Analysis

  • max time kernel
    103s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:14

General

  • Target

    6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe

  • Size

    887KB

  • MD5

    4662014d81ff911437b031dec304db3e

  • SHA1

    12c52986806b796a1b9aa75c646ce9491a4becf3

  • SHA256

    6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021

  • SHA512

    7ae1acfe72a9762e111068db67ee57ab085ea7dcfa80bada2a0bea7c2af527e6b77edee2a00e441d8d47c70664feef45cc24058e8823b6632f1cd36c0a2c2e94

  • SSDEEP

    12288:+7zhNdyvUIZbV/O1bJGOD0CInmWC4H9bz97tk5J6f0uZzn9zF:+7MvDB/l00CInCwvBO6NZz9z

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vistakencana.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    m33R3bus!

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 6 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe
    "C:\Users\Admin\AppData\Local\Temp\6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:456
    • 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\6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sELElpWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92E4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
    • C:\Users\Admin\AppData\Local\Temp\6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe
      "C:\Users\Admin\AppData\Local\Temp\6f30e8539abe8bd2d0cd8feea166845c1cb17036a2133fe8d3213c7c5f6e1021.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4952

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

    954fa17c581fb9ead4702767231534e1

    SHA1

    0a2f770ccbbae971060ae377e53b7a08af8ebef3

    SHA256

    9b79199d9fe6efa200f6a8d9cac015cd39d3b839e306c967e5d3e362e51f0ef9

    SHA512

    a770859674af296528142ecb320a1e84559f2ad7b758a5eee32c5850ebd50ed1b4695d28f2955c7ddb4b484eefc814afd41b0f2a766b7c61d927a4953372a0fc

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

    Filesize

    18KB

    MD5

    69e3d2bc8d3db2c3a70b326304942291

    SHA1

    b1a03eda263f08df381a9a899e742a5681308624

    SHA256

    a2fdd0ea808206c59f41cc3d1a42457804f187182a6e549b6fd1ac5a1c32d6d3

    SHA512

    07696af66420a30f8baf39ab4b5c32136f647d89be63222525a37d64fd0c49f4ff12cded70e8f764402e05cf34a13c31b2f5f714c21d7351e12e7ebf9b3351a2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y5ptcbhd.hdx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp92E4.tmp

    Filesize

    1KB

    MD5

    b23edf0d5f4fa3cdcc370a3fdd46f813

    SHA1

    32d26d7dc8fbdcad51abdd5289afce8e918b65f6

    SHA256

    bed308c2b1d44759600470a22927e963e51083802682838052d65149a9a9dc43

    SHA512

    2c65e52c1f173668fcfc1b9e1fa201031564e3485d5f18c45890b63f42f8dd1c16006145c11fd11a810e7c6e66b894fd32fc0096dc4e9de39e0282b7d7d42ccc

  • memory/456-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/456-12-0x0000000000E00000-0x0000000000E3E000-memory.dmp

    Filesize

    248KB

  • memory/456-7-0x0000000005260000-0x00000000052B6000-memory.dmp

    Filesize

    344KB

  • memory/456-8-0x0000000005570000-0x0000000005592000-memory.dmp

    Filesize

    136KB

  • memory/456-9-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/456-10-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/456-11-0x0000000000C60000-0x0000000000CDA000-memory.dmp

    Filesize

    488KB

  • memory/456-6-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/456-13-0x0000000006760000-0x00000000067C6000-memory.dmp

    Filesize

    408KB

  • memory/456-4-0x0000000005020000-0x00000000050B2000-memory.dmp

    Filesize

    584KB

  • memory/456-3-0x00000000055D0000-0x0000000005B74000-memory.dmp

    Filesize

    5.6MB

  • memory/456-2-0x0000000004F80000-0x000000000501C000-memory.dmp

    Filesize

    624KB

  • memory/456-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/456-40-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/456-1-0x0000000000480000-0x0000000000562000-memory.dmp

    Filesize

    904KB

  • memory/1456-85-0x000000006F570000-0x000000006F5BC000-memory.dmp

    Filesize

    304KB

  • memory/3344-72-0x0000000007590000-0x0000000007C0A000-memory.dmp

    Filesize

    6.5MB

  • memory/3344-98-0x0000000007190000-0x00000000071A4000-memory.dmp

    Filesize

    80KB

  • memory/3344-24-0x0000000005540000-0x00000000055A6000-memory.dmp

    Filesize

    408KB

  • memory/3344-108-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3344-37-0x0000000005C20000-0x0000000005C3E000-memory.dmp

    Filesize

    120KB

  • memory/3344-39-0x00000000061B0000-0x00000000061FC000-memory.dmp

    Filesize

    304KB

  • memory/3344-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3344-60-0x000000006F570000-0x000000006F5BC000-memory.dmp

    Filesize

    304KB

  • memory/3344-59-0x0000000006DF0000-0x0000000006E22000-memory.dmp

    Filesize

    200KB

  • memory/3344-70-0x0000000006220000-0x000000000623E000-memory.dmp

    Filesize

    120KB

  • memory/3344-71-0x0000000006E30000-0x0000000006ED3000-memory.dmp

    Filesize

    652KB

  • memory/3344-73-0x0000000006F50000-0x0000000006F6A000-memory.dmp

    Filesize

    104KB

  • memory/3344-23-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/3344-14-0x0000000002310000-0x0000000002346000-memory.dmp

    Filesize

    216KB

  • memory/3344-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3344-17-0x0000000004D90000-0x00000000053B8000-memory.dmp

    Filesize

    6.2MB

  • memory/3344-95-0x00000000071D0000-0x0000000007266000-memory.dmp

    Filesize

    600KB

  • memory/3344-96-0x0000000007150000-0x0000000007161000-memory.dmp

    Filesize

    68KB

  • memory/3344-97-0x0000000007180000-0x000000000718E000-memory.dmp

    Filesize

    56KB

  • memory/3344-34-0x0000000005790000-0x0000000005AE4000-memory.dmp

    Filesize

    3.3MB

  • memory/3344-99-0x0000000007290000-0x00000000072AA000-memory.dmp

    Filesize

    104KB

  • memory/3344-84-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

    Filesize

    40KB

  • memory/3344-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-109-0x0000000005430000-0x0000000005448000-memory.dmp

    Filesize

    96KB

  • memory/4952-36-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4976-100-0x0000000007AE0000-0x0000000007AE8000-memory.dmp

    Filesize

    32KB

  • memory/4976-74-0x000000006F570000-0x000000006F5BC000-memory.dmp

    Filesize

    304KB