Analysis
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max time kernel
300s -
max time network
300s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
01-05-2024 22:49
General
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Target
31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3.exe
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Size
4.1MB
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MD5
0473ef4659547c66339a72d00c0655a8
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SHA1
de0801690033096c5a87bfec4315a395d8bc59bd
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SHA256
31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3
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SHA512
e0a41cd04df88918e08545d26f9214e3036e09048da6024097e5cdce40a386285d418de04ab4a40fcbd9a47ec1a06168245950000205180e09b08ee8729e8549
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SSDEEP
98304:VB+pokA3uLr67t8MVyOHX+J6fh0VTXiCNKfogoP0GUbubAei:VBc4uLrIK0u8fYNDf0GUb+Aei
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 31 IoCs
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Windows security bypass 2 TTPs 7 IoCs
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Modifies boot configuration data using bcdedit 14 IoCs
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Drops file in Drivers directory 1 IoCs
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Possible attempt to disable PatchGuard 2 TTPs
Rootkits can use kernel patching to embed themselves in an operating system.
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Executes dropped EXE 6 IoCs
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Loads dropped DLL 13 IoCs
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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 7 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 WinMon driver. 1 IoCs
Roottkits write to WinMon to hide PIDs from being detected.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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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 5 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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Modifies system certificate store 2 TTPs 11 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 64 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\31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3.exe"C:\Users\Admin\AppData\Local\Temp\31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3.exe"C:\Users\Admin\AppData\Local\Temp\31a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3.exe"2⤵
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- 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\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
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Manipulates WinMon driver.
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 05⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 15⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -timeout 05⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exeC:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}5⤵
- Modifies boot configuration data using bcdedit
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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\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exeC:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe4⤵
- Executes dropped EXE
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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⤵
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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\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240501224949.log C:\Windows\Logs\CBS\CbsPersist_20240501224949.cab1⤵
- Drops file in Windows directory
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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
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
8.3MB
MD5fd2727132edd0b59fa33733daa11d9ef
SHA163e36198d90c4c2b9b09dd6786b82aba5f03d29a
SHA2563a72dbedc490773f90e241c8b3b839383a63ce36426a4f330a0f754b14b4d23e
SHA5123e251be7d0e8db92d50092a4c4be3c74f42f3d564c72981f43a8e0fe06427513bfa0f67821a61a503a4f85741f0b150280389f8f4b4f01cdfd98edce5af29e6e
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Filesize
492KB
MD5fafbf2197151d5ce947872a4b0bcbe16
SHA1a86eaa2dd9fc6d36fcfb41df7ead8d1166aea020
SHA256feb122b7916a1e62a7a6ae8d25ea48a2efc86f6e6384f5526e18ffbfc5f5ff71
SHA512acbd49a111704d001a4ae44d1a071d566452f92311c5c0099d57548eddc9b3393224792c602022df5c3dd19b0a1fb4eff965bf038c8783ae109336699f9d13f6
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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Filesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
94KB
MD5d98e78fd57db58a11f880b45bb659767
SHA1ab70c0d3bd9103c07632eeecee9f51d198ed0e76
SHA256414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0
SHA512aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
1.5MB
MD5f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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Filesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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Filesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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Filesize
163KB
MD55c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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Filesize
4.1MB
MD50473ef4659547c66339a72d00c0655a8
SHA1de0801690033096c5a87bfec4315a395d8bc59bd
SHA25631a25019889dd75ec99f4c5efbc753a0438279b96ef6dbdbb309018cf7926fa3
SHA512e0a41cd04df88918e08545d26f9214e3036e09048da6024097e5cdce40a386285d418de04ab4a40fcbd9a47ec1a06168245950000205180e09b08ee8729e8549
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Filesize
4.9MB
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Filesize
4.9MB
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Filesize
4.9MB
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Filesize
4.9MB
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Filesize
4.9MB
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Filesize
5.9MB
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Filesize
5.9MB
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Filesize
4.0MB
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Filesize
42.8MB
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Filesize
4.0MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
4.0MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB
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Filesize
42.8MB