Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:46

General

  • Target

    shipping documents.exe

  • Size

    721KB

  • MD5

    11bdbb99b474b15e0b04e488061e9256

  • SHA1

    db8bcdd61414f1388f455e8b4ce6ae5554ca38f3

  • SHA256

    05b60524cb82eb522b46db014a5ec190e35d9fd433e7624232b53f142b3ed1a1

  • SHA512

    558f471c17b3b701e059514002155a4f4d71dbe9159ebc5326f158a7fda241ae6445139899af5db663bd0ee2fcd5c952f7b248a2486be354b32d155ca503ed5f

  • SSDEEP

    12288:zPO4mPK3Rx2Mewaliv+ilMkLbjfm2HV5gos04pG7PaD3H4lN3179DoDq74nXetkR:i4m02MewWivqkLbjfmQV4077yjH4f3Vu

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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\shipping documents.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4504
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mUsYIbZfsGwZQG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mUsYIbZfsGwZQG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4428
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2356
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5m535rkg.c4x.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp

      Filesize

      1KB

      MD5

      e6b390d6f6d704a944b6524939727e86

      SHA1

      5480b0b0798f808b9389600270048d3de963224c

      SHA256

      4f7993aaa4d8dfd8ef5e849aee5a0c13ac11636107eb7e046fe971cc8a398932

      SHA512

      79920921bdda8539bc51c3a9192cb97b3edf8d5407131999e4e6504b0eb1a9199f3785d2dd35a4d18c62e959491ded46aa1ba4938d791c1f2f636125c9f823fe

    • memory/1404-88-0x00000000066B0000-0x0000000006700000-memory.dmp

      Filesize

      320KB

    • memory/1404-46-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1496-5-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/1496-4-0x0000000005770000-0x000000000577A000-memory.dmp

      Filesize

      40KB

    • memory/1496-6-0x0000000005CD0000-0x0000000005CE8000-memory.dmp

      Filesize

      96KB

    • memory/1496-7-0x0000000005CF0000-0x0000000005D00000-memory.dmp

      Filesize

      64KB

    • memory/1496-8-0x0000000006C70000-0x0000000006CF4000-memory.dmp

      Filesize

      528KB

    • memory/1496-9-0x0000000009610000-0x00000000096AC000-memory.dmp

      Filesize

      624KB

    • memory/1496-14-0x00000000748AE000-0x00000000748AF000-memory.dmp

      Filesize

      4KB

    • memory/1496-48-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/1496-1-0x0000000000E40000-0x0000000000EF4000-memory.dmp

      Filesize

      720KB

    • memory/1496-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

      Filesize

      4KB

    • memory/1496-3-0x0000000005800000-0x0000000005892000-memory.dmp

      Filesize

      584KB

    • memory/1496-18-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/1496-2-0x0000000005D10000-0x00000000062B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4504-22-0x0000000005180000-0x00000000051E6000-memory.dmp

      Filesize

      408KB

    • memory/4504-23-0x00000000051F0000-0x0000000005256000-memory.dmp

      Filesize

      408KB

    • memory/4504-21-0x0000000004FE0000-0x0000000005002000-memory.dmp

      Filesize

      136KB

    • memory/4504-74-0x0000000007A10000-0x000000000808A000-memory.dmp

      Filesize

      6.5MB

    • memory/4504-19-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4504-17-0x00000000053A0000-0x00000000059C8000-memory.dmp

      Filesize

      6.2MB

    • memory/4504-86-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4504-82-0x0000000007700000-0x000000000771A000-memory.dmp

      Filesize

      104KB

    • memory/4504-16-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4504-15-0x0000000002770000-0x00000000027A6000-memory.dmp

      Filesize

      216KB

    • memory/4504-49-0x00000000060A0000-0x00000000060BE000-memory.dmp

      Filesize

      120KB

    • memory/4504-50-0x0000000006600000-0x000000000664C000-memory.dmp

      Filesize

      304KB

    • memory/4504-83-0x00000000076E0000-0x00000000076E8000-memory.dmp

      Filesize

      32KB

    • memory/4504-63-0x0000000075100000-0x000000007514C000-memory.dmp

      Filesize

      304KB

    • memory/4504-81-0x0000000007600000-0x0000000007614000-memory.dmp

      Filesize

      80KB

    • memory/4504-79-0x00000000075F0000-0x00000000075FE000-memory.dmp

      Filesize

      56KB

    • memory/4504-76-0x0000000007430000-0x000000000743A000-memory.dmp

      Filesize

      40KB

    • memory/4588-29-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-75-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

      Filesize

      104KB

    • memory/4588-52-0x0000000075100000-0x000000007514C000-memory.dmp

      Filesize

      304KB

    • memory/4588-77-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/4588-78-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

      Filesize

      68KB

    • memory/4588-62-0x0000000006E60000-0x0000000006E7E000-memory.dmp

      Filesize

      120KB

    • memory/4588-73-0x0000000007A90000-0x0000000007B33000-memory.dmp

      Filesize

      652KB

    • memory/4588-51-0x0000000007840000-0x0000000007872000-memory.dmp

      Filesize

      200KB

    • memory/4588-44-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-87-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-31-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-30-0x0000000006290000-0x00000000065E4000-memory.dmp

      Filesize

      3.3MB