Analysis
- max time kernel
150s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 19:33
Behavioral task
behavioral1
Sample
d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe
- Size 768KB
- Sample260503-x9jpbsgs21
- SHA256 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225
- MD5 36bae426864e4772a3b94ddc22e8c512
- SHA1 40663900fe975ef0d5761cd74ff1e7f986c044f5
- SHA512 d398bdc2fe72e042e7bf3ccd042142cb5420b43da7c2499f62a54fd257f6b921a5b0a2ea462071ce24b8431f6afff21eb7d6d665ecb442e4d041a18e9bb19d65
- SSDEEP 12288:EqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:EjHPOSOkx2LFscU6UQOJdT
- TLSH T1F7F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5096 c3ba2ae8 - 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 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Destination IP 2 223.5.5.5 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Destination IP 5 114.114.114.114 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Destination IP 6 223.5.5.5 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c3ba2ae8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c3ba2ae8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c3ba2ae8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c3ba2ae8 File created C:\Windows\SysWOW64\c3ba2ae8 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe -
resource yara_rule behavioral2/memory/2596-0-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/files/0x001000000002707c-3.dat upx behavioral2/memory/5096-4-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/2596-10-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/5096-12-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/2596-21-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/5096-22-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/2596-33-0x00000000006F0000-0x0000000000779000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\573ed0 c3ba2ae8 File opened for modification C:\Windows\2c71c8 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.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 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c3ba2ae8 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c3ba2ae8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c3ba2ae8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c3ba2ae8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c3ba2ae8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c3ba2ae8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c3ba2ae8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c3ba2ae8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c3ba2ae8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 5096 c3ba2ae8 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Token: SeTcbPrivilege 2596 d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe Token: SeDebugPrivilege 5096 c3ba2ae8 Token: SeTcbPrivilege 5096 c3ba2ae8
Processes
-
C:\Users\Admin\AppData\Local\Temp\d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.exe"C:\Users\Admin\AppData\Local\Temp\d1ad0c1fbb261f0061adce75ab88bf676ba45e3c9c409f7cc33db2864244f225.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:2596
-
C:\Windows\Syswow64\c3ba2ae8C:\Windows\Syswow64\c3ba2ae81⤵
- 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:5096
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c3ba2ae8
- Size 768KB
- SHA256 4cf5298a67da32422454ebd1557bd4e8c64c4eca4d1fbfb964867d67c5de3ab3
- MD5 c35a29151f4340826ac9221b9df263a8
- SHA1 92e8e1893cd124de14fa92ceb182564be78d72ea
- SHA512 8ff2eb0e775bbc861f2f42931e4d6585a56742310a9f7b4610f147cde9cf1d2d837f47d78266a649cf94a63e71195520617e6d935b9d6df7eb3d3b7fc204ef85
- SSDEEP 12288:VqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:VjHPOSOkx2LFscU6UQOJdT
- TLSH T15DF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH