Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/05/2026, 16:09
Behavioral task
behavioral1
Sample
7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe
- Size 640KB
- Sample260528-tlya2aev5m
- SHA256 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3
- MD5 81f468c1c4fcbbbfbdfe9c41764a1bcb
- SHA1 95c4286d2693a19f5ae3f423326f851d7871f00e
- SHA512 5497409b063d38210f713d599d20daeb5cffd4b24f0b639efc89939c16ae54b0bd9a624916ab739c6d3f567087050ece94c239e419f965b06f62ba4961900886
- SSDEEP 6144:IcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:ISvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1B3D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4592 ca201545 - Unexpected DNS network traffic destination 16 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 71 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 170 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 2 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 4 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 195 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 309 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 372 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 373 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 403 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 127 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 129 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 161 114.114.114.114 4592 ca201545 Destination IP 308 114.114.114.114 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 404 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 72 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Destination IP 196 223.5.5.5 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.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 ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ca201545 File created C:\Windows\SysWOW64\ca201545 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ca201545 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ca201545 -
resource yara_rule behavioral1/memory/4640-0-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/files/0x0006000000009dc3-2.dat upx behavioral1/memory/4592-4-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/4640-16-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/memory/4592-17-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/4592-34-0x0000000000090000-0x000000000011C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e9de0 ca201545 File opened for modification C:\Windows\4f7040 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.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 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca201545 - 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\History\CachePrefix = "Visited:" ca201545 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ca201545 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ca201545 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ca201545 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ca201545 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ca201545 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ca201545 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ca201545 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ca201545 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4592 ca201545 4592 ca201545 4592 ca201545 4592 ca201545 4592 ca201545 4592 ca201545 4592 ca201545 4592 ca201545 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Token: SeTcbPrivilege 4640 7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe Token: SeDebugPrivilege 4592 ca201545 Token: SeTcbPrivilege 4592 ca201545
Processes
-
C:\Users\Admin\AppData\Local\Temp\7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.exe"C:\Users\Admin\AppData\Local\Temp\7a58fca5a09a7246f99de8d843e81f6b4551195a8353127aff42d4ad30abadf3.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:4640
-
C:\Windows\Syswow64\ca201545C:\Windows\Syswow64\ca2015451⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ca201545
- Size 640KB
- SHA256 cf50970589ceb76dee7f8a093b5d1f4e2f29bdb5799116d9219df3ad64014fe0
- MD5 78ace5ee3e4dd20b9dabeb26abfdc29d
- SHA1 5cfc6dde78e69dd883f2dfe55e28a34e9dfda0f5
- SHA512 a7d22e4471688cd39d46b01b03f0b82d043d70978da62457e79082659fa60bbb50535783a2722dd1d5131f2e1dd8b4698ad824139bbe0f646a0aac61ffc0a8b9
- SSDEEP 6144:bcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:bSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T17ED45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH