Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:46

General

  • Target

    eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe

  • Size

    760KB

  • MD5

    ed69417115869e40733f265fd489a56f

  • SHA1

    eb88646dd13188207ca09c7a448b6b16942222c4

  • SHA256

    eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d

  • SHA512

    4f487a83a33700f0d434ebb6d29bc9027710b0eb7f1b72e0ba5210e66f3198ce5bf2060cf2794e9f2b11f0342ad07bdf36ff7a744296027ab6ad0df53ea05f25

  • SSDEEP

    12288:kR0YOwq7tzRznULWLtcMPZCB5SYtDNinCgG8n5l9AwRFYWXup+:knO7jQLWLtcMBkSaDMCt8n5lSwYWq+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
    "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • 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\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fJkWCdezI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fJkWCdezI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8879.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2108
    • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
      "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
      2⤵
        PID:2740
      • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
        "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4680

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      18KB

      MD5

      4a97878d0ca3aa707f8033cdba558f6f

      SHA1

      5dee2c9923f3b6756c158d4644b109d1a8acba0e

      SHA256

      5b228961d045f0aebcc624b94bfc53921360a906925ed2c28054c814427ce2c2

      SHA512

      0394b770a28ed162b114b7b07da582a5c0d769f596edc1cf6bdcb6785e64844261f0ed82d4d5e9ae12be8914134e389cbd479058a748c7d70632279542e06e4a

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u05oaqi0.eac.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8879.tmp
      Filesize

      1KB

      MD5

      d17c898cdedf0c5ce42cbe0f250d1c52

      SHA1

      97e6d6864efcd2f6149aeed321ea9aef6c395266

      SHA256

      7700be186a8862e10bd9ed8ca15932586f48fd95a77a6d913da9d6e6c14df556

      SHA512

      7c04367ea655d4d4e4508e8404e8f1aafdc3ea519b97340e6e94929ae73a1639f1d1abd1c426a0613945f86f2104d0459073c8a6b9ed062bf923aec45f94fed4

    • memory/3156-6-0x00000000054D0000-0x00000000054EA000-memory.dmp
      Filesize

      104KB

    • memory/3156-5-0x0000000005430000-0x0000000005440000-memory.dmp
      Filesize

      64KB

    • memory/3156-4-0x00000000053D0000-0x00000000053DA000-memory.dmp
      Filesize

      40KB

    • memory/3156-7-0x00000000054F0000-0x00000000054FC000-memory.dmp
      Filesize

      48KB

    • memory/3156-8-0x0000000006870000-0x00000000068F2000-memory.dmp
      Filesize

      520KB

    • memory/3156-9-0x0000000009300000-0x000000000939C000-memory.dmp
      Filesize

      624KB

    • memory/3156-3-0x0000000005320000-0x00000000053B2000-memory.dmp
      Filesize

      584KB

    • memory/3156-2-0x0000000005820000-0x0000000005DC4000-memory.dmp
      Filesize

      5.6MB

    • memory/3156-0-0x0000000000880000-0x000000000093E000-memory.dmp
      Filesize

      760KB

    • memory/3156-47-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/3156-1-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-51-0x000000007FDE0000-0x000000007FDF0000-memory.dmp
      Filesize

      64KB

    • memory/3552-64-0x0000000007510000-0x000000000752E000-memory.dmp
      Filesize

      120KB

    • memory/3552-20-0x00000000054B0000-0x00000000054D2000-memory.dmp
      Filesize

      136KB

    • memory/3552-94-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-21-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-85-0x0000000007AE0000-0x0000000007AEE000-memory.dmp
      Filesize

      56KB

    • memory/3552-19-0x0000000002C50000-0x0000000002C60000-memory.dmp
      Filesize

      64KB

    • memory/3552-84-0x0000000007AB0000-0x0000000007AC1000-memory.dmp
      Filesize

      68KB

    • memory/3552-82-0x0000000007920000-0x000000000792A000-memory.dmp
      Filesize

      40KB

    • memory/3552-18-0x0000000002C50000-0x0000000002C60000-memory.dmp
      Filesize

      64KB

    • memory/3552-45-0x0000000006580000-0x000000000659E000-memory.dmp
      Filesize

      120KB

    • memory/3552-80-0x0000000007EF0000-0x000000000856A000-memory.dmp
      Filesize

      6.5MB

    • memory/3552-53-0x000000006FF20000-0x000000006FF6C000-memory.dmp
      Filesize

      304KB

    • memory/3552-48-0x00000000065D0000-0x000000000661C000-memory.dmp
      Filesize

      304KB

    • memory/3552-78-0x0000000002C50000-0x0000000002C60000-memory.dmp
      Filesize

      64KB

    • memory/3552-52-0x0000000007530000-0x0000000007562000-memory.dmp
      Filesize

      200KB

    • memory/3552-66-0x0000000002C50000-0x0000000002C60000-memory.dmp
      Filesize

      64KB

    • memory/4508-86-0x00000000077B0000-0x00000000077C4000-memory.dmp
      Filesize

      80KB

    • memory/4508-83-0x00000000077F0000-0x0000000007886000-memory.dmp
      Filesize

      600KB

    • memory/4508-54-0x000000007FC80000-0x000000007FC90000-memory.dmp
      Filesize

      64KB

    • memory/4508-77-0x0000000007240000-0x00000000072E3000-memory.dmp
      Filesize

      652KB

    • memory/4508-76-0x0000000004EF0000-0x0000000004F00000-memory.dmp
      Filesize

      64KB

    • memory/4508-16-0x0000000004EF0000-0x0000000004F00000-memory.dmp
      Filesize

      64KB

    • memory/4508-79-0x0000000004EF0000-0x0000000004F00000-memory.dmp
      Filesize

      64KB

    • memory/4508-14-0x0000000002940000-0x0000000002976000-memory.dmp
      Filesize

      216KB

    • memory/4508-81-0x0000000007570000-0x000000000758A000-memory.dmp
      Filesize

      104KB

    • memory/4508-22-0x0000000005420000-0x0000000005486000-memory.dmp
      Filesize

      408KB

    • memory/4508-95-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/4508-65-0x000000006FF20000-0x000000006FF6C000-memory.dmp
      Filesize

      304KB

    • memory/4508-43-0x0000000005DD0000-0x0000000006124000-memory.dmp
      Filesize

      3.3MB

    • memory/4508-17-0x0000000005530000-0x0000000005B58000-memory.dmp
      Filesize

      6.2MB

    • memory/4508-23-0x0000000005C60000-0x0000000005CC6000-memory.dmp
      Filesize

      408KB

    • memory/4508-87-0x00000000078B0000-0x00000000078CA000-memory.dmp
      Filesize

      104KB

    • memory/4508-88-0x0000000007890000-0x0000000007898000-memory.dmp
      Filesize

      32KB

    • memory/4508-15-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/4680-44-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/4680-49-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/4680-50-0x00000000050E0000-0x00000000050F0000-memory.dmp
      Filesize

      64KB

    • memory/4680-96-0x0000000006130000-0x0000000006180000-memory.dmp
      Filesize

      320KB

    • memory/4680-97-0x00000000749C0000-0x0000000075170000-memory.dmp
      Filesize

      7.7MB

    • memory/4680-98-0x00000000050E0000-0x00000000050F0000-memory.dmp
      Filesize

      64KB