Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 19:10
Behavioral task
behavioral1
Sample
da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe
- Size 1.7MB
- Sample260418-xvszfsey9q
- SHA256 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3
- MD5 39caa5029dbd385ee9ddf9f529ca3351
- SHA1 0779c347984a77e34f3f772dd60df5f57b057d62
- SHA512 6ffa0905c4405e7c4a02f8abaf3d0072f89a31b0de4dd85533d0d791acbcb7e12353b03e27354ab37b564032ddc50dbcb39481e1c44a662108e3fa0c43867bb6
- SSDEEP 24576:xvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:xHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1C2858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2700 bfa04ec - 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 12 114.114.114.114 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Destination IP 13 223.5.5.5 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Destination IP 1 114.114.114.114 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Destination IP 2 223.5.5.5 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bfa04ec File created C:\Windows\SysWOW64\bfa04ec da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bfa04ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bfa04ec -
resource yara_rule behavioral2/memory/4084-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/2700-4-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/files/0x001d00000002b1a2-3.dat upx behavioral2/memory/4084-18-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/2700-19-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/memory/2700-30-0x0000000000690000-0x000000000071C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e3998 bfa04ec File opened for modification C:\Windows\45eb68 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.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 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bfa04ec - 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 bfa04ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bfa04ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bfa04ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bfa04ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bfa04ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bfa04ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bfa04ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bfa04ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bfa04ec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 2700 bfa04ec 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Token: SeTcbPrivilege 4084 da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe Token: SeDebugPrivilege 2700 bfa04ec Token: SeTcbPrivilege 2700 bfa04ec
Processes
-
C:\Users\Admin\AppData\Local\Temp\da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.exe"C:\Users\Admin\AppData\Local\Temp\da484d5794729a013a91c7c60eddb527f6db8665cbf2fcb27fde55926a2813a3.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:4084
-
C:\Windows\Syswow64\bfa04ecC:\Windows\Syswow64\bfa04ec1⤵
- 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:2700
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bfa04ec
- Size 1.7MB
- SHA256 bc9798d3dbbe0a28a3d0e9214f7aa53848eed3e0db5a6708d6c7525a8bd82ff6
- MD5 f0d155c3cda6712569c6aae82b42b53f
- SHA1 d4eb8a98674aa03517c9b2235d419007050ca946
- SHA512 48e882d057f201c402a4e76952edf42b8f9ea1f7775b9acb1d4b0dc26baba7e86236643640e1f03f7914fc8b8e763ac519b7b59c4a3022dcd93f189b7807b7ef
- SSDEEP 24576:WvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:WHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T139858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH