Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 03:49
Behavioral task
behavioral1
Sample
d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe
- Size 2.9MB
- Sample260529-edb1hact2l
- SHA256 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9
- MD5 369ca4bb18ad14821cc599df30e325f8
- SHA1 5ab0ac857c59a7ab3f3eb2cc9b4e8c43132b33fb
- SHA512 86c6c247f00189510a262347ac68a606bbd6e5cb6a5d0a7089f1fb02b422526d9317903000a9e27008a01479f0051c1b98116332f8c4ef453574ae45dcd3d063
- SSDEEP 49152:mHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:mnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T147D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4388 7f96b179 - 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 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Destination IP 2 223.5.5.5 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Destination IP 12 114.114.114.114 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Destination IP 13 223.5.5.5 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7f96b179 File created C:\Windows\SysWOW64\7f96b179 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7f96b179 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7f96b179 -
resource yara_rule behavioral2/memory/1252-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4388-4-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral2/files/0x000600000000d414-3.dat upx behavioral2/memory/1252-18-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4388-19-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral2/memory/4388-30-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b1fc8 7f96b179 File opened for modification C:\Windows\156f48 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.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 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7f96b179 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7f96b179 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7f96b179 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7f96b179 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7f96b179 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7f96b179 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7f96b179 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7f96b179 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7f96b179 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7f96b179 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4388 7f96b179 4388 7f96b179 4388 7f96b179 4388 7f96b179 4388 7f96b179 4388 7f96b179 4388 7f96b179 4388 7f96b179 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Token: SeTcbPrivilege 1252 d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe Token: SeDebugPrivilege 4388 7f96b179 Token: SeTcbPrivilege 4388 7f96b179
Processes
-
C:\Users\Admin\AppData\Local\Temp\d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.exe"C:\Users\Admin\AppData\Local\Temp\d755c167c19a35f53fd0422b57c7ee458ba4ceee6c21447f6b19bc22afd09ea9.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:1252
-
C:\Windows\Syswow64\7f96b179C:\Windows\Syswow64\7f96b1791⤵
- 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:4388
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7f96b179
- Size 2.9MB
- SHA256 9987d4e2b8b136158d084efe9491f137888c9aee885b7dc7c1236aa97a6a60ed
- MD5 e4fab6532f96b7ece1f989ee61b970c2
- SHA1 63197cac94dbf1c6556c0c95f257557024fae787
- SHA512 63f1b5149b69fa14b52993dfe1942cd8368bfb8a5c3bcc088b923fbb28925088ef782aefd86b5f1fba00689b92ef7110ee31047d6583de7c8f75e98c444e39c5
- SSDEEP 49152:WHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:WnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T179D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH