Analysis

  • max time kernel
    93s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 10:31

General

  • Target

    e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe

  • Size

    853KB

  • MD5

    a9ea323ea2de4868acfb99b7959b54b6

  • SHA1

    b66217db6ffda157a9252611f6b1d528f76f0420

  • SHA256

    e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167

  • SHA512

    eff66d932ba7d246b20fe71da264ecbabb430d27bec97bbe258f0b4ca6a43843426f5251579b444ae5fd02fbcf8d9ee8cb9030c7e7c20727bb36e813e1b3117f

  • SSDEEP

    12288:27auaN1gTyQcG+yDXEdKemm6EIJtZcIuE4VGnYZzHmPKuDVFSrdtTJHlgrdm4Vzu:27sQclMXk6OVGn2zGS6VAd

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.

  • 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.

  • 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\e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe
    "C:\Users\Admin\AppData\Local\Temp\e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3972
    • 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\e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CkVzvA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4972
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkVzvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DD6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe
      "C:\Users\Admin\AppData\Local\Temp\e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536

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

    7f5be82468c6f9699ab1e57dbd23b461

    SHA1

    d44d0c0908a7666731c93d7bc877f13490ac40b9

    SHA256

    887f835ca8539500c0d6f4b24f295b195ca8c58b413a390f09e294b8ec8bc4a8

    SHA512

    bdb4d19784164cce3e9e3ef979d0e6b56c26627c57fbfb9abb309dccb64f4d807f1fdd0504432f028655ffa07e246c98a7d8560fb871775aa1ff25625556f6d9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eogcnqus.zap.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9DD6.tmp

    Filesize

    1KB

    MD5

    f643995d5fe4c49269f9d39d06249c47

    SHA1

    849f7a805b7b4be38e419975b3d1924b83738337

    SHA256

    68cec0d555d5966268975c7690724d58812902969dfdb1a9807520d16adee8f1

    SHA512

    9474b383f206c0f10d1f4bf84cc48bc405c343f339b2a776911f94fb6ec3d50ad89f85665fcd14e7acc7427ece55700d5cdb7a1e533b54f19fd0d47169dd7e64

  • memory/2536-91-0x00000000060C0000-0x0000000006110000-memory.dmp

    Filesize

    320KB

  • memory/2536-46-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3744-45-0x0000000005830000-0x0000000005B84000-memory.dmp

    Filesize

    3.3MB

  • memory/3744-77-0x00000000072F0000-0x0000000007386000-memory.dmp

    Filesize

    600KB

  • memory/3744-89-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-82-0x0000000007390000-0x0000000007398000-memory.dmp

    Filesize

    32KB

  • memory/3744-79-0x00000000072A0000-0x00000000072AE000-memory.dmp

    Filesize

    56KB

  • memory/3744-15-0x00000000047F0000-0x0000000004826000-memory.dmp

    Filesize

    216KB

  • memory/3744-16-0x0000000004E60000-0x0000000005488000-memory.dmp

    Filesize

    6.2MB

  • memory/3744-17-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-18-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-19-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-76-0x00000000070E0000-0x00000000070EA000-memory.dmp

    Filesize

    40KB

  • memory/3744-75-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/3744-74-0x00000000076B0000-0x0000000007D2A000-memory.dmp

    Filesize

    6.5MB

  • memory/3744-23-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

    Filesize

    136KB

  • memory/3744-73-0x0000000006D30000-0x0000000006DD3000-memory.dmp

    Filesize

    652KB

  • memory/3744-26-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/3744-51-0x00000000062F0000-0x0000000006322000-memory.dmp

    Filesize

    200KB

  • memory/3744-25-0x0000000005590000-0x00000000055F6000-memory.dmp

    Filesize

    408KB

  • memory/3744-52-0x00000000750D0000-0x000000007511C000-memory.dmp

    Filesize

    304KB

  • memory/3744-62-0x0000000006D00000-0x0000000006D1E000-memory.dmp

    Filesize

    120KB

  • memory/3744-49-0x0000000005D30000-0x0000000005D4E000-memory.dmp

    Filesize

    120KB

  • memory/3744-50-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

    Filesize

    304KB

  • memory/3972-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

    Filesize

    584KB

  • memory/3972-9-0x0000000006900000-0x0000000006982000-memory.dmp

    Filesize

    520KB

  • memory/3972-4-0x0000000005090000-0x000000000509A000-memory.dmp

    Filesize

    40KB

  • memory/3972-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/3972-5-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-6-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/3972-8-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-7-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/3972-1-0x0000000000510000-0x00000000005EC000-memory.dmp

    Filesize

    880KB

  • memory/3972-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

    Filesize

    5.6MB

  • memory/3972-48-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-10-0x0000000008FA0000-0x000000000903C000-memory.dmp

    Filesize

    624KB

  • memory/4972-90-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-81-0x00000000077E0000-0x00000000077FA000-memory.dmp

    Filesize

    104KB

  • memory/4972-80-0x00000000076E0000-0x00000000076F4000-memory.dmp

    Filesize

    80KB

  • memory/4972-22-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-63-0x00000000750D0000-0x000000007511C000-memory.dmp

    Filesize

    304KB

  • memory/4972-78-0x00000000076A0000-0x00000000076B1000-memory.dmp

    Filesize

    68KB

  • memory/4972-21-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-20-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB