Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
18-05-2024 02:26
General
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Target
b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664.exe
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Size
4.1MB
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MD5
18a553ef1d258cebe523621e65c5d61c
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SHA1
4bd6447ea3c6f42e47e207b30d039c169d0722ac
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SHA256
b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
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SHA512
76789a726e92b754e7bd632c222a9cc53d2af19aa3a7dd89ecb90a6cc049613b814dc1c9016481689b1784446c9c5c7e1792f471e26f520a6c7f8330700306c7
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SSDEEP
98304:83tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59X5:8dQIuMQA9oQJ/gXD2
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 18 IoCs
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Detects Windows executables referencing non-Windows User-Agents 16 IoCs
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Detects executables Discord URL observed in first stage droppers 16 IoCs
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Detects executables containing URLs to raw contents of a Github gist 16 IoCs
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Detects executables containing artifacts associated with disabling Widnows Defender 16 IoCs
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Detects executables referencing many varying, potentially fake Windows User-Agents 16 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Executes dropped EXE 4 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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 4 IoCs
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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
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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 12 IoCs
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Suspicious use of WriteProcessMemory 36 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\b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664.exe"C:\Users\Admin\AppData\Local\Temp\b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664.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\b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664.exe"C:\Users\Admin\AppData\Local\Temp\b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664.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.
- Drops file in Windows directory
- 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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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
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
MD52088923d3906b2e3172872faac0ab46a
SHA10feca7d55c2a585f2c68241a0687d376a38b56d5
SHA25630a517e566cdad481394347d861faca3729cf88a5725f2a536d32d59f0ed7cf6
SHA512e70e412edf1b2f46731b66a53308583aea86c8457d5c546c3afa4d9b94e8df6f94e2fc20df6c068216b2342b6b8684e61f41aea7b444270d5b0bc0c8e3f0ae87
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Filesize
19KB
MD59c0018e8ea475f078ce8234907905cee
SHA1fbde1309b14e609541406183ffcee8e39bbee283
SHA256d4712aeb7a3c0a83755827c7828269b097873218329cd4b024e18169f920e996
SHA512cc7b519ff83ee8e3730266e56ce16d601197925103fe1ee7c842f2223bc04e4525c913b3acb1d0a66fc2f8a206b88a46d1ed9f4bb1c6af972f4d3f6feaf92ead
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Filesize
19KB
MD52576dd18cf0de87c5217d97d285f8c87
SHA16367417b5be9ae6cab661e6ad44caf1708c17182
SHA256bd7544fd066d3396fe7823d8cadbf295c80b8e26d4c56e7002315a08bfb78515
SHA5122074d80b87049c41c94213ca04e521cb080551311de256700444cfcd3f29d93af096d767b987361d0ed24ef9127c038e491d84fff3ed441548ef598592b22743
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Filesize
19KB
MD52aa0bc663356da9b726d7dd0cf361c01
SHA18fb40ffb806be679d5699fe5e8b9eb0b805d9410
SHA25694f414c99ee2f83941b230120bbf1c81d288f94449e1f26093230216e45c7fb9
SHA512c897e7a7333b895ea883925942cb2fc2337edde12aa2afd44d29db81c32c67ac6994ce7bc82c59132f07586e4227044c2b2fcc4437b287c30dbdd3aa7943679a
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Filesize
19KB
MD57a0d1deb09a9bfdca037425f0332b39a
SHA1a284e777c41811d045d3896378534ad0315f2105
SHA2563553df5862345a0376bb90e5d02282886449ccc0bfe5289850e34c52ec5e8c14
SHA5126ad76b26c5e4f139239785e9303d44af07e63897dc622c4ebbbba31270479621e5ad6a0917be8a64f918242fc0eeba44ffa489fdc596ce8bda9079143ad60be3
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Filesize
4.1MB
MD518a553ef1d258cebe523621e65c5d61c
SHA14bd6447ea3c6f42e47e207b30d039c169d0722ac
SHA256b8f82a1752d1752e01cb87e4651174c0b628b125aca23c0fde9f3336c2904664
SHA51276789a726e92b754e7bd632c222a9cc53d2af19aa3a7dd89ecb90a6cc049613b814dc1c9016481689b1784446c9c5c7e1792f471e26f520a6c7f8330700306c7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
3.3MB
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Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
68KB
-
Filesize
652KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
136KB
-
Filesize
4KB
-
Filesize
120KB
-
Filesize
652KB
-
Filesize
7.7MB
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Filesize
40KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
7.7MB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
-
Filesize
32KB
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Filesize
7.7MB
-
Filesize
216KB
-
Filesize
304KB
-
Filesize
104KB
-
Filesize
6.5MB
-
Filesize
472KB
-
Filesize
272KB
-
Filesize
304KB
-
Filesize
120KB
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Filesize
3.3MB
-
Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
3.3MB
-
Filesize
408KB
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Filesize
408KB
-
Filesize
4.9MB
-
Filesize
4.9MB
-
Filesize
9.1MB
-
Filesize
4.0MB
-
Filesize
9.1MB
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Filesize
8.9MB
-
Filesize
9.1MB
-
Filesize
8.9MB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
9.1MB
-
Filesize
304KB
-
Filesize
68KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
652KB
-
Filesize
80KB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
4.9MB
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Filesize
4.9MB