ef46495034126bd1a89a5998552debceb4

    SHA256

    202dd1ed8e2a6e4e644fca5846ac50b14e55ff7db8c8df0aeb4127393cfaff8b

    SHA512

    ef9d895c7265d98a2fe2eedb0d49b6c4342f6a0fae507f61bc944b59df639d8052e94f9684017e6d948e26a406febab909f84116a968d6cc6e49131dfba86de8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yndgvjh2.qgu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6765.tmp

    Filesize

    1KB

    MD5

    d506474707350f13463f06f1334b2aab

    SHA1

    fe421cfc3b29aa13166edf2c6a364e8bb9e8e08d

    SHA256

    d5fb1c2a99e170f805e480c94e4595bb39759ffd3ff474533f7d9e8184bd1bc9

    SHA512

    0f6f6e8bafa6bfad41b818cc181d3759a9b09e8713fb8f484e24c1c364f719452c5e63d534101d9a78be452fc5d14fc5b908c5644b8f05b48bd3c7c818f4881d

  • memory/1916-63-0x00000000075B0000-0x0000000007C2A000-memory.dmp

    Filesize

    6.5MB

  • memory/1916-66-0x00000000071F0000-0x0000000007286000-memory.dmp

    Filesize

    600KB

  • memory/1916-61-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

    Filesize

    120KB

  • memory/1916-85-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-82-0x0000000007290000-0x0000000007298000-memory.dmp

    Filesize

    32KB

  • memory/1916-81-0x00000000072B0000-0x00000000072CA000-memory.dmp

    Filesize

    104KB

  • memory/1916-79-0x00000000071B0000-0x00000000071C4000-memory.dmp

    Filesize

    80KB

  • memory/1916-78-0x00000000071A0000-0x00000000071AE000-memory.dmp

    Filesize

    56KB

  • memory/1916-77-0x0000000007170000-0x0000000007181000-memory.dmp

    Filesize

    68KB

  • memory/1916-32-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-65-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

    Filesize

    40KB

  • memory/1916-64-0x0000000006F70000-0x0000000006F8A000-memory.dmp

    Filesize

    104KB

  • memory/1916-28-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-30-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-51-0x0000000074D10000-0x0000000074D5C000-memory.dmp

    Filesize

    304KB

  • memory/1916-50-0x0000000006BD0000-0x0000000006C02000-memory.dmp

    Filesize

    200KB

  • memory/1916-62-0x0000000006E20000-0x0000000006EC3000-memory.dmp

    Filesize

    652KB

  • memory/2288-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-90-0x0000000006230000-0x0000000006280000-memory.dmp

    Filesize

    320KB

  • memory/2876-4-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/2876-9-0x0000000009AD0000-0x0000000009B6C000-memory.dmp

    Filesize

    624KB

  • memory/2876-7-0x0000000006D50000-0x0000000006D60000-memory.dmp

    Filesize

    64KB

  • memory/2876-6-0x0000000006080000-0x000000000609A000-memory.dmp

    Filesize

    104KB

  • memory/2876-1-0x0000000000CD0000-0x0000000000DE8000-memory.dmp

    Filesize

    1.1MB

  • memory/2876-3-0x0000000005BD0000-0x0000000005C62000-memory.dmp

    Filesize

    584KB

  • memory/2876-2-0x00000000060A0000-0x0000000006644000-memory.dmp

    Filesize

    5.6MB

  • memory/2876-47-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/2876-8-0x0000000007460000-0x00000000074E2000-memory.dmp

    Filesize

    520KB

  • memory/2876-5-0x0000000005C70000-0x0000000005C7A000-memory.dmp

    Filesize

    40KB

  • memory/2876-0-0x000000007448E000-0x000000007448F000-memory.dmp

    Filesize

    4KB

  • memory/4484-18-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-17-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-67-0x0000000074D10000-0x0000000074D5C000-memory.dmp

    Filesize

    304KB

  • memory/4484-16-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-15-0x0000000005580000-0x0000000005BA8000-memory.dmp

    Filesize

    6.2MB

  • memory/4484-14-0x0000000002A20000-0x0000000002A56000-memory.dmp

    Filesize

    216KB

  • memory/4484-89-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-49-0x0000000006380000-0x00000000063CC000-memory.dmp

    Filesize

    304KB

  • memory/4484-48-0x0000000006350000-0x000000000636E000-memory.dmp

    Filesize

    120KB

  • memory/4484-31-0x0000000005E10000-0x0000000006164000-memory.dmp

    Filesize

    3.3MB

  • memory/4484-20-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/4484-21-0x0000000005BB0000-0x0000000005C16000-memory.dmp

    Filesize

    408KB

  • memory/4484-22-0x0000000005C20000-0x0000000005C86000-memory.dmp

    Filesize

    408KB