Analysis
- max time kernel
150s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 14:21
Behavioral task
behavioral1
Sample
474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe
- Size 640KB
- Sample260527-rn3meshx7w
- SHA256 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060
- MD5 20849867896b01b4f08e882c2ae01ec0
- SHA1 769bcb479e018d300f6142cefa8e02bd06211756
- SHA512 8ebf6fcede0320ca1fe8a67fa05a3c3591b1448af3fac0dc8619ca7b13564f2ce1b831330c0266b936689b923b4479af42cb77ae695044add5a0ce6a6f693684
- SSDEEP 6144:wcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:wSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1E6D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4360 3c77e339 - 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 1 114.114.114.114 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 2 223.5.5.5 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 8 114.114.114.114 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 9 223.5.5.5 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3c77e339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3c77e339 File created C:\Windows\SysWOW64\3c77e339 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe -
resource yara_rule behavioral2/memory/2128-0-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/files/0x001d00000002b1c0-2.dat upx behavioral2/memory/4360-4-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/memory/2128-10-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/memory/4360-11-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/memory/4360-32-0x0000000000130000-0x00000000001BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4aa510 3c77e339 File opened for modification C:\Windows\246ea0 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.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 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c77e339 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3c77e339 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3c77e339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3c77e339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3c77e339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3c77e339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3c77e339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3c77e339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3c77e339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3c77e339 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 3c77e339 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 3c77e339 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4360 3c77e339 4360 3c77e339 4360 3c77e339 4360 3c77e339 4360 3c77e339 4360 3c77e339 4360 3c77e339 4360 3c77e339 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Token: SeTcbPrivilege 2128 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Token: SeDebugPrivilege 4360 3c77e339 Token: SeTcbPrivilege 4360 3c77e339
Processes
-
C:\Users\Admin\AppData\Local\Temp\474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe"C:\Users\Admin\AppData\Local\Temp\474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.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:2128
-
C:\Windows\Syswow64\3c77e339C:\Windows\Syswow64\3c77e3391⤵
- 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:4360
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3c77e339
- Size 640KB
- SHA256 5bc933231f9d6dd24207ab81da77195aeb0fb18845e3c2048890e0f7f0ac1541
- MD5 8aa32521485d3db1da5329e995229bbe
- SHA1 0e59bd03d4ddca690a9b2bad537d875e7b26c3a6
- SHA512 672ac49016a918a6812ef27158f37d8975f814ee5992417880aa76b657d05e4adbfdd836225327818cd2e11eb1ce520eae30af97aafc7a4587c2db9fd2a78828
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:PSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1D4D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH