Analysis
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max time kernel
180s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
26-06-2022 01:14
Static task
static1
Behavioral task
behavioral1
Sample
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe
Resource
win10v2004-20220414-en
General
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Target
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe
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Size
4.4MB
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MD5
ca238d5c3cad35c97523fb5be080c6a3
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SHA1
431830885ee07ff89943a8e85cc14fb8c6ffdd04
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SHA256
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c
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SHA512
971bd77541ce675bd8f3f61720dda8a5f5be71b8b90cd07bd46723f2fa71c22ee30bd07f55e11a2d83e87a0071182be8ccba6178c9cb3a9f6d45eace371693d5
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba Payload 9 IoCs
Processes:
resource yara_rule behavioral2/memory/4668-131-0x0000000002FB0000-0x00000000038BA000-memory.dmp family_glupteba behavioral2/memory/4668-132-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/4668-133-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/4668-135-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/4788-137-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/4788-138-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/4788-144-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/1384-146-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba behavioral2/memory/1384-147-0x0000000000400000-0x0000000000D24000-memory.dmp family_glupteba -
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
Processes:
svchost.exedescription pid process target process PID 4832 created 4668 4832 svchost.exe 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe PID 4832 created 1384 4832 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 1384 csrss.exe 5012 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MistySunset = "\"C:\\Windows\\rss\\csrss.exe\"" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 2 IoCs
Processes:
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exedescription ioc process File opened for modification C:\Windows\rss 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe File created C:\Windows\rss\csrss.exe 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.execsrss.exeinjector.exepid process 4668 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe 4668 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe 1384 csrss.exe 1384 csrss.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe 5012 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exesvchost.exe36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.execsrss.exedescription pid process Token: SeDebugPrivilege 4668 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Token: SeImpersonatePrivilege 4668 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Token: SeTcbPrivilege 4832 svchost.exe Token: SeTcbPrivilege 4832 svchost.exe Token: SeSystemEnvironmentPrivilege 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe Token: SeBackupPrivilege 4832 svchost.exe Token: SeRestorePrivilege 4832 svchost.exe Token: SeBackupPrivilege 4832 svchost.exe Token: SeRestorePrivilege 4832 svchost.exe Token: SeSystemEnvironmentPrivilege 1384 csrss.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
svchost.exe36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.execmd.execsrss.exedescription pid process target process PID 4832 wrote to memory of 4788 4832 svchost.exe 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe PID 4832 wrote to memory of 4788 4832 svchost.exe 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe PID 4832 wrote to memory of 4788 4832 svchost.exe 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe PID 4788 wrote to memory of 2656 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe cmd.exe PID 4788 wrote to memory of 2656 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe cmd.exe PID 2656 wrote to memory of 552 2656 cmd.exe netsh.exe PID 2656 wrote to memory of 552 2656 cmd.exe netsh.exe PID 4788 wrote to memory of 1384 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe csrss.exe PID 4788 wrote to memory of 1384 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe csrss.exe PID 4788 wrote to memory of 1384 4788 36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe csrss.exe PID 4832 wrote to memory of 2344 4832 svchost.exe schtasks.exe PID 4832 wrote to memory of 2344 4832 svchost.exe schtasks.exe PID 1384 wrote to memory of 5012 1384 csrss.exe injector.exe PID 1384 wrote to memory of 5012 1384 csrss.exe injector.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe"C:\Users\Admin\AppData\Local\Temp\36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe"C:\Users\Admin\AppData\Local\Temp\36dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.4MB
MD5ca238d5c3cad35c97523fb5be080c6a3
SHA1431830885ee07ff89943a8e85cc14fb8c6ffdd04
SHA25636dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c
SHA512971bd77541ce675bd8f3f61720dda8a5f5be71b8b90cd07bd46723f2fa71c22ee30bd07f55e11a2d83e87a0071182be8ccba6178c9cb3a9f6d45eace371693d5
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C:\Windows\rss\csrss.exeFilesize
4.4MB
MD5ca238d5c3cad35c97523fb5be080c6a3
SHA1431830885ee07ff89943a8e85cc14fb8c6ffdd04
SHA25636dc15aa6901f38cd68678b2c45459bb82d9cb7965dd36a63315eab2f907130c
SHA512971bd77541ce675bd8f3f61720dda8a5f5be71b8b90cd07bd46723f2fa71c22ee30bd07f55e11a2d83e87a0071182be8ccba6178c9cb3a9f6d45eace371693d5
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memory/552-140-0x0000000000000000-mapping.dmp
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memory/1384-145-0x0000000003000000-0x0000000003431000-memory.dmpFilesize
4.2MB
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memory/1384-141-0x0000000000000000-mapping.dmp
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memory/1384-147-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/1384-146-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/2344-148-0x0000000000000000-mapping.dmp
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memory/2656-139-0x0000000000000000-mapping.dmp
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memory/4668-135-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/4668-133-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/4668-130-0x0000000002B73000-0x0000000002FA4000-memory.dmpFilesize
4.2MB
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memory/4668-132-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/4668-131-0x0000000002FB0000-0x00000000038BA000-memory.dmpFilesize
9.0MB
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memory/4788-134-0x0000000000000000-mapping.dmp
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memory/4788-144-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/4788-136-0x0000000002A00000-0x0000000002E31000-memory.dmpFilesize
4.2MB
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memory/4788-138-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/4788-137-0x0000000000400000-0x0000000000D24000-memory.dmpFilesize
9.1MB
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memory/5012-149-0x0000000000000000-mapping.dmp