Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 08:51

General

  • Target

    BetterShaders.exe

  • Size

    168.8MB

  • MD5

    26e51744ce941b55c7653e9ab229a18f

  • SHA1

    bd08f0f5b3f64aba844128dfb2d77312bbef8b46

  • SHA256

    3bcf3c61e80cc6346a8af84c89ca2c50a9eef2b6b915c6c73fff8725f1c6b118

  • SHA512

    a308443b59a0a5713b99474e30f93a7f8cc98120c11c2f9f5884d5aa61bbf0073a6cfb1c67d676d64656988802fbf1bb8a1f5234df09b1fd2c36f5f7d3fed0a4

  • SSDEEP

    1572864:du3SXrDDmfijsEGl0y+Mgp4cLTRN/33i/oHHl9sqPwqZdsJ2DWw3h9JByba/:/XX++LYYyba

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • An obfuscated cmd.exe command-line is typically used to evade detection. 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe
    "C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\system32\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2932
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell.exe Add-Type -AssemblyName System.Security; [System.Security.Cryptography.ProtectedData]::Unprotect([byte[]]@(1,0,0,0,208,140,157,223,1,21,209,17,140,122,0,192,79,194,151,235,1,0,0,0,158,56,123,155,119,128,226,65,189,77,45,80,19,37,26,47,0,0,0,0,2,0,0,0,0,0,16,102,0,0,0,1,0,0,32,0,0,0,143,8,155,162,221,184,73,71,232,222,51,145,193,115,97,9,130,241,224,103,6,120,76,14,50,215,61,172,124,159,238,253,0,0,0,0,14,128,0,0,0,2,0,0,32,0,0,0,99,253,1,12,244,37,76,196,250,204,121,176,50,84,44,171,164,192,123,43,73,12,147,211,193,42,15,39,95,26,62,201,48,0,0,0,199,59,41,134,72,150,192,161,125,143,33,114,13,155,6,139,72,133,43,120,135,38,24,218,101,6,176,207,210,73,64,67,238,175,209,152,192,141,196,93,4,159,79,39,108,201,81,243,64,0,0,0,47,182,203,76,22,230,198,116,189,169,35,195,147,254,206,160,141,223,22,83,122,129,208,253,101,155,106,250,254,105,139,55,133,60,233,210,239,137,168,177,165,144,32,46,241,126,232,206,117,88,178,220,23,105,81,227,111,16,111,158,78,1,233,96), $null, 'CurrentUser')"
      2⤵
      • An obfuscated cmd.exe command-line is typically used to evade detection.
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe Add-Type -AssemblyName System.Security; [System.Security.Cryptography.ProtectedData]::Unprotect([byte[]]@(1,0,0,0,208,140,157,223,1,21,209,17,140,122,0,192,79,194,151,235,1,0,0,0,158,56,123,155,119,128,226,65,189,77,45,80,19,37,26,47,0,0,0,0,2,0,0,0,0,0,16,102,0,0,0,1,0,0,32,0,0,0,143,8,155,162,221,184,73,71,232,222,51,145,193,115,97,9,130,241,224,103,6,120,76,14,50,215,61,172,124,159,238,253,0,0,0,0,14,128,0,0,0,2,0,0,32,0,0,0,99,253,1,12,244,37,76,196,250,204,121,176,50,84,44,171,164,192,123,43,73,12,147,211,193,42,15,39,95,26,62,201,48,0,0,0,199,59,41,134,72,150,192,161,125,143,33,114,13,155,6,139,72,133,43,120,135,38,24,218,101,6,176,207,210,73,64,67,238,175,209,152,192,141,196,93,4,159,79,39,108,201,81,243,64,0,0,0,47,182,203,76,22,230,198,116,189,169,35,195,147,254,206,160,141,223,22,83,122,129,208,253,101,155,106,250,254,105,139,55,133,60,233,210,239,137,168,177,165,144,32,46,241,126,232,206,117,88,178,220,23,105,81,227,111,16,111,158,78,1,233,96), $null, 'CurrentUser')
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4600
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell.exe Add-Type -AssemblyName System.Security; [System.Security.Cryptography.ProtectedData]::Unprotect([byte[]]@(1,0,0,0,208,140,157,223,1,21,209,17,140,122,0,192,79,194,151,235,1,0,0,0,158,56,123,155,119,128,226,65,189,77,45,80,19,37,26,47,16,0,0,0,10,0,0,0,69,0,100,0,103,0,101,0,0,0,16,102,0,0,0,1,0,0,32,0,0,0,204,23,200,182,199,212,101,234,51,160,20,157,150,146,144,151,39,93,3,161,164,186,212,226,57,101,160,86,167,155,8,7,0,0,0,0,14,128,0,0,0,2,0,0,32,0,0,0,184,144,186,180,174,237,163,184,95,232,101,63,21,177,75,98,215,199,36,30,80,192,146,63,77,115,21,70,102,42,166,165,48,0,0,0,117,126,67,77,96,159,142,116,174,11,86,56,11,231,226,145,7,63,8,207,34,20,54,206,115,112,214,184,19,252,2,122,95,58,116,12,104,15,223,163,49,195,63,147,96,226,86,246,64,0,0,0,114,72,103,37,120,230,180,221,228,136,240,64,66,22,120,71,192,126,130,46,213,57,1,27,188,210,151,225,138,111,6,223,99,131,127,243,133,142,61,229,60,15,180,41,8,227,3,169,15,181,32,167,8,219,218,233,217,48,253,19,227,158,119,122), $null, 'CurrentUser')"
      2⤵
      • An obfuscated cmd.exe command-line is typically used to evade detection.
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe Add-Type -AssemblyName System.Security; [System.Security.Cryptography.ProtectedData]::Unprotect([byte[]]@(1,0,0,0,208,140,157,223,1,21,209,17,140,122,0,192,79,194,151,235,1,0,0,0,158,56,123,155,119,128,226,65,189,77,45,80,19,37,26,47,16,0,0,0,10,0,0,0,69,0,100,0,103,0,101,0,0,0,16,102,0,0,0,1,0,0,32,0,0,0,204,23,200,182,199,212,101,234,51,160,20,157,150,146,144,151,39,93,3,161,164,186,212,226,57,101,160,86,167,155,8,7,0,0,0,0,14,128,0,0,0,2,0,0,32,0,0,0,184,144,186,180,174,237,163,184,95,232,101,63,21,177,75,98,215,199,36,30,80,192,146,63,77,115,21,70,102,42,166,165,48,0,0,0,117,126,67,77,96,159,142,116,174,11,86,56,11,231,226,145,7,63,8,207,34,20,54,206,115,112,214,184,19,252,2,122,95,58,116,12,104,15,223,163,49,195,63,147,96,226,86,246,64,0,0,0,114,72,103,37,120,230,180,221,228,136,240,64,66,22,120,71,192,126,130,46,213,57,1,27,188,210,151,225,138,111,6,223,99,131,127,243,133,142,61,229,60,15,180,41,8,227,3,169,15,181,32,167,8,219,218,233,217,48,253,19,227,158,119,122), $null, 'CurrentUser')
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:880
    • C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe
      "C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\BetterShaders" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1948,i,15345964049162441774,16954473229217659063,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1940 /prefetch:2
      2⤵
        PID:3212
      • C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe
        "C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\BetterShaders" --field-trial-handle=2156,i,15345964049162441774,16954473229217659063,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:3
        2⤵
          PID:3908
        • C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe
          "C:\Users\Admin\AppData\Local\Temp\BetterShaders.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\BetterShaders" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2516,i,15345964049162441774,16954473229217659063,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4636

