Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 10:25
Behavioral task
behavioral1
Sample
2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe
- Size 2.9MB
- Sample261002-mf1qmswfpc
- SHA256 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592
- MD5 01e01925255d9941ae7b8a819542ff62
- SHA1 a3c2454f07d65cb6a01b96c8c96f4487ce5b7a6a
- SHA512 f52633dbabd10588c386e8a0b965d429c10af0254b2156b32aba9bdd77f5fdbde61df6666f5acbe140ca67be0d4ce5c1215d34a0bcc74695561c896680f87e77
- SSDEEP 49152:4HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:4nKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1BDD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4632 fc6440c3 - Unexpected DNS network traffic destination 29 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 148 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 273 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 404 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 465 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 5 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 94 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 319 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 375 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 522 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 612 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 149 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 523 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 466 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 271 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 1 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 39 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 93 114.114.114.114 4632 fc6440c3 Destination IP 180 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 181 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 234 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 40 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 235 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 318 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 374 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 553 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 373 114.114.114.114 4632 fc6440c3 Destination IP 405 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 611 114.114.114.114 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Destination IP 554 223.5.5.5 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc6440c3 File created C:\Windows\SysWOW64\fc6440c3 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fc6440c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fc6440c3 -
resource yara_rule behavioral2/memory/4636-0-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral2/files/0x000a00000001b873-2.dat upx behavioral2/memory/4632-3-0x0000000000480000-0x000000000050C000-memory.dmp upx behavioral2/memory/4636-18-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral2/memory/4632-19-0x0000000000480000-0x000000000050C000-memory.dmp upx behavioral2/memory/4632-44-0x0000000000480000-0x000000000050C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f4d30 fc6440c3 File opened for modification C:\Windows\4f5eb8 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname fc6440c3 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain fc6440c3 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.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 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc6440c3 - 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\Cookies\CachePrefix = "Cookie:" fc6440c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fc6440c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fc6440c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fc6440c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fc6440c3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fc6440c3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fc6440c3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fc6440c3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fc6440c3 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4632 fc6440c3 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Token: SeTcbPrivilege 4636 2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe Token: SeDebugPrivilege 4632 fc6440c3 Token: SeTcbPrivilege 4632 fc6440c3
Processes
-
C:\Users\Admin\AppData\Local\Temp\2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe"C:\Users\Admin\AppData\Local\Temp\2003a9eb50e9e29c47edf6a89b66a1777ceb37b03cb498f162077741a1848592.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
-
C:\Windows\Syswow64\fc6440c3C:\Windows\Syswow64\fc6440c31⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fc6440c3
- Size 2.9MB
- SHA256 3245ce856f74f14b341c82d1ea060a60feb2d5942c913e645aa9ebc126ba6f2f
- MD5 83ee2c0ba557e0729201a07188a8a8bd
- SHA1 5216fae01702effa8d4511b963af2e54d3e6a483
- SHA512 3976d38f388821b505e6981e5fd38521c34fc917d23c876f35523603805445374573c07a550809f02961491a35f6f612806b904dcb062f33ea5dc7f62f91f180
- SSDEEP 49152:XHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:XnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1D4D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH