Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
14-04-2024 01:39
General
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Target
bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60.exe
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Size
4.2MB
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MD5
88c9cb2995c96df8d838a12ea9ce4dd0
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SHA1
bd9036aafaf4bc173d3094eb37c52bef4b6d0b9e
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SHA256
bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60
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SHA512
aaf43c0182a621c6677f2f613ed31cd187849c89793d06f91326d39ac99178662daca987a8a03bcd7a2dcb6f10b8e61570b3d9c2d218e05a1194b2e1bd50eb7f
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SSDEEP
98304:mxYk/Wd4gprCGADohyqBdv1Fi5ytzZrDpDNU:YnWmu2kBdS54nBNU
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 17 IoCs
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Detects Windows executables referencing non-Windows User-Agents 14 IoCs
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Detects executables Discord URL observed in first stage droppers 14 IoCs
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Detects executables containing URLs to raw contents of a Github gist 14 IoCs
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Detects executables containing artifacts associated with disabling Widnows Defender 14 IoCs
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Detects executables referencing many varying, potentially fake Windows User-Agents 14 IoCs
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UPX dump on OEP (original entry point) 3 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 3 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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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\bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60.exe"C:\Users\Admin\AppData\Local\Temp\bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60.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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60.exe"C:\Users\Admin\AppData\Local\Temp\bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60.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
- 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
- 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
- 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
- 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
- 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
- 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
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
MD50d05eb7e8ce59bd12ef9030744ba101c
SHA13e06fe8f2b291fec05589dbc6bc744f81bfeb321
SHA256fbf30ac792fec82f1cc985c0b361113b64b0a3ae8326bcdca4bbb792d37224e7
SHA51261c168dbd095c5f16c110891b6523a1968bb6004a33fb9a95146a28c91fc9849bd9067cae96a5e0d243f90a40ac38755b6f655c2cb585db0115ccfc9e64197ea
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Filesize
19KB
MD53ff8a0175dd388a19720b5c6a3d332c6
SHA17efdcdf6dc607100b7e0f388678f9b57132a3a45
SHA25691bf01ab2ef434c3e01ab2ecde848070537503ce65fab6715e23bda45d33caa1
SHA512f72e6301d87398ac914bef456ee07afd1677d22c60d1f39612da83bc13b1f00ff7d763a7824b79b94a0184b46b806481098720b3f8e735141802143b60c40392
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Filesize
19KB
MD50dce14442c197669284006a20d0f0b68
SHA13ceaaf024b2e2ddca8347778fc963ed24e30c45e
SHA256f041e9b4ac141e577a27c761049be770e1fa496d7aa9ab02da3f12c7df6ca977
SHA51291bbffdedfa019b84121708a7eb733aa3cd22c18e3f732780c9a0de1dd625c54ee22a9e882c119d86deecc4e4693982e5c3ca0adfe74306bf2c162d5a0ba77ce
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Filesize
19KB
MD55e3b2b80faf578e801becbd11d818174
SHA1c46043626ef7e3ab7fa24904b56da479017bd514
SHA2566818d066ed9468a8b06ae03582031b0777c8f942e23a42dbe524bd34e36a8fe8
SHA512fb8056a479cb4f73b052de2e40adbdcf503ebe29aee7689e102dcc195193371c2e7bb5e8c94e4f54d6927acc6f3c1b1691f1cec2a9b16c172f8ad4b575a9a607
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Filesize
19KB
MD521385e9e547c00afdf6369862e9a40ad
SHA1b9211e143558bf7fd52839daded3cd7062983e3c
SHA256717ce6324b9fe61ea8bafd651e1daacfe5ed1bf022342354110cdf30b49971ec
SHA512336dfa016d0ed6363d2e2c63a5bb5242c7e511e341026f73eb9f620e6fa124e50e2f372b39afb034a2b78c20b3993b0210da0aec834982e7b2a2b7c548af9d2d
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Filesize
4.2MB
MD588c9cb2995c96df8d838a12ea9ce4dd0
SHA1bd9036aafaf4bc173d3094eb37c52bef4b6d0b9e
SHA256bfb49b198bec40507f48ae692234f001c7b0daf41c5efd93bbce37c3f9082e60
SHA512aaf43c0182a621c6677f2f613ed31cd187849c89793d06f91326d39ac99178662daca987a8a03bcd7a2dcb6f10b8e61570b3d9c2d218e05a1194b2e1bd50eb7f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
8.9MB
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Filesize
44.1MB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
8.9MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
8.9MB
-
Filesize
4.0MB
-
Filesize
44.1MB
-
Filesize
4.0MB
-
Filesize
44.1MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
652KB
-
Filesize
64KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
68KB
-
Filesize
64KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
3.3MB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
4.9MB
-
Filesize
4.9MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
44.1MB
-
Filesize
104KB
-
Filesize
408KB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
200KB
-
Filesize
652KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
6.5MB
-
Filesize
472KB
-
Filesize
64KB
-
Filesize
272KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
6.2MB
-
Filesize
40KB
-
Filesize
64KB
-
Filesize
600KB
-
Filesize
7.7MB
-
Filesize
216KB
-
Filesize
68KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
-
Filesize
32KB