Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/05/2024, 18:18
Static task
static1
Behavioral task
behavioral1
Sample
cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe
Resource
win7-20240221-en
General
-
Target
cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe
-
Size
65KB
-
MD5
cfa5b7664d2b063a9bd741d60b91af0b
-
SHA1
95798de65067dd02cd964260abaaabfac0f6cb74
-
SHA256
6c0ad1faf5b831a44d6331ed62212558462aa1b907730235afaebcc818f8b6af
-
SHA512
4f6a5330fa2f04aa105450c035f1e742047551cddceeec5d42ad718fea31c263822de5d3a47f9c58f8416d9a3072f1355f0d0e5a57ab6c97c5cc57251ce60da5
-
SSDEEP
1536:qCYQGutTKEADuLg1XxnzfnQQpnKl46eHFWtmpRezunyTlU1PDDHRKKPq1QVD:deut2XuLWBbJnKlvkkmYIHM1m
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
-
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" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
resource yara_rule behavioral1/memory/2848-12-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-5-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-8-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-9-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-11-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-3-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-4-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-10-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-7-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-6-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-31-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-32-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-33-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-35-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-34-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-37-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-38-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-39-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-42-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-43-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-48-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-50-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-52-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-53-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-55-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-58-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-59-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-62-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-65-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-66-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-68-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-70-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2848-91-0x00000000006D0000-0x000000000178A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
Enumerates connected drives 3 TTPs 15 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\L: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\T: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\I: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\J: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\S: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\E: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\P: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\R: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\N: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\O: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\Q: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\G: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\K: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File opened (read-only) \??\M: cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe File created C:\Windows\f7614a9 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe Token: SeDebugPrivilege 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2848 wrote to memory of 1084 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 18 PID 2848 wrote to memory of 1140 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 20 PID 2848 wrote to memory of 1184 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 21 PID 2848 wrote to memory of 1664 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 23 PID 2848 wrote to memory of 1084 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 18 PID 2848 wrote to memory of 1140 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 20 PID 2848 wrote to memory of 1184 2848 cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe 21 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe
Processes
-
C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1084
-
C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1140
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1184
-
C:\Users\Admin\AppData\Local\Temp\cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\cfa5b7664d2b063a9bd741d60b91af0b_NEAS.exe"2⤵
- Modifies firewall policy service
- 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 WriteProcessMemory
- System policy modification
PID:2848
-
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1664
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
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5