Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4556 1dd171fb - 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 3 114.114.114.114 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 4 223.5.5.5 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 66 114.114.114.114 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Destination IP 67 223.5.5.5 5104 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 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1dd171fb File created C:\Windows\SysWOW64\1dd171fb 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1dd171fb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1dd171fb -
resource yara_rule behavioral1/memory/5104-0-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral1/files/0x0014000000023285-2.dat upx behavioral1/memory/4556-3-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral1/memory/5104-12-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral1/memory/4556-13-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral1/memory/4556-28-0x0000000000730000-0x00000000007BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e0018 1dd171fb File opened for modification C:\Windows\5761e0 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 1dd171fb - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1dd171fb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1dd171fb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1dd171fb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1dd171fb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1dd171fb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1dd171fb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1dd171fb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1dd171fb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1dd171fb - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 4556 1dd171fb 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Token: SeTcbPrivilege 5104 474421d4ad038682217a2b93c4660807b3cb62b9945afa0ad7d83d0ba1cc3060.exe Token: SeDebugPrivilege 4556 1dd171fb Token: SeTcbPrivilege 4556 1dd171fb
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:5104
-
C:\Windows\Syswow64\1dd171fbC:\Windows\Syswow64\1dd171fb1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1dd171fb
- Size 640KB
- SHA256 924ae0348fb675255f08caaeb691512ccba88b8c704b2ca36e7ff1ad5bb7bcea
- MD5 a3ea312490bacec008590071c13c12e7
- SHA1 1524bd26aadb6c42ae99d412363981dce4bba962
- SHA512 80f508339d725e5203583a10a0f647bcc4ca67b856a1628d6e2d606f2f751fc3a715f9b295ed578bafd9f67cd3a8044ba872c48c3eb416a63242c443cf76dc48
- SSDEEP 6144:tcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:tSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1C5D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH