Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
07-06-2024 02:57
General
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Target
e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44.exe
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Size
4.1MB
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MD5
e29c083b993670853ad8cc452b1cb4d1
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SHA1
fce7f4d659a7cf6ca079fa26d30cbb185f9e676a
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SHA256
e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44
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SHA512
3937c2cd8e11722eac10b57b287b5340caa2604ef4f5be338f39e1d7fb8f9fcd82078503650aa4b70a2dfe9d3e1b3b7bb35c287c4e7f1683a574731d278e0fc8
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SSDEEP
98304:JGrnwiB2dYFBQLVw0Jv37FWi1chPr/xRmmjECQgDNU:JG7LuY/yhvJWf/qmwCQmU
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\e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44.exe"C:\Users\Admin\AppData\Local\Temp\e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44.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\e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44.exe"C:\Users\Admin\AppData\Local\Temp\e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44.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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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1336,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:81⤵
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
MD5fc7123f2b06a54331191b0c8b6a0eb15
SHA1c5dcbbcae00034e69c8da7255ac110ffe7e4956b
SHA256fa5c7f33c6846d43c3bf0405e8bb37c48731dc343a1b789b9a499ac8c7a0edc5
SHA5126a9ada89b2f3fa412cb8d56405bb639e66f7fa24f72eb6e0f7d85ec61784e444d346cff00bfd7d9e150e242066daba1019dc89ec6d3f25252720fde09277ce1a
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Filesize
19KB
MD595ef12d8135dcc33590369490353d775
SHA1cfaf01309e4fb957760420f337c3b75a48257f64
SHA256d55a2f8d713b0b49affe91a6b33ce0eb90be46da3fdcb439c71197e42727f87a
SHA5125f5b3b5bfca340e6f881aadc32b9fd9d3585904b27102114e75d97d19c9120092843353010c33eb1ab2fba89c442c12ec1fba89876c5676f9367bc606f13fb0f
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Filesize
19KB
MD5c852ded113cac662d308015f743fa4b7
SHA10e5437d850420da3b9ca106c801ec732e51b409d
SHA2562839a1f2bc7e9774ae7b7d2b7fd4cb9810cd7b82e9b74e051b64c103bc124002
SHA512a355a633aef701121115db14bc8d5aa011c0f95678597e4da900bd2bee06a2bc2c28e9a5bd3596db3533071c03834e18a948a459d72c2a2488e631d3996c2d79
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Filesize
19KB
MD594509f33c096592976374b139a300251
SHA1db713cb608a06fc78172113fff71f24be0fc52ce
SHA256822d30dbf04a8d93669df4f85f886cba286ed251acf12045cb169b1fdba22b81
SHA51292581617e2050056cd7641c81d023ab151eba9ef2ef0bfef4d1432b48eb1249c49bfa6c2d01da827aee468143cb4aa1089bc286936f5cebc42b78e744b776ffe
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Filesize
19KB
MD582c38b2137b2b2be44c0b1399a5355fc
SHA164999a45eca1653d5d3f05321b7c4b2ec879ed09
SHA256a1082f391ebac1e2e761c55037760b4fa288056a1a82553ef207321f4ce78b06
SHA51201cd41707b05283e065a1dfd5873ff899448642ab33e82d8bb94812936f0900985c01d4ad7b707699def2b6daaba283669166b35d1bc40af470c94fb3cc1f277
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Filesize
4.1MB
MD5e29c083b993670853ad8cc452b1cb4d1
SHA1fce7f4d659a7cf6ca079fa26d30cbb185f9e676a
SHA256e31eca26eebc6c55841ba9012aef2e64af914e13d85be5eed4cfee7d18b7cc44
SHA5123937c2cd8e11722eac10b57b287b5340caa2604ef4f5be338f39e1d7fb8f9fcd82078503650aa4b70a2dfe9d3e1b3b7bb35c287c4e7f1683a574731d278e0fc8
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Filesize
3.3MB
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Filesize
652KB
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Filesize
304KB
-
Filesize
304KB
-
Filesize
68KB
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Filesize
3.3MB
-
Filesize
80KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
6.2MB
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Filesize
7.7MB
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Filesize
652KB
-
Filesize
7.7MB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
-
Filesize
32KB
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Filesize
7.7MB
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Filesize
216KB
-
Filesize
4KB
-
Filesize
120KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
136KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
272KB
-
Filesize
472KB
-
Filesize
200KB
-
Filesize
104KB
-
Filesize
6.5MB
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Filesize
8.9MB
-
Filesize
4.0MB
-
Filesize
9.1MB
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Filesize
4.0MB
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Filesize
42.9MB
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Filesize
42.9MB
-
Filesize
9.1MB
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Filesize
8.9MB
-
Filesize
68KB
-
Filesize
80KB
-
Filesize
652KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB
-
Filesize
42.9MB