Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 16:27
Behavioral task
behavioral1
Sample
17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe
- Size 1.2MB
- Sample260415-tydgdsdy2n
- SHA256 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b
- MD5 ec0ae7407fb24866c1239a7d9cd1638f
- SHA1 3159c6d6cd9a394d8204a116e303be3dcfd782fd
- SHA512 44c4f2ebbb1671a59ea74a079432b053eb902762ae1e059a395ec67438091113c1d3945c0bda9fc1d17aa044e47e58ef3832a9db79f17be1c39301fc82e0674c
- SSDEEP 24576:/vO2xJKRh2kOkx2LFxNhuZ98Es8k3OH3C0rQ6+y:/HHKX2WQthuTtS0rQi
- TLSH T1E3559E31E641C036C4A70176C6B94BBFA578BD22172555CBE3D43A6A2F723D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3208 7f16cc37 - 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 2 223.5.5.5 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Destination IP 8 114.114.114.114 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Destination IP 9 223.5.5.5 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Destination IP 1 114.114.114.114 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7f16cc37 File created C:\Windows\SysWOW64\7f16cc37 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7f16cc37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7f16cc37 -
resource yara_rule behavioral2/memory/1364-0-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/files/0x001d00000002b11b-2.dat upx behavioral2/memory/3208-3-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral2/memory/1364-10-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/memory/3208-11-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral2/memory/3208-31-0x00000000002E0000-0x000000000036C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\36ec10 7f16cc37 File opened for modification C:\Windows\175a28 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.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 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7f16cc37 - 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 7f16cc37 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7f16cc37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7f16cc37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7f16cc37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7f16cc37 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7f16cc37 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7f16cc37 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7f16cc37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7f16cc37 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 3208 7f16cc37 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Token: SeTcbPrivilege 1364 17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe Token: SeDebugPrivilege 3208 7f16cc37 Token: SeTcbPrivilege 3208 7f16cc37
Processes
-
C:\Users\Admin\AppData\Local\Temp\17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.exe"C:\Users\Admin\AppData\Local\Temp\17a0228872894c28c75dfb48a0b743523e31e7257a587f3489a5993635315a4b.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:1364
-
C:\Windows\Syswow64\7f16cc37C:\Windows\Syswow64\7f16cc371⤵
- 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:3208
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7f16cc37
- Size 1.2MB
- SHA256 9c92ac0f8f12c672dbcc70e23bf09e5c5e3a61a82488da453ea83ac41dd9f03f
- MD5 121d4dda1a4f96f2321b59ec321b12c1
- SHA1 18450d65cb3e5b216d0bb040a9c08589b4977b95
- SHA512 6fc85e53af75ada22a7a385d8e09dc252e661421c6c764ccbf05d5da6297bf856ece71cf0e020105943676888bc58812d5f43765d5d44aa932e9184550339263
- SSDEEP 24576:9vO2xJKRh2kOkx2LFxNhuZ98Es8k3OH3C0rQ6+y:9HHKX2WQthuTtS0rQi
- TLSH T189559E31E641C036C4A70176C6B94BBFA578BD22172555CBE3D43A6A2F723D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH