Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 13:26

General

  • Target

    Ref#130709.vbe

  • Size

    10KB

  • MD5

    cf567f1369e0a7b9d18a06ef67df6877

  • SHA1

    e007346258255d739beeefc52346a239f8818c5c

  • SHA256

    b7afcdd36c30b9be80b532b7f9510a50eedef13d26f88385bb94a7e31ea061d6

  • SHA512

    419f209fa202c6e1cd0b558f7a8277a43408c19a14e76dbd31d70a8b2e9c522217fe2edda1bdb4e6fae7af96b9a53c1893bc260053fdfc65e3a60c8423be9d97

  • SSDEEP

    192:v9iw0wLDaKbUcQKbwXDHo3EvWzm9/1q25cBMRPjvA5MGVK:H0wLuKbUcQewWzs/c2Wa+8

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    zulpine.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dkA6kDAnLHNg

Signatures

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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 6 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Ref#130709.vbe"
    1⤵
    • Blocklisted process makes network request
    PID:3760
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\gMBlGsAXoyfBvsA.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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:4324
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3964
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4324" "2732" "2672" "2736" "0" "0" "2740" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:2140
    • 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:1372
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1372" "2688" "2616" "2692" "0" "0" "2696" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:1560
  • C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\StepBackup.mpeg2"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    3f01549ee3e4c18244797530b588dad9

    SHA1

    3e87863fc06995fe4b741357c68931221d6cc0b9

    SHA256

    36b51e575810b6af6fc5e778ce0f228bc7797cd3224839b00829ca166fa13f9a

    SHA512

    73843215228865a4186ac3709bf2896f0f68da0ba3601cc20226203dd429a2ad9817b904a45f6b0456b8be68deebf3b011742a923ce4a77c0c6f3a155522ab50

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

    Filesize

    53KB

    MD5

    a26df49623eff12a70a93f649776dab7

    SHA1

    efb53bd0df3ac34bd119adf8788127ad57e53803

    SHA256

    4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

    SHA512

    e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

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

    Filesize

    3KB

    MD5

    6e809f4c18466a0a63db912fb7a2441c

    SHA1

    d88653e1426406c3175c3fee38d55cd94a1ec5b1

    SHA256

    2a684a0f36716559ec3fef1d5cdcd0fa7d48cd59e40457b7adc4d7b1f9a0c9fa

    SHA512

    b47bb55f42d8930277dcab4d3850aba5b1f40b794f07cf1a0858b7280dc8bab243f445c50d2a45fa183c8f664c4864f476d4565c85380fc10cf45fe53d16100c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_id5bafky.kjy.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

    384261486581198676893b6c8e298989

    SHA1

    1a9b410eb919c624a2837a765e86124ec2dcabb4

    SHA256

    a4b357de9a9020506d27502d8fd2f74f203322facbfc3915925043d031e09847

    SHA512

    2340c327763813f11f6ea26f8c7f60daa59663786ecb52e9c6e5f9855a5f346be0a1649716b52761e13160e42314fa4458857e01ccc5517c2a93036097f5b3f1

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

    Filesize

    6KB

    MD5

    4cbd247111e5a2e7e8785d4e8cc2a608

    SHA1

    732e6cc559513fb1c7f85c58400aeb437fde5649

    SHA256

    1a7310cb18415911d26a1ff4a4d403ac73a7b5c54c0dfd71a27f9db41d628a7e

    SHA512

    f00e4ed727fd8214b418b1e141279beb35109b7ede9e80d01bd6e3d9072f87a574f2c3fcdd2185c0605ed4a881964625e0e428aa97066db57a24045d72762276

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

    Filesize

    1KB

    MD5

    77c5b6fe271fef2a65006abf49b4fe66

    SHA1

    cd279263b404e2e4e2a3fb509da19c9a5f3bdcb3

    SHA256

    78c66f29b0ade0cb644603b4bfc261b630be611ba55b902f090c94058954ec84

    SHA512

    cf18faacf59f75d95ae8cc99555ff51b0e4963f57d12ceaeccdd97808c423713b0a34af4cee18338a44ad474a8d9abae778b1f202a511ad932521e3f0b5de140

