Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 17:12
Static task
static1
Behavioral task
behavioral1
Sample
035cfcf0b17ae7fd0e83f40b5086ebdcb93e54f0b9cdc0a14cc8cba16851a64e.dll
Resource
win7-20240221-en
General
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Target
035cfcf0b17ae7fd0e83f40b5086ebdcb93e54f0b9cdc0a14cc8cba16851a64e.dll
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Size
120KB
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MD5
fe874efb6df7b1c2e86b2d3b40ea9559
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SHA1
b7767631bd1d0b7fa8635b1b3723ea7fc7966d41
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SHA256
035cfcf0b17ae7fd0e83f40b5086ebdcb93e54f0b9cdc0a14cc8cba16851a64e
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SHA512
799915b2b11b5397d1614a43e170e0a3f7d493adead0a7cc83c018486c5fe5ce1d8c3959eba0751e56f7554a61e8eee1fb7747fc7164b932e1987b67ebcafd96
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SSDEEP
1536:CiZZYOE2Q0WVBx1pBrzkZ06/4mWFF6EpnNVpEQkHSQz+3YHfPJcTTz:CiIOEp3/kZ06AmWFF68NVpVqi3afiT
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 2 TTPs 3 IoCs
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f761f53.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f761f53.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f761f53.exe -
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f761f53.exe -
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f761f53.exe -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
Processes:
resource yara_rule behavioral1/memory/1992-14-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-16-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-17-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-18-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-20-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-24-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-22-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-26-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-28-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-30-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-44-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-40-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-57-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-70-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-76-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-83-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-84-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-85-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-87-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-89-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-91-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-93-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-95-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/1992-97-0x00000000005F0000-0x00000000016AA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 30 IoCs
Processes:
resource yara_rule behavioral1/memory/1992-11-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/1992-14-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-16-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-17-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-18-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-20-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-24-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-22-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-26-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-28-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-30-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-44-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/2472-54-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/1992-40-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-57-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-70-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-76-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/2488-73-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/1992-83-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-84-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-85-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-87-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-89-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-91-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-93-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-95-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-97-0x00000000005F0000-0x00000000016AA000-memory.dmp UPX behavioral1/memory/1992-115-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/2472-116-0x0000000000400000-0x0000000000412000-memory.dmp UPX behavioral1/memory/2488-117-0x0000000000400000-0x0000000000412000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
Processes:
f761f53.exef763505.exef763cc2.exepid process 1992 f761f53.exe 2472 f763505.exe 2488 f763cc2.exe -
Loads dropped DLL 6 IoCs
Processes:
rundll32.exepid process 1696 rundll32.exe 1696 rundll32.exe 1696 rundll32.exe 1696 rundll32.exe 1696 rundll32.exe 1696 rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/1992-14-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-16-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-17-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-18-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-20-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-24-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-22-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-26-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-28-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-30-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-44-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-40-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-57-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-70-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-76-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-83-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-84-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-85-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-87-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-89-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-91-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-93-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-95-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/1992-97-0x00000000005F0000-0x00000000016AA000-memory.dmp upx -
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f761f53.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f761f53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f761f53.exe -
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f761f53.exe -
Enumerates connected drives 3 TTPs 8 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
f761f53.exedescription ioc process File opened (read-only) \??\J: f761f53.exe File opened (read-only) \??\K: f761f53.exe File opened (read-only) \??\L: f761f53.exe File opened (read-only) \??\M: f761f53.exe File opened (read-only) \??\E: f761f53.exe File opened (read-only) \??\G: f761f53.exe File opened (read-only) \??\H: f761f53.exe File opened (read-only) \??\I: f761f53.exe -
Drops file in Windows directory 2 IoCs
Processes:
f761f53.exedescription ioc process File created C:\Windows\f7620aa f761f53.exe File opened for modification C:\Windows\SYSTEM.INI f761f53.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
f761f53.exepid process 1992 f761f53.exe -
Suspicious use of AdjustPrivilegeToken 20 IoCs
Processes:
f761f53.exedescription pid process Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe Token: SeDebugPrivilege 1992 f761f53.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
rundll32.exerundll32.exef761f53.exedescription pid process target process PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1696 1652 rundll32.exe rundll32.exe PID 1696 wrote to memory of 1992 1696 rundll32.exe f761f53.exe PID 1696 wrote to memory of 1992 1696 rundll32.exe f761f53.exe PID 1696 wrote to memory of 1992 1696 rundll32.exe f761f53.exe PID 1696 wrote to memory of 1992 1696 rundll32.exe f761f53.exe PID 1992 wrote to memory of 1092 1992 f761f53.exe taskhost.exe PID 1992 wrote to memory of 1164 1992 f761f53.exe Dwm.exe PID 1992 wrote to memory of 1192 1992 f761f53.exe Explorer.EXE PID 1992 wrote to memory of 1932 1992 f761f53.exe DllHost.exe PID 1992 wrote to memory of 1652 1992 f761f53.exe rundll32.exe PID 1992 wrote to memory of 1696 1992 f761f53.exe rundll32.exe PID 1696 wrote to memory of 2472 1696 rundll32.exe f763505.exe PID 1696 wrote to memory of 2472 1696 rundll32.exe f763505.exe PID 1696 wrote to memory of 2472 1696 rundll32.exe f763505.exe PID 1696 wrote to memory of 2472 1696 rundll32.exe f763505.exe PID 1992 wrote to memory of 1696 1992 f761f53.exe rundll32.exe PID 1696 wrote to memory of 2488 1696 rundll32.exe f763cc2.exe PID 1696 wrote to memory of 2488 1696 rundll32.exe f763cc2.exe PID 1696 wrote to memory of 2488 1696 rundll32.exe f763cc2.exe PID 1696 wrote to memory of 2488 1696 rundll32.exe f763cc2.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
f761f53.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f761f53.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:1164
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1192
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\035cfcf0b17ae7fd0e83f40b5086ebdcb93e54f0b9cdc0a14cc8cba16851a64e.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\035cfcf0b17ae7fd0e83f40b5086ebdcb93e54f0b9cdc0a14cc8cba16851a64e.dll,#13⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Users\Admin\AppData\Local\Temp\f761f53.exeC:\Users\Admin\AppData\Local\Temp\f761f53.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:1992
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C:\Users\Admin\AppData\Local\Temp\f763505.exeC:\Users\Admin\AppData\Local\Temp\f763505.exe4⤵
- Executes dropped EXE
PID:2472
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C:\Users\Admin\AppData\Local\Temp\f763cc2.exeC:\Users\Admin\AppData\Local\Temp\f763cc2.exe4⤵
- Executes dropped EXE
PID:2488
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1932
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
MD59155964c47d877dd7b27aa93ee9ced66
SHA1ecc5091d9b48e78a221970e6c90d768e79de1418
SHA25627dc32f66bb2c30e49de94a25327de2fa919ebaf2e63c8a7736f6c32f8f94179
SHA512aedd7e8f9cb10aafdb36534bb85f68b4ab40cdc6b0b78c2a429c3befdedf49a562bc5dfd7125ca171c0c334f7f3b73ae48c4c66e0c4b7fc009e2b7f1a9f71bb1