Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
06/05/2026, 09:20
Behavioral task
behavioral1
Sample
dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe
- Size 1.7MB
- Sample260506-lavf1aev81
- SHA256 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438
- MD5 5b5bc5b5a9d87c03aa33a5cf1207f80b
- SHA1 14e3d828570cbd88b262691d5d7f54d4e9cc804e
- SHA512 5a2247192c329a59ed71f8ec764fb39a912d71dca29a9eecbcbe45b85c4fef8dda397023dc1e0e5afd5035a57a7edd5920329042f014ea23d4bbd5934c79ea33
- SSDEEP 24576:MvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:MHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T143858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2472 813778cc - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 33 114.114.114.114 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Destination IP 34 223.5.5.5 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Destination IP 4 114.114.114.114 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Destination IP 7 223.5.5.5 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 813778cc File created C:\Windows\SysWOW64\813778cc dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 813778cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 813778cc -
resource yara_rule behavioral1/memory/5480-0-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral1/files/0x0005000000021714-2.dat upx behavioral1/memory/2472-3-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral1/memory/5480-10-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral1/memory/2472-11-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral1/memory/2472-24-0x0000000000830000-0x00000000008BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a5250 813778cc File opened for modification C:\Windows\5dd1d0 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 813778cc - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 813778cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 813778cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 813778cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 813778cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 813778cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 813778cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 813778cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 813778cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 813778cc - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 813778cc Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 813778cc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2472 813778cc 2472 813778cc 2472 813778cc 2472 813778cc 2472 813778cc 2472 813778cc 2472 813778cc 2472 813778cc 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Token: SeTcbPrivilege 5480 dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe Token: SeDebugPrivilege 2472 813778cc Token: SeTcbPrivilege 2472 813778cc
Processes
-
C:\Users\Admin\AppData\Local\Temp\dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe"C:\Users\Admin\AppData\Local\Temp\dcb8bcbdcc57bb3f18457c93d6da62c37d3cb305701de320ac6d4c22abcf4438.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5480
-
C:\Windows\Syswow64\813778ccC:\Windows\Syswow64\813778cc1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\813778cc
- Size 1.7MB
- SHA256 26953075b393d9fd99b45f20e51922ac726af51ec9446e3d1447f635d558ac38
- MD5 35d37ca3b7e4641cd1fc7c88090b9077
- SHA1 6cad1b0d0c7644f73e52ad7adb0cb8c6bb717f21
- SHA512 88f734e1d687767d065c87c49840f3957164653dc1345ddec55723442b7f7ab7fa8858217aa520f3a18b518e34284671a18bdd0a3fa0af74b86e1268e1a577a9
- SSDEEP 24576:yvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:yHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T19E858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH