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Analysis
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max time kernel
130s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
22/10/2023, 17:23
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe
Resource
win7-20231020-en
General
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Target
NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe
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Size
440KB
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MD5
8d0f10a9ab84ce2f87e2c3342adb6ec0
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SHA1
b9b8979d1d907eca26a14f81880e59dc7bbfaef0
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SHA256
f0a9204ae936d9e765bec6ed87cdf94ae16dabbcc00cbda1dc72a5fe555d3478
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SHA512
796be450c9fd637744e01c9d0d8caef034464371ecd07f6049a29e96de0ef4927920147b3001a553df0d0733443f12a72c526e5106544f384aef5ea0f3042030
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SSDEEP
3072:uMs3fGBjN1Jrpi0kOBzleK6VU6SaQFQMg6WNjjeOi04Qy/cddX3rZQcVi4Kky:un3MN1JlveK6VUsQOjTjuR/cDZQcVW
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\hidefileext = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
resource yara_rule behavioral1/memory/2984-1-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-2-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-3-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-5-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-7-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-8-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-9-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-10-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-11-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-12-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-13-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-14-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-30-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-33-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-34-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-35-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-36-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-38-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-39-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral1/memory/2984-45-0x00000000025B0000-0x000000000366A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe File opened (read-only) \??\G: NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\windows\Dos.txt NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe File opened for modification C:\windows\Dos.txt NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe File created C:\Windows\f783b4c NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe File opened for modification C:\Windows\SYSTEM.INI NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe Token: SeDebugPrivilege 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2984 wrote to memory of 1124 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 1 PID 2984 wrote to memory of 1180 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 10 PID 2984 wrote to memory of 1252 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 9 PID 2984 wrote to memory of 764 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 29 PID 2984 wrote to memory of 764 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 29 PID 2984 wrote to memory of 764 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 29 PID 2984 wrote to memory of 764 2984 NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe 29 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1124
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C:\Users\Admin\AppData\Local\Temp\NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe"1⤵
- Modifies firewall policy service
- Modifies visibility of file extensions in Explorer
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2984 -
C:\windows\explorer.exeC:\windows\explorer.exe2⤵PID:764
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1252
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1180
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
6