Analysis

  • max time kernel
    42s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 15:27

General

  • Target

    dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e.exe

  • Size

    4.1MB

  • MD5

    781d333195e073150c6f1d94de7672b3

  • SHA1

    3d841cb07aa3f5da2e9cb213b4475538266e26b0

  • SHA256

    dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e

  • SHA512

    c930915e7163754f62b9fdff2b6ae790723b456a2664fab98f26a415c1e0a37586c153e312aef79b384a7278dd8e65b9d94149105a0071107ba5112813e5ebf8

  • SSDEEP

    98304:U4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNT:U4G/GRAB9MdaGBolx/Wzup

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 8 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e.exe
    "C:\Users\Admin\AppData\Local\Temp\dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3928
    • C:\Users\Admin\AppData\Local\Temp\dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e.exe
      "C:\Users\Admin\AppData\Local\Temp\dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2972
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4640
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:2124
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2044
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:220
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        PID:3064
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4360,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4588 /prefetch:8
    1⤵
      PID:2900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_drooagcc.l1v.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      209093a67ebe0208233fd7e054b22cb7

      SHA1

      a2b30b714c78bd2ae1c7905f25ce295ca5626986

      SHA256

      c39fdae75cc40953bdde8518244e076e14c618f5bf43f862dfc16980327de033

      SHA512

      f81850faa44792f767f44fa8cd3448ce86e7a25379178c9314df20cee5525e83d2bb663db35764a4b0c836179b90f3cc23e14d41c653fb0ba7f0f5ae8232ae72

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      4f60370ece9f43785fd3b1d4cb92856d

      SHA1

      1bad524ff055c0cb972d5c8a7f47ce43cc197589

      SHA256

      1c134a88b14d2ae86b686ead8344032b3a49e461d7aeb1369b67f3021154b109

      SHA512

      3ae80a0b28959541e0765223b7f59501792f29f0b99f060c6121f6ae397050f8a2fd347ec63ac820fa61f048655e27ed573f846f98292ef0f05e092cef8db528

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      781d333195e073150c6f1d94de7672b3

      SHA1

      3d841cb07aa3f5da2e9cb213b4475538266e26b0

      SHA256

      dbed7105280ace18451be55125cfaeb339205839b4d1a4f755e6cf7199444e7e

      SHA512

      c930915e7163754f62b9fdff2b6ae790723b456a2664fab98f26a415c1e0a37586c153e312aef79b384a7278dd8e65b9d94149105a0071107ba5112813e5ebf8

    • memory/220-122-0x0000000070500000-0x000000007054C000-memory.dmp

      Filesize

      304KB

    • memory/220-123-0x0000000070680000-0x00000000709D4000-memory.dmp

      Filesize

      3.3MB

    • memory/872-56-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/872-8-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/872-58-0x0000000004C90000-0x000000000557B000-memory.dmp

      Filesize

      8.9MB

    • memory/872-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/872-1-0x0000000004890000-0x0000000004C8B000-memory.dmp

      Filesize

      4.0MB

    • memory/872-2-0x0000000004C90000-0x000000000557B000-memory.dmp

      Filesize

      8.9MB

    • memory/872-59-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2044-100-0x0000000070500000-0x000000007054C000-memory.dmp

      Filesize

      304KB

    • memory/2044-101-0x0000000070680000-0x00000000709D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2044-98-0x0000000005D50000-0x00000000060A4000-memory.dmp

      Filesize

      3.3MB

    • memory/2956-87-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/2956-137-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/2972-83-0x0000000007720000-0x0000000007731000-memory.dmp

      Filesize

      68KB

    • memory/2972-82-0x0000000007410000-0x00000000074B3000-memory.dmp

      Filesize

      652KB

    • memory/2972-72-0x0000000070CB0000-0x0000000071004000-memory.dmp

      Filesize

      3.3MB

    • memory/2972-71-0x0000000070500000-0x000000007054C000-memory.dmp

      Filesize

      304KB

    • memory/2972-70-0x0000000006260000-0x00000000062AC000-memory.dmp

      Filesize

      304KB

    • memory/2972-69-0x0000000005C80000-0x0000000005FD4000-memory.dmp

      Filesize

      3.3MB

    • memory/2972-84-0x0000000007770000-0x0000000007784000-memory.dmp

      Filesize

      80KB

    • memory/3928-23-0x0000000005D90000-0x0000000005DAE000-memory.dmp

      Filesize

      120KB

    • memory/3928-31-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-46-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-47-0x0000000007600000-0x0000000007696000-memory.dmp

      Filesize

      600KB

    • memory/3928-48-0x0000000007500000-0x0000000007511000-memory.dmp

      Filesize

      68KB

    • memory/3928-49-0x0000000007540000-0x000000000754E000-memory.dmp

      Filesize

      56KB

    • memory/3928-50-0x0000000007560000-0x0000000007574000-memory.dmp

      Filesize

      80KB

    • memory/3928-51-0x00000000075B0000-0x00000000075CA000-memory.dmp

      Filesize

      104KB

    • memory/3928-52-0x00000000075A0000-0x00000000075A8000-memory.dmp

      Filesize

      32KB

    • memory/3928-55-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-44-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-42-0x00000000073E0000-0x00000000073FE000-memory.dmp

      Filesize

      120KB

    • memory/3928-43-0x0000000007400000-0x00000000074A3000-memory.dmp

      Filesize

      652KB

    • memory/3928-32-0x0000000070580000-0x00000000708D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3928-29-0x00000000073A0000-0x00000000073D2000-memory.dmp

      Filesize

      200KB

    • memory/3928-45-0x00000000074F0000-0x00000000074FA000-memory.dmp

      Filesize

      40KB

    • memory/3928-30-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/3928-28-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/3928-27-0x0000000007840000-0x0000000007EBA000-memory.dmp

      Filesize

      6.5MB

    • memory/3928-26-0x0000000006F40000-0x0000000006FB6000-memory.dmp

      Filesize

      472KB

    • memory/3928-25-0x00000000063A0000-0x00000000063E4000-memory.dmp

      Filesize

      272KB

    • memory/3928-24-0x0000000005E60000-0x0000000005EAC000-memory.dmp

      Filesize

      304KB

    • memory/3928-22-0x0000000005910000-0x0000000005C64000-memory.dmp

      Filesize

      3.3MB

    • memory/3928-12-0x00000000057A0000-0x0000000005806000-memory.dmp

      Filesize

      408KB

    • memory/3928-11-0x0000000005730000-0x0000000005796000-memory.dmp

      Filesize

      408KB

    • memory/3928-10-0x0000000005690000-0x00000000056B2000-memory.dmp

      Filesize

      136KB

    • memory/3928-9-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-6-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-7-0x0000000004F30000-0x0000000005558000-memory.dmp

      Filesize

      6.2MB

    • memory/3928-5-0x0000000002840000-0x0000000002876000-memory.dmp

      Filesize

      216KB

    • memory/3928-4-0x000000007456E000-0x000000007456F000-memory.dmp

      Filesize

      4KB