Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
20-05-2024 19:43
General
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Target
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe
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Size
4.1MB
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MD5
a9734842f8ec511208a9624f0d76d841
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SHA1
b6ac1ab4f2503b7a1e4b13b968998f317821031c
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SHA256
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b
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SHA512
20a4f7a2c8bb232f6a59832095c431cf4e581dcf1f441a5592a1d29fbd7e6230f14c707d54ca5f72c5896fb4a06e139e8b6a47438fcb0a0a298cc51aaa0faa38
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1B:JvHfb2IifudqhIuUHwAjW+H
Malware Config
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload 19 IoCs
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Detects Windows executables referencing non-Windows User-Agents 17 IoCs
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Detects executables Discord URL observed in first stage droppers 17 IoCs
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Detects executables containing URLs to raw contents of a Github gist 17 IoCs
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Detects executables containing artifacts associated with disabling Widnows Defender 17 IoCs
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Detects executables referencing many varying, potentially fake Windows User-Agents 17 IoCs
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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Drops file in System32 directory 7 IoCs
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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.
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Drops file in Windows directory 2 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs
Using powershell.exe command.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 10 IoCs
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Suspicious use of WriteProcessMemory 30 IoCs
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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
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C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\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
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
19KB
MD55f48ea3b6a9663838bfd7fa8514258d2
SHA1efe8ac694e40dfe6384d5ba8a3b3e687be6d65e9
SHA256471dcb457afe1531019bc6d7eb3be23ed2c263dc0598dc488d77d6cd755e70e5
SHA512f3c9f0c303a4493b34a6b45bbfebdb789360dc39b1a0cce19e02a4c28691710696e1962d753128c28aff8bfccaa0a51a4db7399464750599a49d3048d9bc90d9
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Filesize
19KB
MD5c7619f40b39279e96b1e72c23bb14265
SHA17d2375fce1ea1bb6af6351ae4be45e543730e098
SHA25621edc88c0694bfd893c9c83e7bb939eb8583a878660fa18dbf7a82c995c8d0f3
SHA512c7d0bc66b8efe4eb933bbd61b5172f82491de34fdbb9f32f9c685ddff06384f09102936a16a9b972e409dbac853a5e1370f8e14d0132a2525023e9d03d27dd71
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Filesize
19KB
MD5538a84ebe214cce60481fbef1d437ac3
SHA1f7d6e244f97db34575b9f77edb5a523c023a2025
SHA25601becb00bbf7c0f0107c28cb28bf6e5ea7053288cf5b552f84c91a0bd3852b0b
SHA512be793da33c548c6f1caf68c9a1560440bd0c747555575430d99b545ece1872cb71a5992a4c96d3d81416f2f1d2d810556552a06ea878fe59b5504eef809871fc
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Filesize
19KB
MD5eca23332c6aab84a95f1907fb459ff52
SHA1ed812a6fb27a5abf67a372e4758f40645f5ccfa7
SHA2563bc3cd194ddedb45f83bde8a94a6681f2043c85b9e73707ef409f683daf72c96
SHA512264af234bd6c8442c5046dfa31c140e5c4c434265311a24f93749da2fbb6325c5fbc4227c79e36c0ca9f0730660432be51f2e1b952a1f50bca182f563570b14d
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Filesize
19KB
MD56f1dcc47e378371b9b00226ba0eb882b
SHA1c6130090a1f144ec1146dffc4a77f6dfa44c2de0
SHA25647738101df1037db8b2f79c719dd510ea2a9c14682df2a88e8ca9d33a19eb587
SHA512bc494b232828f33721161e7779ec6e76b6978371896682500fea7fd2c8496bb3a06c65671d1e7a027bc0596e93391aa19795544664794bac90c5b52ef44268cb
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Filesize
4.1MB
MD5a9734842f8ec511208a9624f0d76d841
SHA1b6ac1ab4f2503b7a1e4b13b968998f317821031c
SHA25618d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b
SHA51220a4f7a2c8bb232f6a59832095c431cf4e581dcf1f441a5592a1d29fbd7e6230f14c707d54ca5f72c5896fb4a06e139e8b6a47438fcb0a0a298cc51aaa0faa38
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Filesize
35.2MB
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Filesize
304KB
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Filesize
3.3MB
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Filesize
3.3MB
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Filesize
35.2MB
-
Filesize
4.0MB
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Filesize
9.1MB
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Filesize
4.0MB
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Filesize
8.9MB
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Filesize
9.1MB
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Filesize
8.9MB
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Filesize
3.3MB
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Filesize
304KB
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Filesize
35.2MB
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Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
35.2MB
-
Filesize
68KB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
652KB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
3.3MB
-
Filesize
472KB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
68KB
-
Filesize
7.7MB
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Filesize
600KB
-
Filesize
40KB
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Filesize
7.7MB
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Filesize
652KB
-
Filesize
4KB
-
Filesize
200KB
-
Filesize
216KB
-
Filesize
6.2MB
-
Filesize
120KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
136KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
104KB
-
Filesize
272KB
-
Filesize
7.7MB
-
Filesize
6.5MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
652KB
-
Filesize
68KB
-
Filesize
80KB