Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/04/2026, 23:01
Behavioral task
behavioral1
Sample
e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe
- Size 560KB
- Sample260417-2zp6ksc19s
- SHA256 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e
- MD5 0f461a8c145a69835edd76b3475fb840
- SHA1 a27d0b907f452f0738838cabc6f4a65c20dd017c
- SHA512 96778a13014005b8225b4c9613cd036adb0a313f3119c3b5e6da22232ab0279758d86c7e5aaca3019d88d77418017113dba752581922ba94dbdde6de588cf7f0
- SSDEEP 6144:+gye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:+I7OE4kopQzNKFyLWDHsOkxHy
- TLSH T19CC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4336 64946ff0 - 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 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Destination IP 6 223.5.5.5 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Destination IP 34 114.114.114.114 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Destination IP 35 223.5.5.5 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.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 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 64946ff0 File created C:\Windows\SysWOW64\64946ff0 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 64946ff0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 64946ff0 -
resource yara_rule behavioral1/memory/4452-0-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral1/files/0x000f000000021658-2.dat upx behavioral1/memory/4336-4-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral1/memory/4452-13-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral1/memory/4336-14-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral1/memory/4336-28-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a3be0 64946ff0 File opened for modification C:\Windows\4c3848 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.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 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 64946ff0 - 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 64946ff0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 64946ff0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 64946ff0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 64946ff0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 64946ff0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 64946ff0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 64946ff0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 64946ff0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 64946ff0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4336 64946ff0 4336 64946ff0 4336 64946ff0 4336 64946ff0 4336 64946ff0 4336 64946ff0 4336 64946ff0 4336 64946ff0 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Token: SeTcbPrivilege 4452 e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe Token: SeDebugPrivilege 4336 64946ff0 Token: SeTcbPrivilege 4336 64946ff0
Processes
-
C:\Users\Admin\AppData\Local\Temp\e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.exe"C:\Users\Admin\AppData\Local\Temp\e6677c1d36aa30cc9a55d06ebf06c00b233e7ef0b60606284d82526e3ab0823e.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:4452
-
C:\Windows\Syswow64\64946ff0C:\Windows\Syswow64\64946ff01⤵
- 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:4336
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\64946ff0
- Size 560KB
- SHA256 bc2422e232ad56fe0e0d55af03b470edc1beea6dd2b3068f1b894adf3c931153
- MD5 d83e4b6ba8ec9cdcafc9b5585cc8b71a
- SHA1 107232ec103be44e64bf778e116b27e84fb8058a
- SHA512 64a2ecc6088d4845f370c27ae3f6efb5d1a89388915978389f1143291f957746e9d6f873da07fbbcbdc76d4dcc9006178234f3767f69a4ab05f07f4922892ab7
- SSDEEP 6144:Vgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:VI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1ACC48C2AB690D076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH