Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/08/2026, 15:54
Behavioral task
behavioral1
Sample
b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe
- Size 576KB
- Sample260822-tca45swdkc
- SHA256 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29
- MD5 daab4776d25f946f2e34b12479b70258
- SHA1 b9892045ec36b7869ba16e6cc760010f642cc3b1
- SHA512 389f1a4d6c99b0c16a9a544776129bcde6abe42d7104719e1f40b0d78a34c15ca2a2dd2ecdb75a34bed7a325ae02188744fe6308d514e6f04f650dc0c16e0787
- SSDEEP 12288:XqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:XjHPOSOkx2LFscUQPK
- TLSH T1F8C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4696 eae8d747 - 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 3 114.114.114.114 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 4 223.5.5.5 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 39 114.114.114.114 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 42 223.5.5.5 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 eae8d747 File created C:\Windows\SysWOW64\eae8d747 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 eae8d747 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE eae8d747 -
resource yara_rule behavioral1/memory/3164-0-0x00000000002D0000-0x0000000000359000-memory.dmp upx behavioral1/files/0x000a0000000243b3-2.dat upx behavioral1/memory/4696-4-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral1/memory/3164-12-0x00000000002D0000-0x0000000000359000-memory.dmp upx behavioral1/memory/4696-15-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral1/memory/3164-24-0x00000000002D0000-0x0000000000359000-memory.dmp upx behavioral1/memory/4696-25-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral1/memory/3164-43-0x00000000002D0000-0x0000000000359000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5065b0 eae8d747 File opened for modification C:\Windows\362b38 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.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 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eae8d747 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" eae8d747 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" eae8d747 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix eae8d747 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" eae8d747 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing eae8d747 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" eae8d747 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" eae8d747 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ eae8d747 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" eae8d747 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 4696 eae8d747 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Token: SeTcbPrivilege 3164 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Token: SeDebugPrivilege 4696 eae8d747 Token: SeTcbPrivilege 4696 eae8d747
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe"C:\Users\Admin\AppData\Local\Temp\b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.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:3164
-
C:\Windows\Syswow64\eae8d747C:\Windows\Syswow64\eae8d7471⤵
- 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:4696
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\5065b0
- Size 506B
- SHA256 2ce5fa0aebb3e1e334e179617679db5b4f926db61e81285d841b44d6b58c5065
- MD5 a3e4b2746a4f8e0455eaf291c50bdf1a
- SHA1 e5dfec4a12bd8a5361612b0e914fc4cb6fd075c4
- SHA512 a77f54d61e57ad3623edd9a67418fc7863eb77e4d172bb4ccfe4a28eba1b993d451a537d5e63ba5af76d82572504296fb3b958febb9d140eecbd1acaac45a644
- TLSH T1B3F0593BAB7BE65009EB7A63B513E84FF435F52EC03F535A6DD6B44186839946D03808
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\eae8d747
- Size 576KB
- SHA256 263d524389f27a76523cbf036bd075627014402bb8ce06d96f605b5ac86af974
- MD5 e53f914ba77cad62cab120d512206c6e
- SHA1 c195ea466762eaeb9d2e17fe45c6b48fc3570992
- SHA512 b5a374bd347b68764b6e9210b9cfba62400dee8bde6968dd7b31ba7ffda8f40b12801fb5823b64adb612d9d1c749262ce643f64496aabbeaaad961d21870278c
- SSDEEP 12288:yqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:yjHPOSOkx2LFscUQPK
- TLSH T196C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH