Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 08:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
66bf5decf8189095ead02dda0d2fbf7d6af0973eef1ffe19533ab38c3fd7b062.dll
Resource
win7-20240708-en
windows7-x64
17 signatures
150 seconds
General
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Target
66bf5decf8189095ead02dda0d2fbf7d6af0973eef1ffe19533ab38c3fd7b062.dll
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Size
120KB
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MD5
cca2e89127b69f63cadf73e76bc2fedb
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SHA1
c9083603791557d664a9562da6c7c682bfef087f
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SHA256
66bf5decf8189095ead02dda0d2fbf7d6af0973eef1ffe19533ab38c3fd7b062
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SHA512
62d8682fe7942cd91840d77afc946baa3e9b81709be4e633b7df0a7223a5f2c1bb27ac800be3123ef064d1eacd1e9251f278eec753a14eb30be6d9d61d359e88
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SSDEEP
1536:4RbFheFGVax37zNxA9Eobg04n/bQ6PS/ZVY/o7S5PEGIx5DKf2hCHLSG3D7Ydxb9:4ReUV2PATubQbY/5cJTDR3FXCtJy
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" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f77581f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f77581f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f77581f.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7759c4.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77581f.exe -
Executes dropped EXE 3 IoCs
pid Process 2660 f77581f.exe 2584 f7759c4.exe 432 f777658.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 Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7759c4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7759c4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77581f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7759c4.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: f77581f.exe File opened (read-only) \??\J: f77581f.exe File opened (read-only) \??\E: f77581f.exe File opened (read-only) \??\I: f77581f.exe File opened (read-only) \??\T: f77581f.exe File opened (read-only) \??\L: f77581f.exe File opened (read-only) \??\M: f77581f.exe File opened (read-only) \??\N: f77581f.exe File opened (read-only) \??\Q: f77581f.exe File opened (read-only) \??\R: f77581f.exe File opened (read-only) \??\G: f77581f.exe File opened (read-only) \??\K: f77581f.exe File opened (read-only) \??\O: f77581f.exe File opened (read-only) \??\P: f77581f.exe File opened (read-only) \??\S: f77581f.exe -
resource yara_rule behavioral1/memory/2660-60-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-58-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-18-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-17-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-15-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-61-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-59-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-14-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-19-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-12-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-20-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-16-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-13-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-10-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-63-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-64-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-65-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-66-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-80-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-81-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-84-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2660-154-0x0000000000680000-0x000000000173A000-memory.dmp upx behavioral1/memory/2584-166-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2584-189-0x0000000000980000-0x0000000001A3A000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f77589b f77581f.exe File opened for modification C:\Windows\SYSTEM.INI f77581f.exe File created C:\Windows\f77a821 f7759c4.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 f77581f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7759c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2660 f77581f.exe 2660 f77581f.exe 2584 f7759c4.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2660 f77581f.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.exe Token: SeDebugPrivilege 2584 f7759c4.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 f77581f.exe 19 PID 2660 wrote to memory of 1176 2660 f77581f.exe 20 PID 2660 wrote to memory of 1232 2660 f77581f.exe 21 PID 2660 wrote to memory of 872 2660 f77581f.exe 23 PID 2660 wrote to memory of 1900 2660 f77581f.exe 29 PID 2660 wrote to memory of 2168 2660 f77581f.exe 30 PID 2660 wrote to memory of 2168 2660 f77581f.exe 30 PID 2168 wrote to memory of 2584 2168 rundll32.exe 32 PID 2168 wrote to memory of 2584 2168 rundll32.exe 32 PID 2168 wrote to memory of 2584 2168 rundll32.exe 32 PID 2168 wrote to memory of 2584 2168 rundll32.exe 32 PID 2168 wrote to memory of 432 2168 rundll32.exe 33 PID 2168 wrote to memory of 432 2168 rundll32.exe 33 PID 2168 wrote to memory of 432 2168 rundll32.exe 33 PID 2168 wrote to memory of 432 2168 rundll32.exe 33 PID 2660 wrote to memory of 1116 2660 f77581f.exe 19 PID 2660 wrote to memory of 1176 2660 f77581f.exe 20 PID 2660 wrote to memory of 1232 2660 f77581f.exe 21 PID 2660 wrote to memory of 872 2660 f77581f.exe 23 PID 2660 wrote to memory of 2584 2660 f77581f.exe 32 PID 2660 wrote to memory of 2584 2660 f77581f.exe 32 PID 2660 wrote to memory of 432 2660 f77581f.exe 33 PID 2660 wrote to memory of 432 2660 f77581f.exe 33 PID 2584 wrote to memory of 1116 2584 f7759c4.exe 19 PID 2584 wrote to memory of 1176 2584 f7759c4.exe 20 PID 2584 wrote to memory of 1232 2584 f7759c4.exe 21 PID 2584 wrote to memory of 872 2584 f7759c4.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" f77581f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7759c4.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\66bf5decf8189095ead02dda0d2fbf7d6af0973eef1ffe19533ab38c3fd7b062.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\66bf5decf8189095ead02dda0d2fbf7d6af0973eef1ffe19533ab38c3fd7b062.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\f77581f.exeC:\Users\Admin\AppData\Local\Temp\f77581f.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\f7759c4.exeC:\Users\Admin\AppData\Local\Temp\f7759c4.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:2584
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C:\Users\Admin\AppData\Local\Temp\f777658.exeC:\Users\Admin\AppData\Local\Temp\f777658.exe4⤵
- Executes dropped EXE
PID:432
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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
97KB
MD57f75ebee5474f53663d89793f844a1fb
SHA147714dfd2c996551a6f626703cfe176fad734e0f
SHA256890196202cca7f472e227eb854886e123283ad13899128113564dad9a05ca7c7
SHA5123ea4b8b8412717d85b455fc7ce7eabec7c18ffbc37aa31ea01169f6fcfe42dc10cb4b5720ac1ab3afc6dd0e581a6f19b04098b28a2dc54e5c1181e09d7ccdc35
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Filesize
257B
MD51ecfa5ab816948b4d33860fa0baf80f0
SHA15a63de63c6ccb2100cc1bb8886f9833dc912d55d
SHA25606e3e6a27ef03c3367a7d8f644b917d4bd8607350c809a0ab42807e307a1e334
SHA51273d84393f350ba822754ace2dbb998ef2bfb6869a828607c4beed11dea5203b2dda97d1711e9862f977e36d8d5abab27dca402701cd006e5c487e68d21bc9dbb