Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2025, 01:06

General

  • Target
    d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe
  • Size 882KB
  • Sample250128-bf3pfssmak
  • SHA256 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 1 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe
    "C:\Users\Admin\AppData\Local\Temp\d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Riddersmands=gc -raw 'C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\Hallahs.Sal22';$Arbejdsgiverforening=$Riddersmands.SubString(72330,3);.$Arbejdsgiverforening($Riddersmands) "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:4660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 2012
          4⤵
          • Program crash
          PID:4008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4660 -ip 4660
    1⤵
      PID:3360

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_f1egec1x.zf3.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f1egec1x.zf3.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsoB6DD.tmp\nsExec.dll
          • Size 6KB
          • SHA256 49a6a1c1f19574b2a247ce6c5adc0751e046d27c30912816ba415f871b74ae5d
          • MD5 SHA1 SHA512 SSDEEP

          Hallahs.Sal22

          • Path C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\Hallahs.Sal22
          • Size 70KB
          • SHA256 cc340fe33ff811ee4dfc92fa04f8c36a56ff3148481876ea3c2ff0431d6a1603
          • MD5 SHA1 SHA512 SSDEEP

          nippende.til

          • Path C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\nippende.til
          • Size 310KB
          • SHA256 916e63af37f43395ff65a89ef88100df8dc44fb6bce17ee5106e8554b03dccde
          • MD5 SHA1 SHA512 SSDEEP

          memory/3300-70-0x0000000007620000-0x00000000076C3000-memory.dmp

          memory/3300-34-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-35-0x00000000051D0000-0x00000000051F2000-memory.dmp

          memory/3300-37-0x0000000005B10000-0x0000000005B76000-memory.dmp

          memory/3300-36-0x0000000005AA0000-0x0000000005B06000-memory.dmp

          memory/3300-32-0x0000000005240000-0x0000000005868000-memory.dmp

          memory/3300-47-0x0000000005B80000-0x0000000005ED4000-memory.dmp

          memory/3300-48-0x00000000061B0000-0x00000000061CE000-memory.dmp

          memory/3300-49-0x00000000061E0000-0x000000000622C000-memory.dmp

          memory/3300-50-0x00000000071A0000-0x0000000007236000-memory.dmp

          memory/3300-51-0x0000000006690000-0x00000000066AA000-memory.dmp

          memory/3300-52-0x0000000006700000-0x0000000006722000-memory.dmp

          memory/3300-53-0x0000000007800000-0x0000000007DA4000-memory.dmp

          memory/3300-33-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-55-0x0000000008430000-0x0000000008AAA000-memory.dmp

          memory/3300-57-0x00000000075B0000-0x00000000075E2000-memory.dmp

          memory/3300-56-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-58-0x0000000070270000-0x00000000702BC000-memory.dmp

          memory/3300-68-0x00000000075F0000-0x000000000760E000-memory.dmp

          memory/3300-69-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-72-0x0000000007760000-0x0000000007771000-memory.dmp

          memory/3300-31-0x0000000004BD0000-0x0000000004C06000-memory.dmp

          memory/3300-71-0x0000000007720000-0x000000000772A000-memory.dmp

          memory/3300-73-0x00000000077B0000-0x00000000077BE000-memory.dmp

          memory/3300-74-0x00000000077C0000-0x00000000077D4000-memory.dmp

          memory/3300-75-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

          memory/3300-76-0x00000000077F0000-0x00000000077F8000-memory.dmp

          memory/3300-77-0x0000000007EF0000-0x0000000007F1A000-memory.dmp

          memory/3300-78-0x0000000007F40000-0x0000000007F64000-memory.dmp

          memory/3300-79-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

          memory/3300-80-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-81-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-83-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-84-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-30-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

          memory/3300-86-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-88-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-87-0x0000000008AB0000-0x000000000B66C000-memory.dmp

          memory/3300-89-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-90-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-92-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-93-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/3300-94-0x0000000073DF0000-0x00000000745A0000-memory.dmp

          memory/4660-101-0x0000000001200000-0x0000000002454000-memory.dmp