Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 23:12
Behavioral task
behavioral1
Sample
592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe
- Size 2.5MB
- Sample260422-27bcdsdy2w
- SHA256 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7
- MD5 6f5769792c58e4e87e79725048e9c8ca
- SHA1 13856882896adbf928cd3272a67f5de6bdbf7893
- SHA512 f1365e112044cf6a00f2198d09b415c4543e5955c65c077258870d7b2bf7b1c6f98736e0cc84b5ecb1c6188da6f01f60ca46740b9b2aeb0576ecdb07efd801c8
- SSDEEP 49152:zHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:znKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1ABC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2500 d8ec1a45 - 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 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Destination IP 2 223.5.5.5 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Destination IP 11 114.114.114.114 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Destination IP 12 223.5.5.5 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8ec1a45 File created C:\Windows\SysWOW64\d8ec1a45 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d8ec1a45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C d8ec1a45 -
resource yara_rule behavioral2/memory/2400-0-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral2/files/0x000c00000002ad99-2.dat upx behavioral2/memory/2500-4-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/2400-15-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral2/memory/2500-16-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/2500-32-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2acd08 d8ec1a45 File opened for modification C:\Windows\2916c0 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.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 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8ec1a45 - 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:" d8ec1a45 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d8ec1a45 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d8ec1a45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d8ec1a45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d8ec1a45 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d8ec1a45 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d8ec1a45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d8ec1a45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d8ec1a45 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2500 d8ec1a45 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Token: SeTcbPrivilege 2400 592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe Token: SeDebugPrivilege 2500 d8ec1a45 Token: SeTcbPrivilege 2500 d8ec1a45
Processes
-
C:\Users\Admin\AppData\Local\Temp\592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.exe"C:\Users\Admin\AppData\Local\Temp\592b0a63de32ddbe3be1682fbeaa6cc1f2518bb5115431138d654e47c7849df7.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:2400
-
C:\Windows\Syswow64\d8ec1a45C:\Windows\Syswow64\d8ec1a451⤵
- 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:2500
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d8ec1a45
- Size 2.5MB
- SHA256 7494c31b1389d6788bc251fc14cf01f0cffd2ef559593726775e760a77bfde12
- MD5 10f3068896c22c7c78d41dc0b2273654
- SHA1 60be06d041626f7a30a572b994e293ff4913cb7f
- SHA512 46464d2d2e1becb7566ee2aedd5281f8f30ece70ee5ea2e7ee63a2ddc56afdcd915e5683d2756278e77f6dd50e5745405bbbb2868e01f83dd3811adb4acd259f
- SSDEEP 49152:yHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:ynKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T156C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH