Analysis

  • max time kernel
    160s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 06:13

General

  • Target

    f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9.exe

  • Size

    4.2MB

  • MD5

    a4bb95cc61ad5a37da54169ec66f17fb

  • SHA1

    227e04c991b1bf3dcd57de103bc915acb895522b

  • SHA256

    f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9

  • SHA512

    70e391e69d00dbbf858f0a540673a163edf29f481eb3510ee0885fc72e2f1514d5847bf5ad1e88b9a025ba2360dfabe01fbe86aefa4a2ef3271ed2fab027b009

  • SSDEEP

    98304:mkaOesepF5FSjipsR+myM8bEN4CCPrefjP//kp5vmCpy:uOenjpSs7jgP/+y

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 17 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 7 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
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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:\Users\Admin\AppData\Local\Temp\f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9.exe
    "C:\Users\Admin\AppData\Local\Temp\f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4416
    • C:\Users\Admin\AppData\Local\Temp\f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9.exe
      "C:\Users\Admin\AppData\Local\Temp\f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9.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:2208
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2436
      • 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:3232
        • 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:2956
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2236
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4776
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3552
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3184
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:712
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3244
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4160
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2436
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3152
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 932
        2⤵
        • Program crash
        PID:2032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4384 -ip 4384
      1⤵
        PID:800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zt51qk4g.xvg.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

        Filesize

        281KB

        MD5

        d98e33b66343e7c96158444127a117f6

        SHA1

        bb716c5509a2bf345c6c1152f6e3e1452d39d50d

        SHA256

        5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

        SHA512

        705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

      • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

        Filesize

        281KB

        MD5

        d98e33b66343e7c96158444127a117f6

        SHA1

        bb716c5509a2bf345c6c1152f6e3e1452d39d50d

        SHA256

        5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

        SHA512

        705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

        Filesize

        19KB

        MD5

        666dc646c07ecafe51e46f7a75244fc9

        SHA1

        bdf6a56c47cfa5d768ce594d3603f99a4ae4e15c

        SHA256

        e60cffdb07126df22f10763aa629c5b5439048c0431f730251b14108e43c2da1

        SHA512

        b7db01c6543ec83da6d734cf7bd46fc68d6bc65da0fb5b6f4660b97599b7181cab03ab471d06a2235721a7d139c92f298d66b4714f537d0bfb86c3970d1750d5

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

        Filesize

        19KB

        MD5

        0d9978c706f3b811d5b0153092bda3eb

        SHA1

        54eacb9114c81e03b743ce0a771aefca4337bf80

        SHA256

        5c4cdc1c8d3da7ddc76caf728381778302f5bdefc9e9798098598f3ad8039909

        SHA512

        7be055d7bccdd93746686b7da68697ae23ae6692e85898b9979532dd503dd05dd0cd642bd8f00e6dcb1530be4f376f670e6c3907302090d018fc7f28233b61ad

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

        Filesize

        19KB

        MD5

        5751edf02d58509458e286c51105e69b

        SHA1

        c133e92be7784a7382a9f63c1482fe3819b79214

        SHA256

        570be4a9b544791978774dd9b30b510b32ae3773ff1ab7ac18bb55f282e5c929

        SHA512

        7221d616e9aa8ce5e86cff6803083998aba1b9704fc46e988bb018d006032269fc6aac97821f13230c5c583cdcf3a3bbb53b2980ad67f6716ba36d64b947431f

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

        Filesize

        19KB

        MD5

        a33be40484624310e9780a67f5bdeec9

        SHA1

        30237c71b2e3e93b8bcb0e035b73671da7f6d204

        SHA256

        c38ef1e25d8552b6d289967f527bde73171bb04c2bf5b13126a5d319235d09da

        SHA512

        0a11c0bf0ca65ba919098123f20747b9cceb5b7db48e4e496585692a3f7eb800c12e38f60d944fbf72b8cab7d5a3aa61c65b5f07634cbb48a69d8fd9edfd9b66

