Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02/10/2024, 03:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
217d61437b338d7cb6f9570e702559ad909629c250e543d002e3566ef9679c75N.dll
Resource
win7-20240708-en
windows7-x64
16 signatures
120 seconds
General
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Target
217d61437b338d7cb6f9570e702559ad909629c250e543d002e3566ef9679c75N.dll
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Size
120KB
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MD5
442c974ebeb177b9f019bc49459fd4b0
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SHA1
d2672c22bd99e9642082843f1a68b6057bef95fb
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SHA256
217d61437b338d7cb6f9570e702559ad909629c250e543d002e3566ef9679c75
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SHA512
4d677f2f3c84e4159f18627194e9d00a7cff2585ef3daad6b95c574410ce19d61358c3cfab7b8e031822f49c2b3c8245903ef3e42ef5f9aa25f064a4c7de46cb
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SSDEEP
3072:NEBxt5Sk3Xffp8LhVjPMqFYtH8TFAMYqiw:NELT/eLh5+8TFAMY1w
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
Signatures
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Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f777649.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f777649.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f7757e0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f777649.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7757e0.exe -
Executes dropped EXE 3 IoCs
pid Process 2660 f7757e0.exe 2628 f775976.exe 1228 f777649.exe -
Loads dropped DLL 6 IoCs
pid Process 2168 rundll32.exe 2168 rundll32.exe 2168 rundll32.exe 2168 rundll32.exe 2168 rundll32.exe 2168 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7757e0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f777649.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f777649.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f777649.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f777649.exe -
Enumerates connected drives 3 TTPs 17 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\P: f7757e0.exe File opened (read-only) \??\T: f7757e0.exe File opened (read-only) \??\G: f777649.exe File opened (read-only) \??\I: f7757e0.exe File opened (read-only) \??\L: f7757e0.exe File opened (read-only) \??\N: f7757e0.exe File opened (read-only) \??\R: f7757e0.exe File opened (read-only) \??\E: f777649.exe File opened (read-only) \??\E: f7757e0.exe File opened (read-only) \??\G: f7757e0.exe File opened (read-only) \??\Q: f7757e0.exe File opened (read-only) \??\H: f7757e0.exe File opened (read-only) \??\S: f7757e0.exe File opened (read-only) \??\O: f7757e0.exe File opened (read-only) \??\J: f7757e0.exe File opened (read-only) \??\K: f7757e0.exe File opened (read-only) \??\M: f7757e0.exe -
resource yara_rule behavioral1/memory/2660-16-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-19-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-22-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-20-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-18-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-17-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-15-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-14-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-23-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-21-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-62-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-63-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-64-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-65-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-66-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-68-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-69-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-70-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-71-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-86-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-87-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/2660-152-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/1228-165-0x0000000000950000-0x0000000001A0A000-memory.dmp upx behavioral1/memory/1228-210-0x0000000000950000-0x0000000001A0A000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f77582e f7757e0.exe File opened for modification C:\Windows\SYSTEM.INI f7757e0.exe File created C:\Windows\f77a850 f777649.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7757e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f777649.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2660 f7757e0.exe 2660 f7757e0.exe 1228 f777649.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 2660 f7757e0.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe Token: SeDebugPrivilege 1228 f777649.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 1900 wrote to memory of 2168 1900 rundll32.exe 30 PID 2168 wrote to memory of 2660 2168 rundll32.exe 31 PID 2168 wrote to memory of 2660 2168 rundll32.exe 31 PID 2168 wrote to memory of 2660 2168 rundll32.exe 31 PID 2168 wrote to memory of 2660 2168 rundll32.exe 31 PID 2660 wrote to memory of 1116 2660 f7757e0.exe 19 PID 2660 wrote to memory of 1176 2660 f7757e0.exe 20 PID 2660 wrote to memory of 1232 2660 f7757e0.exe 21 PID 2660 wrote to memory of 872 2660 f7757e0.exe 23 PID 2660 wrote to memory of 1900 2660 f7757e0.exe 29 PID 2660 wrote to memory of 2168 2660 f7757e0.exe 30 PID 2660 wrote to memory of 2168 2660 f7757e0.exe 30 PID 2168 wrote to memory of 2628 2168 rundll32.exe 32 PID 2168 wrote to memory of 2628 2168 rundll32.exe 32 PID 2168 wrote to memory of 2628 2168 rundll32.exe 32 PID 2168 wrote to memory of 2628 2168 rundll32.exe 32 PID 2168 wrote to memory of 1228 2168 rundll32.exe 33 PID 2168 wrote to memory of 1228 2168 rundll32.exe 33 PID 2168 wrote to memory of 1228 2168 rundll32.exe 33 PID 2168 wrote to memory of 1228 2168 rundll32.exe 33 PID 2660 wrote to memory of 1116 2660 f7757e0.exe 19 PID 2660 wrote to memory of 1176 2660 f7757e0.exe 20 PID 2660 wrote to memory of 1232 2660 f7757e0.exe 21 PID 2660 wrote to memory of 872 2660 f7757e0.exe 23 PID 2660 wrote to memory of 2628 2660 f7757e0.exe 32 PID 2660 wrote to memory of 2628 2660 f7757e0.exe 32 PID 2660 wrote to memory of 1228 2660 f7757e0.exe 33 PID 2660 wrote to memory of 1228 2660 f7757e0.exe 33 PID 1228 wrote to memory of 1116 1228 f777649.exe 19 PID 1228 wrote to memory of 1176 1228 f777649.exe 20 PID 1228 wrote to memory of 1232 1228 f777649.exe 21 PID 1228 wrote to memory of 872 1228 f777649.exe 23 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7757e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f777649.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1116
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1176
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1232
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\217d61437b338d7cb6f9570e702559ad909629c250e543d002e3566ef9679c75N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\217d61437b338d7cb6f9570e702559ad909629c250e543d002e3566ef9679c75N.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\f7757e0.exeC:\Users\Admin\AppData\Local\Temp\f7757e0.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2660
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C:\Users\Admin\AppData\Local\Temp\f775976.exeC:\Users\Admin\AppData\Local\Temp\f775976.exe4⤵
- Executes dropped EXE
PID:2628
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C:\Users\Admin\AppData\Local\Temp\f777649.exeC:\Users\Admin\AppData\Local\Temp\f777649.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1228
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:872
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
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
257B
MD50e57e797ae509582110b923085e235b3
SHA19059dbf508977a66fc72d596787632c4f73cee12
SHA256d1fa8aa60373b0a6bfb6653ae9fde731843c0616a8b35a436c92938531dd434a
SHA512c460c2801e789cb8b94fa81deb92b7808cf8675aad4c69e36e571b7a168501382082eb8482688edb90c2227e2ac986b639519589e69cf1489151ff181f62f690
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Filesize
97KB
MD54eae829d33cc72a2a3238cf1e9d8b0b8
SHA1b81a59f69175e6afdaae866c2aad9403aab84c30
SHA25697e0a681a88647bd463a08f8d364509ceabe38a658cb903de2bd7205aeb72434
SHA512ddc07de615e265e428e1b2a3df3d78f22a55b77938cb23c227af9c8cc0c23fae71063caac3b326a3cf55428e6a1a2a8d86739fe8c9ce8f1a928041cd50b66b50