Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 09:50

General

  • Target

    document.exe

  • Size

    679KB

  • MD5

    bb277f03c2e761e03643369ef4d9f1da

  • SHA1

    8f44aa9566f9da9c7086d6da8f080c7a7de52050

  • SHA256

    8054c765c0425811e3632409c6bbd9149fde1de08593796957ca55ead7e9e683

  • SHA512

    e5d754214062f9f7767116d9aaa23abf70094a113cd682d257c145ca7e0825d344259149087df4dfee14ead93e61b476c2135522a859d8720d625a5693846cf0

  • SSDEEP

    12288:m67FxhThagHCN1x2W6BU8KbYJ6BrBpz86Q5NxdDHEYMxVhmaAkgBzJzmh:pDhThagq1/60bYG1pz8LN+hmacBNzmh

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 1 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\document.exe
    "C:\Users\Admin\AppData\Local\Temp\document.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZAZphYTyWlIUJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZAZphYTyWlIUJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9CEC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilwcd2jk.01k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9CEC.tmp

    Filesize

    1KB

    MD5

    d5041d58a7edd8e77ce9f5d5f3a0c007

    SHA1

    8b2203bfca47d7a7dc950c79d7cef63f5a5d9f1c

    SHA256

    81dd94364f8bad8061302402e972787321a984a7a709180fbbefade22942fe59

    SHA512

    44552421e013982073542725618d3cc1eeb8415e68e31b90801d517b61b8cdda8a1553904936db9453c0c82d125ebab87a49d75b601f93613d9e3a88cec4e9cc

  • memory/656-6-0x0000000004BB0000-0x0000000004BC8000-memory.dmp

    Filesize

    96KB

  • memory/656-3-0x00000000049D0000-0x0000000004A62000-memory.dmp

    Filesize

    584KB

  • memory/656-4-0x0000000004980000-0x000000000498A000-memory.dmp

    Filesize

    40KB

  • memory/656-5-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/656-2-0x0000000004EE0000-0x0000000005484000-memory.dmp

    Filesize

    5.6MB

  • memory/656-7-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/656-8-0x0000000007680000-0x0000000007702000-memory.dmp

    Filesize

    520KB

  • memory/656-9-0x0000000009DE0000-0x0000000009E7C000-memory.dmp

    Filesize

    624KB

  • memory/656-38-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/656-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

    Filesize

    4KB

  • memory/656-1-0x0000000000010000-0x00000000000C0000-memory.dmp

    Filesize

    704KB

  • memory/1440-23-0x00000000056D0000-0x0000000005A24000-memory.dmp

    Filesize

    3.3MB

  • memory/1440-50-0x0000000006C50000-0x0000000006C6E000-memory.dmp

    Filesize

    120KB

  • memory/1440-19-0x0000000004BE0000-0x0000000004C02000-memory.dmp

    Filesize

    136KB

  • memory/1440-21-0x0000000004E30000-0x0000000004E96000-memory.dmp

    Filesize

    408KB

  • memory/1440-20-0x0000000004C90000-0x0000000004CF6000-memory.dmp

    Filesize

    408KB

  • memory/1440-16-0x0000000004EA0000-0x00000000054C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1440-64-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-15-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-22-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-60-0x00000000072E0000-0x00000000072E8000-memory.dmp

    Filesize

    32KB

  • memory/1440-36-0x0000000005C90000-0x0000000005CAE000-memory.dmp

    Filesize

    120KB

  • memory/1440-14-0x00000000046C0000-0x00000000046F6000-memory.dmp

    Filesize

    216KB

  • memory/1440-37-0x0000000005D40000-0x0000000005D8C000-memory.dmp

    Filesize

    304KB

  • memory/1440-40-0x000000006F310000-0x000000006F35C000-memory.dmp

    Filesize

    304KB

  • memory/1440-39-0x0000000006C10000-0x0000000006C42000-memory.dmp

    Filesize

    200KB

  • memory/1440-17-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-51-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/1440-52-0x0000000007600000-0x0000000007C7A000-memory.dmp

    Filesize

    6.5MB

  • memory/1440-53-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

    Filesize

    104KB

  • memory/1440-54-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/1440-55-0x0000000007240000-0x00000000072D6000-memory.dmp

    Filesize

    600KB

  • memory/1440-56-0x00000000071C0000-0x00000000071D1000-memory.dmp

    Filesize

    68KB

  • memory/1440-57-0x00000000071F0000-0x00000000071FE000-memory.dmp

    Filesize

    56KB

  • memory/1440-58-0x0000000007200000-0x0000000007214000-memory.dmp

    Filesize

    80KB

  • memory/1440-59-0x0000000007300000-0x000000000731A000-memory.dmp

    Filesize

    104KB

  • memory/4068-34-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-61-0x0000000006960000-0x00000000069B0000-memory.dmp

    Filesize

    320KB

  • memory/4068-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4068-65-0x00000000743C0000-0x0000000074B70000-memory.dmp

    Filesize

    7.7MB