Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 18:44
Behavioral task
behavioral1
Sample
27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe
- Size 761KB
- Sample260423-xdz2faew5j
- SHA256 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e
- MD5 efcb021bf218e56b30a58ee0476d37ba
- SHA1 5aa45c5d9f4fffd4f7db7de012f35284c0e5c958
- SHA512 07e8934354adb8340ceed8f51d433203b1a1e8e6940b25bbc96cbad01c5fff885084e5f57ba7ab66aaebcc0793cc3ad77e65d8037443141e284af4521f10607b
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:mvO2xJKRw2kOkxSkW298B
- TLSH T162F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2400 2253c922 - 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 12 223.5.5.5 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Destination IP 1 114.114.114.114 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Destination IP 2 223.5.5.5 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Destination IP 11 114.114.114.114 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2253c922 File created C:\Windows\SysWOW64\2253c922 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2253c922 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2253c922 -
resource yara_rule behavioral2/memory/1076-0-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/files/0x001200000002ad8a-2.dat upx behavioral2/memory/2400-3-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/1076-18-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/2400-21-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/2400-42-0x00000000000D0000-0x000000000015C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2916c0 2253c922 File opened for modification C:\Windows\126be8 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.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 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2253c922 - 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\Content\CachePrefix 2253c922 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2253c922 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2253c922 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2253c922 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2253c922 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2253c922 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2253c922 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2253c922 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2253c922 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2400 2253c922 2400 2253c922 2400 2253c922 2400 2253c922 2400 2253c922 2400 2253c922 2400 2253c922 2400 2253c922 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Token: SeTcbPrivilege 1076 27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe Token: SeDebugPrivilege 2400 2253c922 Token: SeTcbPrivilege 2400 2253c922
Processes
-
C:\Users\Admin\AppData\Local\Temp\27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.exe"C:\Users\Admin\AppData\Local\Temp\27fe0f185f0f0ef2073f7dc3e112b1117afee639dc891ee68c57c34e80ab266e.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:1076
-
C:\Windows\Syswow64\2253c922C:\Windows\Syswow64\2253c9221⤵
- 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:2400
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2253c922
- Size 761KB
- SHA256 2e73167dfde029491fa03504f826f512a61d5e66d2e35470082c3676b38de0f7
- MD5 bc93c7979e8e4c521e4cc590b710ffc2
- SHA1 db619e57307c735f57c3390c70c5deaef7f73728
- SHA512 cd4fe4c6e43d50eb6dd276d31dca17da9d7148c9619e5991dee471084463517c928f5a57d3f97d771cdb5446184b4f87090d253b51f6cc30355c51b2f180f730
- SSDEEP 12288:XSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:ivO2xJKRw2kOkxSkW298B
- TLSH T138F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH