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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
22/07/2024, 02:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
44cd8dc2bfa6b608b24637c18c581c20N.dll
Resource
win7-20240705-en
windows7-x64
15 signatures
120 seconds
General
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Target
44cd8dc2bfa6b608b24637c18c581c20N.dll
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Size
120KB
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MD5
44cd8dc2bfa6b608b24637c18c581c20
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SHA1
ffbb5ffb69962618b6cd1d57093e93ce251a901d
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SHA256
8d78476799105b622465898f736a6763d4538a69698417dc04765ff392321a3b
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SHA512
2bf2e292cbd1c963b733fe80f886eac194eea0a351446e1743c198cf53dbfefe3c58d6fb2445277a012a061e49051012e625094690c2319970e538f4f3a99197
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SSDEEP
3072:nApnTT9zlob9xensewyvnU02bY5ubAm3Oks:nApTTdl4ensewyvnU0r53m3Oks
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" f775004.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f775004.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f77515b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f77515b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f77515b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77515b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77515b.exe -
Executes dropped EXE 3 IoCs
pid Process 2668 f775004.exe 2600 f77515b.exe 2116 f776bdd.exe -
Loads dropped DLL 6 IoCs
pid Process 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe -
resource yara_rule behavioral1/memory/2668-14-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-16-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-18-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-13-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-19-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-21-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-20-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-17-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-38-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-15-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-61-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-60-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-62-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-64-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-63-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-66-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-67-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-80-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-82-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-85-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-104-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2668-150-0x0000000000520000-0x00000000015DA000-memory.dmp upx behavioral1/memory/2600-186-0x0000000000920000-0x00000000019DA000-memory.dmp upx behavioral1/memory/2600-162-0x0000000000920000-0x00000000019DA000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77515b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f775004.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77515b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77515b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f775004.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) \??\G: f775004.exe File opened (read-only) \??\R: f775004.exe File opened (read-only) \??\H: f775004.exe File opened (read-only) \??\Q: f775004.exe File opened (read-only) \??\T: f775004.exe File opened (read-only) \??\E: f775004.exe File opened (read-only) \??\I: f775004.exe File opened (read-only) \??\J: f775004.exe File opened (read-only) \??\N: f775004.exe File opened (read-only) \??\O: f775004.exe File opened (read-only) \??\P: f775004.exe File opened (read-only) \??\S: f775004.exe File opened (read-only) \??\K: f775004.exe File opened (read-only) \??\L: f775004.exe File opened (read-only) \??\M: f775004.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f775042 f775004.exe File opened for modification C:\Windows\SYSTEM.INI f775004.exe File created C:\Windows\f779fe7 f77515b.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2668 f775004.exe 2668 f775004.exe 2600 f77515b.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2668 f775004.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe Token: SeDebugPrivilege 2600 f77515b.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1296 wrote to memory of 1868 1296 rundll32.exe 30 PID 1868 wrote to memory of 2668 1868 rundll32.exe 31 PID 1868 wrote to memory of 2668 1868 rundll32.exe 31 PID 1868 wrote to memory of 2668 1868 rundll32.exe 31 PID 1868 wrote to memory of 2668 1868 rundll32.exe 31 PID 2668 wrote to memory of 1128 2668 f775004.exe 19 PID 2668 wrote to memory of 1200 2668 f775004.exe 20 PID 2668 wrote to memory of 1240 2668 f775004.exe 21 PID 2668 wrote to memory of 1356 2668 f775004.exe 23 PID 2668 wrote to memory of 1296 2668 f775004.exe 29 PID 2668 wrote to memory of 1868 2668 f775004.exe 30 PID 2668 wrote to memory of 1868 2668 f775004.exe 30 PID 1868 wrote to memory of 2600 1868 rundll32.exe 32 PID 1868 wrote to memory of 2600 1868 rundll32.exe 32 PID 1868 wrote to memory of 2600 1868 rundll32.exe 32 PID 1868 wrote to memory of 2600 1868 rundll32.exe 32 PID 1868 wrote to memory of 2116 1868 rundll32.exe 33 PID 1868 wrote to memory of 2116 1868 rundll32.exe 33 PID 1868 wrote to memory of 2116 1868 rundll32.exe 33 PID 1868 wrote to memory of 2116 1868 rundll32.exe 33 PID 2668 wrote to memory of 1128 2668 f775004.exe 19 PID 2668 wrote to memory of 1200 2668 f775004.exe 20 PID 2668 wrote to memory of 1240 2668 f775004.exe 21 PID 2668 wrote to memory of 1356 2668 f775004.exe 23 PID 2668 wrote to memory of 2600 2668 f775004.exe 32 PID 2668 wrote to memory of 2600 2668 f775004.exe 32 PID 2668 wrote to memory of 2116 2668 f775004.exe 33 PID 2668 wrote to memory of 2116 2668 f775004.exe 33 PID 2600 wrote to memory of 1128 2600 f77515b.exe 19 PID 2600 wrote to memory of 1200 2600 f77515b.exe 20 PID 2600 wrote to memory of 1240 2600 f77515b.exe 21 PID 2600 wrote to memory of 1356 2600 f77515b.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" f775004.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77515b.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1128
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1200
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1240
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\44cd8dc2bfa6b608b24637c18c581c20N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\44cd8dc2bfa6b608b24637c18c581c20N.dll,#13⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Users\Admin\AppData\Local\Temp\f775004.exeC:\Users\Admin\AppData\Local\Temp\f775004.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2668
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C:\Users\Admin\AppData\Local\Temp\f77515b.exeC:\Users\Admin\AppData\Local\Temp\f77515b.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2600
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C:\Users\Admin\AppData\Local\Temp\f776bdd.exeC:\Users\Admin\AppData\Local\Temp\f776bdd.exe4⤵
- Executes dropped EXE
PID:2116
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1356
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
MD55e4f781a8a5f4e67c3eaf6ed9b655ef7
SHA1069af5eebb893f10354b862677f2870259f7f34e
SHA256aa8039ea26af58a64dbc5ce83473c552eaac43c2a4b2b6028fb20a6dec6a3470
SHA5124d0eed1d28c1e04139c6cb07f5307bb2fa66c803863a0b91a44bd40d898ea60fa5d7375b0577d7f3dcc2a6a5e51fae24e33cff9a2cf9b6dfe0e35a6ed2770fd2
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Filesize
97KB
MD5731e5521d95f6c5f64ff01f17ba06395
SHA19654f0044c8561f09f1dcdeed2f961005c6c6405
SHA25635904da8244e21955a9d9dbb7402133c1743eb0043f5026dfd6d1cc3ca8028a6
SHA512264ac14e4e7f5ae97d3c2ee0f43430eaadce35b308c594378a8d335e969a350f35a3bc8caf1607b9e89b2c24aa43b835441e8a00bfa64fd52176ab347f6c31d0