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Analysis
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max time kernel
33s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 11:34
Static task
static1
Behavioral task
behavioral1
Sample
f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe
Resource
win7-20220812-en
General
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Target
f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe
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Size
120KB
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MD5
9035c69432fba78fc2fb4fb7d82ddbac
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SHA1
60cdd4f97baabadca01b8b57d6e96d8b8d696749
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SHA256
f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207
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SHA512
4a54299deceb571e66bc60e703bb870060e80bf93ac72f2649549289e0a52bc7b5f0e7c64e2359adbce973a40962277be89154e8d4e9a68defeda13507d84a5f
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SSDEEP
3072:ZXYeltenNMj5hlDEGUxLLFgCcUSgWKYfT:ZXY1U5hZSdLF1GR
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
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
http://klkjwre77638dfqwieuoi888.info/
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" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral1/memory/2036-55-0x0000000001CE0000-0x0000000002D6E000-memory.dmp upx behavioral1/memory/2036-57-0x0000000001CE0000-0x0000000002D6E000-memory.dmp upx behavioral1/memory/2036-59-0x0000000001CE0000-0x0000000002D6E000-memory.dmp upx -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe Token: SeDebugPrivilege 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1148 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe 11 PID 2036 wrote to memory of 1224 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe 8 PID 2036 wrote to memory of 1260 2036 f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe 7 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1260
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C:\Users\Admin\AppData\Local\Temp\f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe"C:\Users\Admin\AppData\Local\Temp\f54e8558a731d87ef510837d33beded49ca980eeb613500363b077a1b96fa207.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- 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:2036
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1224
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1148