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

        Filesize

        19KB

        MD5

        4f3f02593b170b34b4f163c638f6f461

        SHA1

        e4828079683702a0601f5cc6be58964899980d02

        SHA256

        8c7d927af5461d08dc4ebd1cfbb0594b50624ce80e7ceba15284a24fd6072746

        SHA512

        443bbbe7762fc0ec9497930ef0e4ac342109ca4c3f25e71fef970325e770ab77988254489399a4fae12074fbb6d7bcbe381bb39802c48b7109b913ba51a32432

      • C:\Windows\rss\csrss.exe

        Filesize

        4.2MB

        MD5

        a4bb95cc61ad5a37da54169ec66f17fb

        SHA1

        227e04c991b1bf3dcd57de103bc915acb895522b

        SHA256

        f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9

        SHA512

        70e391e69d00dbbf858f0a540673a163edf29f481eb3510ee0885fc72e2f1514d5847bf5ad1e88b9a025ba2360dfabe01fbe86aefa4a2ef3271ed2fab027b009

      • C:\Windows\rss\csrss.exe

        Filesize

        4.2MB

        MD5

        a4bb95cc61ad5a37da54169ec66f17fb

        SHA1

        227e04c991b1bf3dcd57de103bc915acb895522b

        SHA256

        f198a48a9072efdb744470605488f3a51c1adfe7f5518a711417b223b6ce12d9

        SHA512

        70e391e69d00dbbf858f0a540673a163edf29f481eb3510ee0885fc72e2f1514d5847bf5ad1e88b9a025ba2360dfabe01fbe86aefa4a2ef3271ed2fab027b009

      • memory/2208-89-0x0000000002A30000-0x0000000002E2E000-memory.dmp

        Filesize

        4.0MB

      • memory/2208-127-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/2208-105-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/2208-71-0x0000000002A30000-0x0000000002E2E000-memory.dmp

        Filesize

        4.0MB

      • memory/2208-72-0x0000000002E30000-0x000000000371B000-memory.dmp

        Filesize

        8.9MB

      • memory/2208-73-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/2208-172-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/2236-116-0x00000000059A0000-0x0000000005CF4000-memory.dmp

        Filesize

        3.3MB

      • memory/2236-115-0x00000000029A0000-0x00000000029B0000-memory.dmp

        Filesize

        64KB

      • memory/2236-129-0x0000000070830000-0x000000007087C000-memory.dmp

        Filesize

        304KB

      • memory/2236-113-0x0000000074930000-0x00000000750E0000-memory.dmp

        Filesize

        7.7MB

      • memory/2236-128-0x00000000029A0000-0x00000000029B0000-memory.dmp

        Filesize

        64KB

      • memory/2236-114-0x00000000029A0000-0x00000000029B0000-memory.dmp

        Filesize

        64KB

      • memory/2436-91-0x0000000070830000-0x000000007087C000-memory.dmp

        Filesize

        304KB

      • memory/2436-102-0x0000000007960000-0x0000000007A03000-memory.dmp

        Filesize

        652KB

      • memory/2436-88-0x0000000005180000-0x0000000005190000-memory.dmp

        Filesize

        64KB

      • memory/2436-87-0x0000000006C40000-0x0000000006C8C000-memory.dmp

        Filesize

        304KB

      • memory/2436-86-0x00000000061F0000-0x0000000006544000-memory.dmp

        Filesize

        3.3MB

      • memory/2436-76-0x0000000005180000-0x0000000005190000-memory.dmp

        Filesize

        64KB

      • memory/2436-75-0x0000000005180000-0x0000000005190000-memory.dmp

        Filesize

        64KB

      • memory/2436-111-0x0000000074930000-0x00000000750E0000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-108-0x0000000005180000-0x0000000005190000-memory.dmp

        Filesize

        64KB

      • memory/2436-107-0x0000000005180000-0x0000000005190000-memory.dmp

        Filesize

        64KB

      • memory/2436-106-0x0000000074930000-0x00000000750E0000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-74-0x0000000074930000-0x00000000750E0000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-104-0x0000000007CA0000-0x0000000007CB4000-memory.dmp

        Filesize

        80KB

      • memory/2436-90-0x000000007F730000-0x000000007F740000-memory.dmp

        Filesize

        64KB

      • memory/2436-103-0x0000000007C50000-0x0000000007C61000-memory.dmp

        Filesize

        68KB

      • memory/2436-92-0x00000000709B0000-0x0000000070D04000-memory.dmp

        Filesize

        3.3MB

      • memory/3552-276-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/3552-240-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-25-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-69-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-4-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-56-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-2-0x0000000002F00000-0x00000000037EB000-memory.dmp