  • memory/3856-34-0x00007FFE2E130000-0x00007FFE2E142000-memory.dmp

    Filesize

    72KB

  • memory/3856-30-0x00007FFE3A490000-0x00007FFE3A4A8000-memory.dmp

    Filesize

    96KB

  • memory/3856-24-0x00007FFE3FD20000-0x00007FFE3FD3D000-memory.dmp

    Filesize

    116KB

  • memory/3856-23-0x00007FFE44D60000-0x00007FFE44D71000-memory.dmp

    Filesize

    68KB

  • memory/3856-27-0x00007FFE37D70000-0x00007FFE37DB1000-memory.dmp

    Filesize

    260KB

  • memory/3856-26-0x00007FFE2E5B0000-0x00007FFE2E7BB000-memory.dmp

    Filesize

    2.0MB

  • memory/3856-22-0x00007FFE45860000-0x00007FFE45877000-memory.dmp

    Filesize

    92KB

  • memory/3856-21-0x00007FFE45A40000-0x00007FFE45A51000-memory.dmp

    Filesize

    68KB

  • memory/3856-20-0x00007FFE46050000-0x00007FFE46067000-memory.dmp

    Filesize

    92KB

  • memory/3856-19-0x00007FFE47920000-0x00007FFE47938000-memory.dmp

    Filesize

    96KB

  • memory/3856-29-0x00007FFE39810000-0x00007FFE39831000-memory.dmp

    Filesize

    132KB

  • memory/3856-25-0x00007FFE3A4B0000-0x00007FFE3A4C1000-memory.dmp

    Filesize

    68KB

  • memory/3856-33-0x00007FFE382D0000-0x00007FFE382E1000-memory.dmp

    Filesize

    68KB

  • memory/3856-32-0x00007FFE382F0000-0x00007FFE38301000-memory.dmp

    Filesize

    68KB

  • memory/3856-31-0x00007FFE391F0000-0x00007FFE39201000-memory.dmp

    Filesize

    68KB

  • memory/3856-18-0x00007FFE31550000-0x00007FFE31806000-memory.dmp

    Filesize

    2.7MB

  • memory/3856-28-0x00007FFE2B450000-0x00007FFE2C500000-memory.dmp

    Filesize

    16.7MB

  • memory/3856-17-0x00007FFE44000000-0x00007FFE44034000-memory.dmp

    Filesize

    208KB

  • memory/3856-16-0x00007FF7750D0000-0x00007FF7751C8000-memory.dmp

    Filesize

    992KB

  • memory/3856-90-0x00007FFE2B450000-0x00007FFE2C500000-memory.dmp

    Filesize

    16.7MB

  • memory/3964-55-0x0000000000350000-0x000000000036E000-memory.dmp

    Filesize

    120KB

  • memory/3964-74-0x00000000052C0000-0x0000000005864000-memory.dmp

    Filesize

    5.6MB

  • memory/3964-75-0x0000000004D10000-0x0000000004DAC000-memory.dmp

    Filesize

    624KB

  • memory/3964-76-0x0000000005E90000-0x0000000005F22000-memory.dmp

    Filesize

    584KB

  • memory/3964-77-0x0000000005F30000-0x0000000005F80000-memory.dmp

    Filesize

    320KB

  • memory/3964-97-0x0000000006250000-0x0000000006412000-memory.dmp

    Filesize

    1.8MB

  • memory/3964-98-0x00000000061F0000-0x00000000061FA000-memory.dmp

    Filesize

    40KB

  • memory/4324-53-0x0000022474900000-0x0000022474908000-memory.dmp

    Filesize

    32KB

  • memory/4324-54-0x0000022475830000-0x000002247583C000-memory.dmp

    Filesize

    48KB

  • memory/4324-14-0x00000224757E0000-0x0000022475824000-memory.dmp

    Filesize

    272KB

  • memory/4324-4-0x0000022474860000-0x0000022474882000-memory.dmp

    Filesize

    136KB

  • memory/4324-15-0x00000224758B0000-0x0000022475926000-memory.dmp

    Filesize

    472KB