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        3KB

        MD5

        f48896adf9a23882050cdff97f610a7f

        SHA1

        4c5a610df62834d43f470cae7e851946530e3086

        SHA256

        3ae35c2828715a2f9a5531d334a0cfffc81396c2dc058ca42a9943f3cdc22e78

        SHA512

        16644246f2a35a186fcb5c2b6456ed6a16e8db65ad1383109e06547f9b1f9358f071c30cca541ca4cf7bae66cb534535e88f75f6296a4bfc6c7b22b0684a6ba9

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

        1KB

        MD5

        46d6c89b6a449ce91c1a3691c516e10e

        SHA1

        dedf2c05d83a8fc311e39fa86af575866f9f7ece

        SHA256

        f6841440d2949cf97fb621923a2f931fca567382856cb60fa4c8ce3f9b81e55f

        SHA512

        bd222cc430c28abe832787973ed2a7a07d58d92f34eed1ebfe69fc4cd8ed59443ed93799979fd39d1b76ef6ff247f3ceb12b3c537de09ffba72ebec748f3e1cd

      • C:\Users\Admin\AppData\Local\Temp\65f10860-8f67-4776-9a0e-78d71a4d9430.tmp.node
        Filesize

        1.8MB

        MD5

        3072b68e3c226aff39e6782d025f25a8

        SHA1

        cf559196d74fa490ac8ce192db222c9f5c5a006a

        SHA256

        7fb52b781709b065c240b6b81394be6e72e53fe11d7c8e0f7b49dd417eb78a01

        SHA512

        61ebc72c20195e99244d95af1ab44fa06201a1aee2b5da04490fdc4312e8324a40b0e15a7b42fab5179753d767c1d08ae1a7a56ac71a6e100e63f83db849ee61

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lrcvgiqf.ae4.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\cookies.zip
        Filesize

        22B

        MD5

        76cdb2bad9582d23c1f6f4d868218d6c

        SHA1

        b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

        SHA256

        8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

        SHA512

        5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

      • memory/880-34-0x000001D16B8A0000-0x000001D16BABC000-memory.dmp
        Filesize

        2.1MB

      • memory/4600-6-0x00000299DC430000-0x00000299DC452000-memory.dmp
        Filesize

        136KB

      • memory/4600-16-0x00000299DC940000-0x00000299DC990000-memory.dmp
        Filesize

        320KB

      • memory/4636-63-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-65-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-64-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-69-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-71-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-75-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-74-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-73-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-72-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB

      • memory/4636-70-0x0000024255F00000-0x0000024255F01000-memory.dmp
        Filesize

        4KB