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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 02:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4b6a67cb8f5bac5f48b4974058fd77c0.exe
Resource
win7-20231215-en
windows7-x64
16 signatures
150 seconds
General
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Target
4b6a67cb8f5bac5f48b4974058fd77c0.exe
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Size
100KB
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MD5
4b6a67cb8f5bac5f48b4974058fd77c0
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SHA1
1ea2c8640b82f59cf83e9bc6e4678863d5261e98
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SHA256
15c757161460e76ce75c4705674ee2567927e75b2e6d8c1160914f1a52514574
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SHA512
a5f9c6f7d9f13aa56ac704fde3fdf632480c3e855233c2d3109eba7bffacb694c53ee2fa6d67276400c064f54a24739c20d7ac69b77d7385c258294b4ee4fa7d
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SSDEEP
3072:wh1iAbF+mLOaqQ1FV20ucC0Pn07JrbGGIg7:zAZ+mLzqQvgJeRg
Malware Config
Extracted
Family
sality
C2
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
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" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
resource yara_rule behavioral1/memory/1928-1-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-3-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-4-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-6-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-9-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-12-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-24-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-18-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-16-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-25-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-26-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-27-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-28-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-29-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-31-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-32-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-33-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-35-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-37-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-39-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-46-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-48-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-50-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-52-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-54-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-56-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-58-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-65-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx behavioral1/memory/1928-67-0x0000000001C80000-0x0000000002D0E000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\J: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\K: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\L: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\Q: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\S: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\X: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\E: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\G: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\Z: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\R: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\O: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\P: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\U: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\Y: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\H: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\I: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\T: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\V: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\W: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\M: 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened (read-only) \??\N: 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened for modification F:\autorun.inf 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe 4b6a67cb8f5bac5f48b4974058fd77c0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe Token: SeDebugPrivilege 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1944 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 5 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 PID 1928 wrote to memory of 1116 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 9 PID 1928 wrote to memory of 1172 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 8 PID 1928 wrote to memory of 1252 1928 4b6a67cb8f5bac5f48b4974058fd77c0.exe 7 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b6a67cb8f5bac5f48b4974058fd77c0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b6a67cb8f5bac5f48b4974058fd77c0.exe"C:\Users\Admin\AppData\Local\Temp\4b6a67cb8f5bac5f48b4974058fd77c0.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1928
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1944
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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:1172
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1116
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