Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 01:54

General

  • Target

    Documt736098.vbe

  • Size

    9KB

  • MD5

    8113e63e2ba4ac63a4621b2d9441524d

  • SHA1

    05b433f2cfb14f9d1ec947e32a496c45a2cfa22a

  • SHA256

    d5d3a7f4ca9b374465da72f550cc5a04e751c6a4ed18ab917a304318a9b4409b

  • SHA512

    730e21b73e6320146c53dd9092246578a476b24efb6dbcd902e905df05039274cd2adf76293e54e1d9a3cb01e88d3800db867597bbffd979ecfea5729d4d62d9

  • SSDEEP

    192:egjmLPbnOqiR2jutyT8vPka6hfuIMynp9KAvPxK:tjcPbg2+yT8HkaTTqp0AvQ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Blocklisted process makes network request 1 IoCs
  • 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.

  • Drops file in System32 directory 2 IoCs
  • 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 1 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Documt736098.vbe"
    1⤵
    • Blocklisted process makes network request
    PID:4524
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\TJtBPNdaqSLLBQi.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2272
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1884" "2704" "2644" "2708" "0" "0" "2712" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:4600
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "2672" "2688" "2616" "2692" "0" "0" "2696" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:3760
  • C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\StartEnable.mov"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

    Filesize

    53KB

    MD5

    a26df49623eff12a70a93f649776dab7

    SHA1

    efb53bd0df3ac34bd119adf8788127ad57e53803

    SHA256

    4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

    SHA512

    e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vq22il4r.qvb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    16ca70feff74d9c47bb82ea09b85415b

    SHA1

    333cbb45d9e0be61ea5803b601ecbe7efd45087d

    SHA256

    be83024a13f5d97f77120160b1aace1be7027eb4b016ee1b8ca172a19ec33525

    SHA512

    f37c85f37e34c92bb4d96128f47c47b31c0ddab00a7c19528a4c12c265023c18ae932ba79b31dd54c9e94b47b3fba8c2192458648135c8402c2b50e49ac36fae

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    8bc0d5f0880f5570914495f9b4b53e33

    SHA1

    1dd151b9a815a9617dc95607e7c657b09c26c0d6

    SHA256

    b01c966f300de1bfef95a9ef6518ec8fb55cbdbe02e2b7ef7f55c8cc32d6560c

    SHA512

    66496846c8d3e59d0067c7ffa554ee06eded9eac8baec5be38b931c3fd3c2f68ea7eb9167a9a178301c9c191d923fa6d72520ea24d8d59508a13125c926b8350

  • C:\Users\Admin\AppData\Roaming\TJtBPNdaqSLLBQi.vbs

    Filesize

    2KB

    MD5

    78fdde7d507d9d64ddd3808c52231caa

    SHA1

    cd989a13a2f92c404ddd56f9b9126e529b091f74

    SHA256

    0c26896cb8ca3eaa7e009abac4eff302f5a8fd312f987a2d802bdf4d67c0fd0a

    SHA512

    d77b609a544ee038e2673201d756b2a8f486a288ca0df10d1161f1516982405a7ed075c84b16d4f3ff1bde7a8ee21797e51df6e576e7ea0b85ae9835f534321a

  • memory/364-33-0x00007FFA55DB0000-0x00007FFA55DC1000-memory.dmp

    Filesize

    68KB

  • memory/364-29-0x00007FFA55FA0000-0x00007FFA55FC1000-memory.dmp

    Filesize

    132KB

  • memory/364-24-0x00007FFA64DD0000-0x00007FFA64DED000-memory.dmp

    Filesize

    116KB

  • memory/364-23-0x00007FFA563B0000-0x00007FFA563C1000-memory.dmp

    Filesize

    68KB

  • memory/364-22-0x00007FFA563D0000-0x00007FFA563E7000-memory.dmp

    Filesize

    92KB

  • memory/364-26-0x00007FFA55FD0000-0x00007FFA561DB000-memory.dmp

    Filesize

    2.0MB

  • memory/364-21-0x00007FFA576D0000-0x00007FFA576E1000-memory.dmp

    Filesize

    68KB

  • memory/364-20-0x00007FFA63820000-0x00007FFA63837000-memory.dmp

    Filesize

    92KB

  • memory/364-19-0x00007FFA64820000-0x00007FFA64838000-memory.dmp

    Filesize

    96KB

  • memory/364-18-0x00007FFA54730000-0x00007FFA549E6000-memory.dmp

    Filesize

    2.7MB

  • memory/364-30-0x00007FFA55F80000-0x00007FFA55F98000-memory.dmp

    Filesize

    96KB

  • memory/364-34-0x00007FFA52D80000-0x00007FFA52D92000-memory.dmp

    Filesize

    72KB

  • memory/364-16-0x00007FF676BD0000-0x00007FF676CC8000-memory.dmp

    Filesize

    992KB

  • memory/364-32-0x00007FFA55DD0000-0x00007FFA55DE1000-memory.dmp

    Filesize

    68KB

  • memory/364-31-0x00007FFA55DF0000-0x00007FFA55E01000-memory.dmp

    Filesize

    68KB

  • memory/364-25-0x00007FFA56390000-0x00007FFA563A1000-memory.dmp

    Filesize

    68KB

  • memory/364-28-0x00007FFA56340000-0x00007FFA56381000-memory.dmp

    Filesize

    260KB

  • memory/364-27-0x00007FFA51940000-0x00007FFA529F0000-memory.dmp

    Filesize

    16.7MB

  • memory/364-17-0x00007FFA563F0000-0x00007FFA56424000-memory.dmp

    Filesize

    208KB

  • memory/364-108-0x00007FFA51940000-0x00007FFA529F0000-memory.dmp

    Filesize

    16.7MB

  • memory/364-86-0x00007FFA51940000-0x00007FFA529F0000-memory.dmp

    Filesize

    16.7MB

  • memory/1884-53-0x000001F7E8990000-0x000001F7E8998000-memory.dmp

    Filesize

    32KB

  • memory/1884-54-0x000001F7E89A0000-0x000001F7E89AA000-memory.dmp

    Filesize

    40KB

  • memory/1884-6-0x000001F7E8AC0000-0x000001F7E8AE2000-memory.dmp

    Filesize

    136KB

  • memory/1884-14-0x000001F7E8B40000-0x000001F7E8B84000-memory.dmp

    Filesize

    272KB

  • memory/1884-15-0x000001F7EB0D0000-0x000001F7EB146000-memory.dmp

    Filesize

    472KB

  • memory/2272-55-0x0000000001000000-0x0000000001040000-memory.dmp

    Filesize

    256KB

  • memory/2272-73-0x0000000005BC0000-0x0000000006164000-memory.dmp

    Filesize

    5.6MB

  • memory/2272-74-0x00000000057D0000-0x0000000005836000-memory.dmp

    Filesize

    408KB

  • memory/2272-94-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

    Filesize

    320KB

  • memory/2272-95-0x0000000006C90000-0x0000000006D22000-memory.dmp

    Filesize

    584KB

  • memory/2272-96-0x0000000006C10000-0x0000000006C1A000-memory.dmp

    Filesize

    40KB