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, 04:39
Behavioral task
behavioral1
Sample
e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe
- Size 2.6MB
- Sample260529-e97r2scy5n
- SHA256 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7
- MD5 38dec74f20380c8dd71873089b1088c3
- SHA1 9d681d443b1e0f08fe645d7146e243a498010029
- SHA512 5111a22798b374e531ad5bdc754008fbe5866c28d90f5dd27c615e3cee3149a273937aeba209d397383e1c429a2705ac620b292089afd7a188457520ce5fe270
- SSDEEP 49152:STGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:SKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T16BC59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1464 f920e08 - 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 14 223.5.5.5 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Destination IP 54 114.114.114.114 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Destination IP 55 223.5.5.5 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Destination IP 1 114.114.114.114 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Destination IP 2 223.5.5.5 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Destination IP 13 114.114.114.114 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f920e08 File created C:\Windows\SysWOW64\f920e08 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f920e08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f920e08 -
resource yara_rule behavioral2/memory/2988-0-0x00000000005E0000-0x0000000000669000-memory.dmp upx behavioral2/files/0x001d00000002b237-2.dat upx behavioral2/memory/1464-4-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/2988-10-0x00000000005E0000-0x0000000000669000-memory.dmp upx behavioral2/memory/1464-12-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/2988-27-0x00000000005E0000-0x0000000000669000-memory.dmp upx behavioral2/memory/1464-28-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/2988-45-0x00000000005E0000-0x0000000000669000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\191070 f920e08 File opened for modification C:\Windows\3327d8 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.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 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f920e08 - 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 f920e08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f920e08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f920e08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f920e08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f920e08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f920e08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f920e08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f920e08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f920e08 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1464 f920e08 1464 f920e08 1464 f920e08 1464 f920e08 1464 f920e08 1464 f920e08 1464 f920e08 1464 f920e08 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Token: SeTcbPrivilege 2988 e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe Token: SeDebugPrivilege 1464 f920e08 Token: SeTcbPrivilege 1464 f920e08
Processes
-
C:\Users\Admin\AppData\Local\Temp\e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.exe"C:\Users\Admin\AppData\Local\Temp\e27ec1d42fd7cb2e2e36c28fea078a615b37eef68733c73e57bc0435c7e9b4a7.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:2988
-
C:\Windows\Syswow64\f920e08C:\Windows\Syswow64\f920e081⤵
- 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:1464
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f920e08
- Size 2.6MB
- SHA256 12ac733ecfb8b1176e273c53b446c40e5d65b1b3d5b9e9bc64c20c3b0c8bdbe1
- MD5 a7c1553c7101d28d1f6fdc276b4abb9c
- SHA1 0652a80e2914c0242c37d3b31f73f90e0b61fcb4
- SHA512 bd2279adc1b6a2357f4e90a9d5b750b7beb18fbedf9060b969f1726895157d546085b271796efeecf98ab0075e6f84bf490899581f93c41982b765964430d1fd
- SSDEEP 49152:STGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:SKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T120C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH