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Analysis

  • max time kernel
    135s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 16:00

General

  • Target

    tmp1nhfhbl9.exe

  • Size

    859KB

  • MD5

    61136861ddae7d53a0165c710bab05fe

  • SHA1

    3e001e090821562908369a797feb14da17199747

  • SHA256

    8ccca04fe86f770d8057a7209a6d31da8df7bace6f4a3d8e04d5bbfefc2661f3

  • SHA512

    0ecb011c573972f3ceef4ed12413f4f207094fb9d36daac3a727783058f7401946e678809f4ed436b8b54d0adec46f28c83df90a55bf588228d5e87769a67c23

  • SSDEEP

    12288:qZ9sUz1S6QUxvBKXbGiQOp8j8VQaZrWOreSuNe9PE4Xbm9i72lGP7r9r/+pppppL:AVdeQO2CQaZrA5EdE4rmkEG1q

Malware Config

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 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp1nhfhbl9.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp1nhfhbl9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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\tmp1nhfhbl9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GWanLXwQAKvmjC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GWanLXwQAKvmjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2DC2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3496
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3004

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

    4ab8365f3102cfd77c7d3cbb8c142a03

    SHA1

    04b32ab15ac6982acb7e128753bfa0974696e76c

    SHA256

    1c9281bed294ec1a9ccd117d381394c4ecf521caf08b16deb3a77f9d44bb8b4b

    SHA512

    f2c0218f4a7b56c3c0c994117056af20d61cc63b034be7c5c9264e5b7edc2ebea074555de043f5501e2f62c9e75f5681fe02254712cc758aa47f7805461066c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o2eedeqt.hf2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp2DC2.tmp

    Filesize

    1KB

    MD5

    460bc2d7cd05bf5094b2f6b71792d6e1

    SHA1

    53bc78f2de88c257e6e5767e1559c6a2d602c57f

    SHA256

    2b18e9c63d20229237ff550dc4e3a0e6bc167d994a29f44a55b17ea969962eae

    SHA512

    2fce748a8943983efd08ced4ce9701ac1cc542bffb2e932e3d76198b7dd91b39c5b1e7ee58a55026661c257529ca888ae569a515b318860c9f944f17d7a3ca35

  • memory/1172-76-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

    Filesize

    40KB

  • memory/1172-78-0x0000000007D40000-0x0000000007D51000-memory.dmp

    Filesize

    68KB

  • memory/1172-62-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

    Filesize

    120KB

  • memory/1172-51-0x0000000006E00000-0x0000000006E32000-memory.dmp

    Filesize

    200KB

  • memory/1172-52-0x000000006FA80000-0x000000006FACC000-memory.dmp

    Filesize

    304KB

  • memory/1172-48-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/1172-49-0x0000000006850000-0x000000000689C000-memory.dmp

    Filesize

    304KB

  • memory/1172-75-0x0000000007B40000-0x0000000007B5A000-memory.dmp

    Filesize

    104KB

  • memory/1172-63-0x0000000007850000-0x00000000078F3000-memory.dmp

    Filesize

    652KB

  • memory/1172-17-0x0000000005960000-0x0000000005F88000-memory.dmp

    Filesize

    6.2MB

  • memory/1172-79-0x0000000007D70000-0x0000000007D7E000-memory.dmp

    Filesize

    56KB

  • memory/1172-19-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1172-20-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1172-88-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1172-40-0x0000000006320000-0x0000000006674000-memory.dmp

    Filesize

    3.3MB

  • memory/1172-25-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2096-2-0x0000000005C30000-0x00000000061D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2096-1-0x0000000000AD0000-0x0000000000BAC000-memory.dmp

    Filesize

    880KB

  • memory/2096-3-0x00000000055C0000-0x0000000005652000-memory.dmp

    Filesize

    584KB

  • memory/2096-5-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2096-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/2096-4-0x00000000055B0000-0x00000000055BA000-memory.dmp

    Filesize

    40KB

  • memory/2096-10-0x000000000A580000-0x000000000A61C000-memory.dmp

    Filesize

    624KB

  • memory/2096-50-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2096-9-0x0000000007E50000-0x0000000007ED2000-memory.dmp

    Filesize

    520KB

  • memory/2096-8-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2096-7-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/2096-6-0x0000000007E40000-0x0000000007E50000-memory.dmp

    Filesize

    64KB

  • memory/2716-16-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2716-24-0x00000000057B0000-0x0000000005816000-memory.dmp

    Filesize

    408KB

  • memory/2716-74-0x0000000007750000-0x0000000007DCA000-memory.dmp

    Filesize

    6.5MB

  • memory/2716-89-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2716-45-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2716-77-0x0000000007390000-0x0000000007426000-memory.dmp

    Filesize

    600KB

  • memory/2716-21-0x0000000004F20000-0x0000000004F42000-memory.dmp

    Filesize

    136KB

  • memory/2716-64-0x000000006FA80000-0x000000006FACC000-memory.dmp

    Filesize

    304KB

  • memory/2716-80-0x0000000007350000-0x0000000007364000-memory.dmp

    Filesize

    80KB

  • memory/2716-81-0x0000000007450000-0x000000000746A000-memory.dmp

    Filesize

    104KB

  • memory/2716-82-0x0000000007430000-0x0000000007438000-memory.dmp

    Filesize

    32KB

  • memory/2716-23-0x0000000005740000-0x00000000057A6000-memory.dmp

    Filesize

    408KB

  • memory/2716-18-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2716-15-0x00000000024C0000-0x00000000024F6000-memory.dmp

    Filesize

    216KB

  • memory/3004-46-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3004-90-0x0000000005FD0000-0x0000000006020000-memory.dmp

    Filesize

    320KB