        Filesize

        8.9MB

      • memory/4384-6-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-7-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-1-0x0000000002AF0000-0x0000000002EF5000-memory.dmp

        Filesize

        4.0MB

      • memory/4384-33-0x0000000000400000-0x0000000000D1B000-memory.dmp

        Filesize

        9.1MB

      • memory/4384-5-0x0000000002AF0000-0x0000000002EF5000-memory.dmp

        Filesize

        4.0MB

      • memory/4416-31-0x0000000006240000-0x0000000006284000-memory.dmp

        Filesize

        272KB

      • memory/4416-68-0x0000000074890000-0x0000000075040000-memory.dmp

        Filesize

        7.7MB

      • memory/4416-64-0x00000000060A0000-0x00000000060A8000-memory.dmp

        Filesize

        32KB

      • memory/4416-62-0x0000000007640000-0x000000000765A000-memory.dmp

        Filesize

        104KB

      • memory/4416-60-0x000000007EE80000-0x000000007EE90000-memory.dmp

        Filesize

        64KB

      • memory/4416-58-0x0000000007510000-0x0000000007524000-memory.dmp

        Filesize

        80KB

      • memory/4416-57-0x0000000007500000-0x000000000750E000-memory.dmp

        Filesize

        56KB

      • memory/4416-55-0x00000000074C0000-0x00000000074D1000-memory.dmp

        Filesize

        68KB

      • memory/4416-54-0x0000000007560000-0x00000000075F6000-memory.dmp

        Filesize

        600KB

      • memory/4416-53-0x0000000007490000-0x000000000749A000-memory.dmp

        Filesize

        40KB

      • memory/4416-52-0x00000000073A0000-0x0000000007443000-memory.dmp

        Filesize

        652KB

      • memory/4416-51-0x0000000007340000-0x000000000735E000-memory.dmp

        Filesize

        120KB

      • memory/4416-41-0x0000000070780000-0x0000000070AD4000-memory.dmp

        Filesize

        3.3MB

      • memory/4416-40-0x0000000070730000-0x000000007077C000-memory.dmp

        Filesize

        304KB

      • memory/4416-39-0x0000000007360000-0x0000000007392000-memory.dmp

        Filesize

        200KB

      • memory/4416-38-0x000000007EE80000-0x000000007EE90000-memory.dmp

        Filesize

        64KB

      • memory/4416-37-0x0000000007130000-0x000000000714A000-memory.dmp

        Filesize

        104KB

      • memory/4416-36-0x0000000007880000-0x0000000007EFA000-memory.dmp

        Filesize

        6.5MB

      • memory/4416-35-0x0000000007180000-0x00000000071F6000-memory.dmp

        Filesize

        472KB

      • memory/4416-34-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/4416-32-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/4416-29-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/4416-28-0x0000000005E90000-0x0000000005EDC000-memory.dmp

        Filesize

        304KB

      • memory/4416-27-0x00000000058C0000-0x00000000058DE000-memory.dmp

        Filesize

        120KB

      • memory/4416-26-0x0000000074890000-0x0000000075040000-memory.dmp

        Filesize

        7.7MB

      • memory/4416-24-0x00000000059D0000-0x0000000005D24000-memory.dmp

        Filesize

        3.3MB

      • memory/4416-23-0x0000000005960000-0x00000000059C6000-memory.dmp

        Filesize

        408KB

      • memory/4416-22-0x0000000005850000-0x00000000058B6000-memory.dmp

        Filesize

        408KB

      • memory/4416-21-0x00000000057B0000-0x00000000057D2000-memory.dmp

        Filesize

        136KB

      • memory/4416-11-0x0000000004EF0000-0x0000000005518000-memory.dmp

        Filesize

        6.2MB

      • memory/4416-10-0x0000000004880000-0x00000000048B6000-memory.dmp

        Filesize

        216KB

      • memory/4416-9-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/4416-8-0x0000000074890000-0x0000000075040000-memory.dmp

        Filesize

        7.7MB