Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/04/2026, 22:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe
- Size 1.6MB
- Sample260417-185ryscy2v
- SHA256 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303
- MD5 1dc8ea76beb5663245d7669b71a59220
- SHA1 492063bac230f5f5daf22f2dc93880c3c66e9255
- SHA512 8c1e9329ce8f1070b61fcdd70a121b049f8a43a4ff93a0188e0af51c4e087fb9bd10791d255e9c51eb8c5089f9a1c0d9a5282b23c2b08769bfedf51e7c16a375
- SSDEEP 24576:JvO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+84FqoBsqMwLooSHazBvKRC:JHHKO29Qm5QZuTtS0rQM4PSxSFlv+a
- TLSH T17E759E22E341C072D567117146BA0B7EA938BE62077495C7E3D4FD752F722E2AA3630E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4412 81cb4f08 - 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 38 223.5.5.5 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Destination IP 3 114.114.114.114 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Destination IP 4 223.5.5.5 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Destination IP 37 114.114.114.114 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 81cb4f08 File created C:\Windows\SysWOW64\81cb4f08 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81cb4f08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81cb4f08 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b88f8 81cb4f08 File opened for modification C:\Windows\36da88 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.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 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81cb4f08 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 81cb4f08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81cb4f08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81cb4f08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81cb4f08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 81cb4f08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 81cb4f08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81cb4f08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81cb4f08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81cb4f08 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 4412 81cb4f08 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Token: SeTcbPrivilege 3204 c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe Token: SeDebugPrivilege 4412 81cb4f08 Token: SeTcbPrivilege 4412 81cb4f08
Processes
-
C:\Users\Admin\AppData\Local\Temp\c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.exe"C:\Users\Admin\AppData\Local\Temp\c44c254d19e8685b33934b70fc4848c3feddb621366ae2127275917e877d5303.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:3204
-
C:\Windows\Syswow64\81cb4f08C:\Windows\Syswow64\81cb4f081⤵
- 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:4412
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81cb4f08
- Size 1.6MB
- SHA256 9e8ddf6986e1bbff6119da716357160f2c54e47ceee7759fef3d190db7e49ed9
- MD5 6d1d756d70696f54734420684eaf51a4
- SHA1 7a82133e7420c790f58ed1fe6d5c62dcba259183
- SHA512 ca6696a63f899ce6ee2285f3ae13c836c77519fef2b646fbfc9a2239267d3e0a5a56399ca6ae4fef1f9863f9745491bb2810dd64886efcd487ad3410953441ca
- SSDEEP 24576:avO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+84FqoBsqMwLooSHazBvKRC:aHHKO29Qm5QZuTtS0rQM4PSxSFlv+a
- TLSH T163759E22E341C072D567117146BA0B7EA938BE62077495C7E3D4FD752F722E2AA3630E
- MD5 SHA1 SHA512 SSDEEP TLSH