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Analysis
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max time kernel
28s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
17/12/2024, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll
Resource
win7-20240729-en
General
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Target
3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll
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Size
120KB
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MD5
e750c790a429d5b6d633463a7f9f01b0
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SHA1
61f8e5af8319efa643b400fc15bf3ca30adfc29e
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SHA256
3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782
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SHA512
6c9437b9e186dcc2291a5283277825ff6539b430b66a95f700a698d7dd3fccd84b361e502ed32d5efbf9107a22c01f94d6ee1e16bdce3cce5fdb50b66d334d50
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SSDEEP
1536:Z/3RtNTihJ1yGXoC6yXTs2BrlLqgJxNTRuCCMsbhYn1frQY2R3KlxVPf4tIeGCxx:Z5tRIVjs2BrlLhLohIfswxSO89h
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 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f77a61f.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a7f3.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77a61f.exe -
Executes dropped EXE 3 IoCs
pid Process 1992 f77a61f.exe 2620 f77a7f3.exe 892 f77c4f4.exe -
Loads dropped DLL 6 IoCs
pid Process 2956 rundll32.exe 2956 rundll32.exe 2956 rundll32.exe 2956 rundll32.exe 2956 rundll32.exe 2956 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77a7f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77a7f3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77a61f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77a61f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a7f3.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) \??\Q: f77a61f.exe File opened (read-only) \??\G: f77a61f.exe File opened (read-only) \??\K: f77a61f.exe File opened (read-only) \??\N: f77a61f.exe File opened (read-only) \??\S: f77a61f.exe File opened (read-only) \??\E: f77a61f.exe File opened (read-only) \??\O: f77a61f.exe File opened (read-only) \??\P: f77a61f.exe File opened (read-only) \??\R: f77a61f.exe File opened (read-only) \??\H: f77a61f.exe File opened (read-only) \??\J: f77a61f.exe File opened (read-only) \??\L: f77a61f.exe File opened (read-only) \??\I: f77a61f.exe File opened (read-only) \??\M: f77a61f.exe File opened (read-only) \??\T: f77a61f.exe -
resource yara_rule behavioral1/memory/1992-15-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-18-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-21-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-19-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-24-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-25-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-22-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-20-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-17-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-23-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-65-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-66-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-67-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-68-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-69-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-71-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-72-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-73-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-89-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-91-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-92-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/1992-158-0x0000000000590000-0x000000000164A000-memory.dmp upx behavioral1/memory/2620-180-0x0000000000970000-0x0000000001A2A000-memory.dmp upx behavioral1/memory/2620-193-0x0000000000970000-0x0000000001A2A000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f77a6ab f77a61f.exe File opened for modification C:\Windows\SYSTEM.INI f77a61f.exe File created C:\Windows\f77f72b f77a7f3.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 f77a61f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f77a7f3.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1992 f77a61f.exe 1992 f77a61f.exe 2620 f77a7f3.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 1992 f77a61f.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe Token: SeDebugPrivilege 2620 f77a7f3.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 30 PID 2956 wrote to memory of 1992 2956 rundll32.exe 31 PID 2956 wrote to memory of 1992 2956 rundll32.exe 31 PID 2956 wrote to memory of 1992 2956 rundll32.exe 31 PID 2956 wrote to memory of 1992 2956 rundll32.exe 31 PID 1992 wrote to memory of 1292 1992 f77a61f.exe 19 PID 1992 wrote to memory of 1360 1992 f77a61f.exe 20 PID 1992 wrote to memory of 1388 1992 f77a61f.exe 21 PID 1992 wrote to memory of 1028 1992 f77a61f.exe 25 PID 1992 wrote to memory of 2508 1992 f77a61f.exe 29 PID 1992 wrote to memory of 2956 1992 f77a61f.exe 30 PID 1992 wrote to memory of 2956 1992 f77a61f.exe 30 PID 2956 wrote to memory of 2620 2956 rundll32.exe 32 PID 2956 wrote to memory of 2620 2956 rundll32.exe 32 PID 2956 wrote to memory of 2620 2956 rundll32.exe 32 PID 2956 wrote to memory of 2620 2956 rundll32.exe 32 PID 2956 wrote to memory of 892 2956 rundll32.exe 33 PID 2956 wrote to memory of 892 2956 rundll32.exe 33 PID 2956 wrote to memory of 892 2956 rundll32.exe 33 PID 2956 wrote to memory of 892 2956 rundll32.exe 33 PID 1992 wrote to memory of 1292 1992 f77a61f.exe 19 PID 1992 wrote to memory of 1360 1992 f77a61f.exe 20 PID 1992 wrote to memory of 1388 1992 f77a61f.exe 21 PID 1992 wrote to memory of 1028 1992 f77a61f.exe 25 PID 1992 wrote to memory of 2620 1992 f77a61f.exe 32 PID 1992 wrote to memory of 2620 1992 f77a61f.exe 32 PID 1992 wrote to memory of 892 1992 f77a61f.exe 33 PID 1992 wrote to memory of 892 1992 f77a61f.exe 33 PID 2620 wrote to memory of 1292 2620 f77a7f3.exe 19 PID 2620 wrote to memory of 1360 2620 f77a7f3.exe 20 PID 2620 wrote to memory of 1388 2620 f77a7f3.exe 21 PID 2620 wrote to memory of 1028 2620 f77a7f3.exe 25 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a61f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77a7f3.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1292
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1360
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1388
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Local\Temp\f77a61f.exeC:\Users\Admin\AppData\Local\Temp\f77a61f.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:1992
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C:\Users\Admin\AppData\Local\Temp\f77a7f3.exeC:\Users\Admin\AppData\Local\Temp\f77a7f3.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- 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:2620
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C:\Users\Admin\AppData\Local\Temp\f77c4f4.exeC:\Users\Admin\AppData\Local\Temp\f77c4f4.exe4⤵
- Executes dropped EXE
PID:892
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1028
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
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Downloads
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Filesize
256B
MD5ad55328a3f8b08e281cd23dc201e0415
SHA148b067f39ee67e82db4ac5508ae9fac9756199e2
SHA25625be0b6bc7a623be9ca823bb1067829afe6a6a5b04646f471f9097e63f6f3e43
SHA512d917b303faf39f0535e1b7f07a277f78188f238e2609de8d350d84a0bd76a8a3ed66fcd9e2669177f697350287a193c1af5c4dbdf056504a05093ee602c5dab1
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Filesize
97KB
MD5ff18b62da358e811a5764c7bad021192
SHA11a85e345dce9a230dd2b048b6174225004aea398
SHA2566c7c596e093f53ed7a75d0e030306d72c823c75e6a23a6083e38090cc9c0a8c4
SHA512a5f24ce23f9ae80ff2f0ad6b6af1ec6bd16f1ed2249f14fe282abbc28a6d05160fca2de788456dd8da0a1719b6a3c51157db235f088e0df4a99ac5a50b2ccd01