Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 00:16
Static task
static1
Behavioral task
behavioral1
Sample
21589fa1487729166e4f22e47acebdc6.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
21589fa1487729166e4f22e47acebdc6.exe
Resource
win10v2004-20231215-en
General
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Target
21589fa1487729166e4f22e47acebdc6.exe
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Size
521KB
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MD5
21589fa1487729166e4f22e47acebdc6
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SHA1
d5ffc8163e9bfde9458506f86cf59743155e0d78
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SHA256
9cc2ff00ce8f65a65a7a798b4b955affeb29c9473d0e956b228ab80a2e07bd7c
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SHA512
5b0bed53ab09f5475e06ce0a7b236bf53b935e32beeb8133eb03050e7f1373a5bb8db0c709b8588632112448fa601510325515bb3f973ec17c129b46340ad575
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SSDEEP
6144:d25mswOyIZjyMrmhc2TawYaOt2da2k78qh90GiTwXw35lk9jgvy89:d2wRIZgvOJDz9fA35lk9N
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\svvhost.exe" 21589fa1487729166e4f22e47acebdc6.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 whatismyip.com 42 ip-address.domaintools.com 46 ip-address.domaintools.com -
Modifies registry key 1 TTPs 1 IoCs
pid Process 4796 reg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2392 21589fa1487729166e4f22e47acebdc6.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2392 21589fa1487729166e4f22e47acebdc6.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2392 wrote to memory of 912 2392 21589fa1487729166e4f22e47acebdc6.exe 93 PID 2392 wrote to memory of 912 2392 21589fa1487729166e4f22e47acebdc6.exe 93 PID 2392 wrote to memory of 912 2392 21589fa1487729166e4f22e47acebdc6.exe 93 PID 912 wrote to memory of 4796 912 cmd.exe 92 PID 912 wrote to memory of 4796 912 cmd.exe 92 PID 912 wrote to memory of 4796 912 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\21589fa1487729166e4f22e47acebdc6.exe"C:\Users\Admin\AppData\Local\Temp\21589fa1487729166e4f22e47acebdc6.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f2⤵
- Suspicious use of WriteProcessMemory
PID:912
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C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f1⤵
- UAC bypass
- Modifies registry key
PID:4796
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1