Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 22:02
Behavioral task
behavioral1
Sample
512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe
- Size 640KB
- Sample260416-1x5b2sez21
- SHA256 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b
- MD5 b2b0445be330e684b3443f78ebba6753
- SHA1 444e9da7c62c908e71bfeca5b86e626d8209f6bc
- SHA512 19a8135aac328d26ad53fecc3cc40f0d770db2b8b9da8befdcab05695ea0225203feee7c550b430401ad800bc7a5d26942113dab5636e33bc1cc6fbbe359b2d8
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:PSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T139D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1452 e1904d9d - 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 3 223.5.5.5 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 31 114.114.114.114 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 36 223.5.5.5 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 92 114.114.114.114 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 93 223.5.5.5 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 2 114.114.114.114 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e1904d9d File created C:\Windows\SysWOW64\e1904d9d 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e1904d9d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e1904d9d -
resource yara_rule behavioral1/memory/2432-0-0x00000000004D0000-0x000000000055C000-memory.dmp upx behavioral1/files/0x000800000001e6c8-2.dat upx behavioral1/memory/1452-4-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/memory/2432-18-0x00000000004D0000-0x000000000055C000-memory.dmp upx behavioral1/memory/1452-19-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/memory/1452-32-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\18dbd8 e1904d9d File opened for modification C:\Windows\29a300 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.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 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e1904d9d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e1904d9d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e1904d9d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e1904d9d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e1904d9d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e1904d9d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e1904d9d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e1904d9d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e1904d9d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e1904d9d - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 1452 e1904d9d 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Token: SeTcbPrivilege 2432 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Token: SeDebugPrivilege 1452 e1904d9d Token: SeTcbPrivilege 1452 e1904d9d
Processes
-
C:\Users\Admin\AppData\Local\Temp\512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe"C:\Users\Admin\AppData\Local\Temp\512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.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:2432
-
C:\Windows\Syswow64\e1904d9dC:\Windows\Syswow64\e1904d9d1⤵
- 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:1452
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e1904d9d
- Size 640KB
- SHA256 ac99f29d2bc3ea2c848e13e567ddd9889327673aff23a155a31d49a4c234f781
- MD5 933e431a08b65afdb16a60638e1658b5
- SHA1 9929c1975c5e2d287916596efa04d28387b593d1
- SHA512 72857902e4e4e3b224ce9b04eb2fc407e42f3583f9291b3d1d8318e30f0abc231096850177ebe1513d3e7ae8fdc69a21ecc023150b130985dd3ce939370ece82
- SSDEEP 6144:8cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:8SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T19CD45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH