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Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18/04/2024, 02:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cb3dbf77aa358ff3cc291a3fe61f6f637ff883dd98a46971af9a5080ad4152e5.dll
Resource
win7-20240221-en
windows7-x64
17 signatures
150 seconds
General
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Target
cb3dbf77aa358ff3cc291a3fe61f6f637ff883dd98a46971af9a5080ad4152e5.dll
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Size
120KB
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MD5
b27012ec736fa90fc93e6c0f2d192c63
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SHA1
cfebed27985c679b099b991b8f18fd3b8483f05b
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SHA256
cb3dbf77aa358ff3cc291a3fe61f6f637ff883dd98a46971af9a5080ad4152e5
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SHA512
8b8bb31bca9cfef8c47e19722f8e217e45bb12d78a9b0a0cb97f073decbcd9ad7f251003129f087d98934704deb2baef1ca2b8f00ac40331c176a726fd33d641
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SSDEEP
1536:HcuZf18X/OOwpQm1J5oidOyjbN4s5wk2GcobqKZrOxXPBwfMcQ2UUY3vcpVXfy5O:8uf5/B5oidv20wkSnmrOxpwfQzUk6vy
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 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f7686eb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7686eb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7686eb.exe -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 23 IoCs
resource yara_rule behavioral1/memory/2984-13-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-15-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-16-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-19-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-24-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-28-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-52-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-46-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-58-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-59-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-60-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-61-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-62-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-63-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-64-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-79-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-80-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-81-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-83-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-97-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-106-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2984-143-0x00000000006B0000-0x000000000176A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2868-150-0x0000000000A80000-0x0000000001B3A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 27 IoCs
resource yara_rule behavioral1/memory/2984-13-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-15-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-16-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-19-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-24-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-28-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2072-47-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/2984-52-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-46-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-58-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-59-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-60-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-61-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-62-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-63-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-64-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2868-78-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/2984-79-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-80-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-81-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-83-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-97-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-106-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2984-144-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/2984-143-0x00000000006B0000-0x000000000176A000-memory.dmp UPX behavioral1/memory/2868-150-0x0000000000A80000-0x0000000001B3A000-memory.dmp UPX behavioral1/memory/2868-149-0x0000000000400000-0x0000000000412000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
pid Process 2984 f7686eb.exe 2072 f768d13.exe 2868 f76a11f.exe -
Loads dropped DLL 6 IoCs
pid Process 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe -
resource yara_rule behavioral1/memory/2984-13-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-15-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-16-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-19-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-24-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-28-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-52-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-46-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-58-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-59-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-60-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-61-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-62-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-63-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-64-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-79-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-80-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-81-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-83-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-97-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-106-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2984-143-0x00000000006B0000-0x000000000176A000-memory.dmp upx behavioral1/memory/2868-150-0x0000000000A80000-0x0000000001B3A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f7686eb.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f7686eb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f7686eb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7686eb.exe -
Enumerates connected drives 3 TTPs 11 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: f7686eb.exe File opened (read-only) \??\J: f7686eb.exe File opened (read-only) \??\M: f7686eb.exe File opened (read-only) \??\N: f7686eb.exe File opened (read-only) \??\O: f7686eb.exe File opened (read-only) \??\P: f7686eb.exe File opened (read-only) \??\E: f7686eb.exe File opened (read-only) \??\G: f7686eb.exe File opened (read-only) \??\I: f7686eb.exe File opened (read-only) \??\K: f7686eb.exe File opened (read-only) \??\L: f7686eb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\f768891 f7686eb.exe File opened for modification C:\Windows\SYSTEM.INI f7686eb.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2984 f7686eb.exe 2984 f7686eb.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe Token: SeDebugPrivilege 2984 f7686eb.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2772 wrote to memory of 2272 2772 rundll32.exe 28 PID 2272 wrote to memory of 2984 2272 rundll32.exe 29 PID 2272 wrote to memory of 2984 2272 rundll32.exe 29 PID 2272 wrote to memory of 2984 2272 rundll32.exe 29 PID 2272 wrote to memory of 2984 2272 rundll32.exe 29 PID 2984 wrote to memory of 1092 2984 f7686eb.exe 19 PID 2984 wrote to memory of 1168 2984 f7686eb.exe 20 PID 2984 wrote to memory of 1200 2984 f7686eb.exe 21 PID 2984 wrote to memory of 1320 2984 f7686eb.exe 23 PID 2984 wrote to memory of 2772 2984 f7686eb.exe 27 PID 2984 wrote to memory of 2272 2984 f7686eb.exe 28 PID 2984 wrote to memory of 2272 2984 f7686eb.exe 28 PID 2272 wrote to memory of 2072 2272 rundll32.exe 30 PID 2272 wrote to memory of 2072 2272 rundll32.exe 30 PID 2272 wrote to memory of 2072 2272 rundll32.exe 30 PID 2272 wrote to memory of 2072 2272 rundll32.exe 30 PID 2272 wrote to memory of 2868 2272 rundll32.exe 31 PID 2272 wrote to memory of 2868 2272 rundll32.exe 31 PID 2272 wrote to memory of 2868 2272 rundll32.exe 31 PID 2272 wrote to memory of 2868 2272 rundll32.exe 31 PID 2984 wrote to memory of 1092 2984 f7686eb.exe 19 PID 2984 wrote to memory of 1168 2984 f7686eb.exe 20 PID 2984 wrote to memory of 1200 2984 f7686eb.exe 21 PID 2984 wrote to memory of 2072 2984 f7686eb.exe 30 PID 2984 wrote to memory of 2072 2984 f7686eb.exe 30 PID 2984 wrote to memory of 2868 2984 f7686eb.exe 31 PID 2984 wrote to memory of 2868 2984 f7686eb.exe 31 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f7686eb.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1092
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1168
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cb3dbf77aa358ff3cc291a3fe61f6f637ff883dd98a46971af9a5080ad4152e5.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cb3dbf77aa358ff3cc291a3fe61f6f637ff883dd98a46971af9a5080ad4152e5.dll,#13⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Users\Admin\AppData\Local\Temp\f7686eb.exeC:\Users\Admin\AppData\Local\Temp\f7686eb.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:2984
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C:\Users\Admin\AppData\Local\Temp\f768d13.exeC:\Users\Admin\AppData\Local\Temp\f768d13.exe4⤵
- Executes dropped EXE
PID:2072
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C:\Users\Admin\AppData\Local\Temp\f76a11f.exeC:\Users\Admin\AppData\Local\Temp\f76a11f.exe4⤵
- Executes dropped EXE
PID:2868
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1320
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
5Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
97KB
MD589b54e407fda0baa9707c8745ea9b45a
SHA15ab37cdfd4b81cc23bc7451de44f0489a0e1e552
SHA256fe2a57f8f63deb51c48c345355f36a0ada3ae7b16fbedef19d2d9fa0248b9777
SHA51221817d154528e997660d782d6bc23096b8053bec58eafd066e83ef37bfa0a9ac9f1822103347cf03f481df57fa5315a817127758dbe2b3edf702ed4a47377d39