Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/04/2026, 23:21
Behavioral task
behavioral1
Sample
c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe
- Size 761KB
- Sample260420-3chcwsft7q
- SHA256 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b
- MD5 51327598a83baba29222ed47ef67562e
- SHA1 d4cd7faec72dd6400abc91df79987faa1ea79c29
- SHA512 f5f260a5927e2638b546f274c1d09303ba297e1c15b4332562684caec90fb8694d9ed6cfd3ee08d026e4af4da1250b3b2b5cde63270091d18f398a437448cc1f
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:uvO2xJKRw2kOkxSkW298B
- TLSH T15BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3168 18048a52 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 97 223.5.5.5 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Destination IP 3 114.114.114.114 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Destination IP 4 223.5.5.5 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Destination IP 25 114.114.114.114 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Destination IP 26 223.5.5.5 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Destination IP 96 114.114.114.114 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\18048a52 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 18048a52 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 18048a52 -
resource yara_rule behavioral1/memory/4044-0-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral1/files/0x000a0000000241e1-2.dat upx behavioral1/memory/3168-4-0x0000000000FC0000-0x000000000104C000-memory.dmp upx behavioral1/memory/4044-15-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral1/memory/3168-16-0x0000000000FC0000-0x000000000104C000-memory.dmp upx behavioral1/memory/3168-34-0x0000000000FC0000-0x000000000104C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\453c18 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe File opened for modification C:\Windows\363cc0 18048a52 - 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 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 18048a52 - 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 18048a52 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 18048a52 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 18048a52 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 18048a52 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 18048a52 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 18048a52 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 18048a52 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 18048a52 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 18048a52 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3168 18048a52 3168 18048a52 3168 18048a52 3168 18048a52 3168 18048a52 3168 18048a52 3168 18048a52 3168 18048a52 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Token: SeTcbPrivilege 4044 c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe Token: SeDebugPrivilege 3168 18048a52 Token: SeTcbPrivilege 3168 18048a52
Processes
-
C:\Users\Admin\AppData\Local\Temp\c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.exe"C:\Users\Admin\AppData\Local\Temp\c2b9e72cbcefcf3ee5a902b189a54e5afdd2d4fae01d7980413f532aa3dadb1b.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:4044
-
C:\Windows\Syswow64\18048a52C:\Windows\Syswow64\18048a521⤵
- 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:3168
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\18048a52
- Size 761KB
- SHA256 91ec4bc5a84ee78a58c965170a819a9318086d1bcb2853d490765e5f3ad00400
- MD5 863e677c171ee03264969c4b14d78982
- SHA1 264fe05909af5bdb04ec792c7dda34b912cbdeb1
- SHA512 5ae7e0817d5761e884bca12c6dd5e2c352478c75bbb3810d9980b76546d463599bf0e5d05a11aad2258dd6f47c34d70c4668df0e18e6f701ac190cf4a4ec0bb6
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:2vO2xJKRw2kOkxSkW298B
- TLSH T147F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH